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50,200
lessthanoptimal/BoofCV
examples/src/main/java/boofcv/examples/imageprocessing/ExampleFourierTransform.java
ExampleFourierTransform.displayTransform
public static void displayTransform( InterleavedF32 transform , String name ) { // declare storage GrayF32 magnitude = new GrayF32(transform.width,transform.height); GrayF32 phase = new GrayF32(transform.width,transform.height); // Make a copy so that you don't modify the input transform = transform.clone()...
java
public static void displayTransform( InterleavedF32 transform , String name ) { // declare storage GrayF32 magnitude = new GrayF32(transform.width,transform.height); GrayF32 phase = new GrayF32(transform.width,transform.height); // Make a copy so that you don't modify the input transform = transform.clone()...
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Display the fourier transform's magnitude and phase.
[ "Display", "the", "fourier", "transform", "s", "magnitude", "and", "phase", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/examples/src/main/java/boofcv/examples/imageprocessing/ExampleFourierTransform.java#L116-L141
50,201
lessthanoptimal/BoofCV
examples/src/main/java/boofcv/examples/stereo/ExampleFundamentalMatrix.java
ExampleFundamentalMatrix.robustFundamental
public static DMatrixRMaj robustFundamental( List<AssociatedPair> matches , List<AssociatedPair> inliers , double inlierThreshold ) { ConfigRansac configRansac = new ConfigRansac(); configRansac.inlierThreshold = inlierThreshold; configRansac.maxIterations = 1000; ConfigFundamental configFundament...
java
public static DMatrixRMaj robustFundamental( List<AssociatedPair> matches , List<AssociatedPair> inliers , double inlierThreshold ) { ConfigRansac configRansac = new ConfigRansac(); configRansac.inlierThreshold = inlierThreshold; configRansac.maxIterations = 1000; ConfigFundamental configFundament...
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Given a set of noisy observations, compute the Fundamental matrix while removing the noise. @param matches List of associated features between the two images @param inliers List of feature pairs that were determined to not be noise. @return The found fundamental matrix.
[ "Given", "a", "set", "of", "noisy", "observations", "compute", "the", "Fundamental", "matrix", "while", "removing", "the", "noise", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/examples/src/main/java/boofcv/examples/stereo/ExampleFundamentalMatrix.java#L74-L107
50,202
lessthanoptimal/BoofCV
examples/src/main/java/boofcv/examples/stereo/ExampleFundamentalMatrix.java
ExampleFundamentalMatrix.simpleFundamental
public static DMatrixRMaj simpleFundamental( List<AssociatedPair> matches ) { // Use the 8-point algorithm since it will work with an arbitrary number of points Estimate1ofEpipolar estimateF = FactoryMultiView.fundamental_1(EnumFundamental.LINEAR_8, 0); DMatrixRMaj F = new DMatrixRMaj(3,3); if( !estimateF.proc...
java
public static DMatrixRMaj simpleFundamental( List<AssociatedPair> matches ) { // Use the 8-point algorithm since it will work with an arbitrary number of points Estimate1ofEpipolar estimateF = FactoryMultiView.fundamental_1(EnumFundamental.LINEAR_8, 0); DMatrixRMaj F = new DMatrixRMaj(3,3); if( !estimateF.proc...
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If the set of associated features are known to be correct, then the fundamental matrix can be computed directly with a lot less code. The down side is that this technique is very sensitive to noise.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/examples/src/main/java/boofcv/examples/stereo/ExampleFundamentalMatrix.java#L114-L125
50,203
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java
QrCodeDecoderBits.applyErrorCorrection
public boolean applyErrorCorrection( QrCode qr) { // System.out.println("decoder ver "+qr.version); // System.out.println("decoder mask "+qr.mask); // System.out.println("decoder error "+qr.error); QrCode.VersionInfo info = QrCode.VERSION_INFO[qr.version]; QrCode.BlockInfo block = info.levels.get(qr.error); ...
java
public boolean applyErrorCorrection( QrCode qr) { // System.out.println("decoder ver "+qr.version); // System.out.println("decoder mask "+qr.mask); // System.out.println("decoder error "+qr.error); QrCode.VersionInfo info = QrCode.VERSION_INFO[qr.version]; QrCode.BlockInfo block = info.levels.get(qr.error); ...
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Reconstruct the data while applying error correction.
[ "Reconstruct", "the", "data", "while", "applying", "error", "correction", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java#L67-L95
50,204
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java
QrCodeDecoderBits.updateModeLogic
private QrCode.Mode updateModeLogic( QrCode.Mode current , QrCode.Mode candidate ) { if( current == candidate ) return current; else if( current == QrCode.Mode.UNKNOWN ) { return candidate; } else { return QrCode.Mode.MIXED; } }
java
private QrCode.Mode updateModeLogic( QrCode.Mode current , QrCode.Mode candidate ) { if( current == candidate ) return current; else if( current == QrCode.Mode.UNKNOWN ) { return candidate; } else { return QrCode.Mode.MIXED; } }
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If only one mode then that mode is used. If more than one mode is used then set to multiple
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java#L188-L197
50,205
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java
QrCodeDecoderBits.checkPaddingBytes
boolean checkPaddingBytes(QrCode qr, int lengthBytes) { boolean a = true; for (int i = lengthBytes; i < qr.corrected.length; i++) { if (a) { if (0b00110111 != (qr.corrected[i] & 0xFF)) return false; } else { if (0b10001000 != (qr.corrected[i] & 0xFF)) { // the pattern starts over at the beg...
java
boolean checkPaddingBytes(QrCode qr, int lengthBytes) { boolean a = true; for (int i = lengthBytes; i < qr.corrected.length; i++) { if (a) { if (0b00110111 != (qr.corrected[i] & 0xFF)) return false; } else { if (0b10001000 != (qr.corrected[i] & 0xFF)) { // the pattern starts over at the beg...
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Makes sure the used bytes have the expected values @param lengthBytes Number of bytes that data should be been written to and not filled with padding.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java#L208-L231
50,206
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java
QrCodeDecoderBits.decodeNumeric
private int decodeNumeric( QrCode qr , PackedBits8 data, int bitLocation ) { int lengthBits = QrCodeEncoder.getLengthBitsNumeric(qr.version); int length = data.read(bitLocation,lengthBits,true); bitLocation += lengthBits; while( length >= 3 ) { if( data.size < bitLocation+10 ) { qr.failureCause = QrCod...
java
private int decodeNumeric( QrCode qr , PackedBits8 data, int bitLocation ) { int lengthBits = QrCodeEncoder.getLengthBitsNumeric(qr.version); int length = data.read(bitLocation,lengthBits,true); bitLocation += lengthBits; while( length >= 3 ) { if( data.size < bitLocation+10 ) { qr.failureCause = QrCod...
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Decodes a numeric message @param qr QR code @param data encoded data @return Location it has read up to in bits
[ "Decodes", "a", "numeric", "message" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java#L240-L287
50,207
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java
QrCodeDecoderBits.decodeAlphanumeric
private int decodeAlphanumeric( QrCode qr , PackedBits8 data, int bitLocation ) { int lengthBits = QrCodeEncoder.getLengthBitsAlphanumeric(qr.version); int length = data.read(bitLocation,lengthBits,true); bitLocation += lengthBits; while( length >= 2 ) { if( data.size < bitLocation+11 ) { qr.failureCau...
java
private int decodeAlphanumeric( QrCode qr , PackedBits8 data, int bitLocation ) { int lengthBits = QrCodeEncoder.getLengthBitsAlphanumeric(qr.version); int length = data.read(bitLocation,lengthBits,true); bitLocation += lengthBits; while( length >= 2 ) { if( data.size < bitLocation+11 ) { qr.failureCau...
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Decodes alphanumeric messages @param qr QR code @param data encoded data @return Location it has read up to in bits
[ "Decodes", "alphanumeric", "messages" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java#L296-L328
50,208
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java
QrCodeDecoderBits.decodeByte
private int decodeByte( QrCode qr , PackedBits8 data, int bitLocation ) { int lengthBits = QrCodeEncoder.getLengthBitsBytes(qr.version); int length = data.read(bitLocation,lengthBits,true); bitLocation += lengthBits; if( length*8 > data.size-bitLocation ) { qr.failureCause = QrCode.Failure.MESSAGE_OVERFLOW...
java
private int decodeByte( QrCode qr , PackedBits8 data, int bitLocation ) { int lengthBits = QrCodeEncoder.getLengthBitsBytes(qr.version); int length = data.read(bitLocation,lengthBits,true); bitLocation += lengthBits; if( length*8 > data.size-bitLocation ) { qr.failureCause = QrCode.Failure.MESSAGE_OVERFLOW...
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Decodes byte messages @param qr QR code @param data encoded data @return Location it has read up to in bits
[ "Decodes", "byte", "messages" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java#L337-L367
50,209
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java
QrCodeDecoderBits.decodeKanji
private int decodeKanji( QrCode qr , PackedBits8 data, int bitLocation ) { int lengthBits = QrCodeEncoder.getLengthBitsKanji(qr.version); int length = data.read(bitLocation,lengthBits,true); bitLocation += lengthBits; byte rawdata[] = new byte[ length*2 ]; for (int i = 0; i < length; i++) { if( data.siz...
java
private int decodeKanji( QrCode qr , PackedBits8 data, int bitLocation ) { int lengthBits = QrCodeEncoder.getLengthBitsKanji(qr.version); int length = data.read(bitLocation,lengthBits,true); bitLocation += lengthBits; byte rawdata[] = new byte[ length*2 ]; for (int i = 0; i < length; i++) { if( data.siz...
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Decodes Kanji messages @param qr QR code @param data encoded data @return Location it has read up to in bits
[ "Decodes", "Kanji", "messages" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodeDecoderBits.java#L376-L414
50,210
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/EllipseClustersIntoHexagonalGrid.java
EllipseClustersIntoHexagonalGrid.selectSeedCorner
NodeInfo selectSeedCorner() { NodeInfo best = null; double bestScore = 0; double minAngle = Math.PI+0.1; for (int i = 0; i < contour.size; i++) { NodeInfo info = contour.get(i); if( info.angleBetween < minAngle ) continue; Edge middleR = selectClosest(info.right,info,true); if( middleR == nul...
java
NodeInfo selectSeedCorner() { NodeInfo best = null; double bestScore = 0; double minAngle = Math.PI+0.1; for (int i = 0; i < contour.size; i++) { NodeInfo info = contour.get(i); if( info.angleBetween < minAngle ) continue; Edge middleR = selectClosest(info.right,info,true); if( middleR == nul...
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Pick a corner but avoid the pointy edges at the other end
[ "Pick", "a", "corner", "but", "avoid", "the", "pointy", "edges", "at", "the", "other", "end" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/EllipseClustersIntoHexagonalGrid.java#L148-L186
50,211
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/EllipseClustersIntoHexagonalGrid.java
EllipseClustersIntoHexagonalGrid.bottomTwoColumns
static void bottomTwoColumns(NodeInfo first, NodeInfo second, List<NodeInfo> column0, List<NodeInfo> column1) { column0.add(first); column0.add(second); NodeInfo a = selectClosestN(first,second); if( a == null ) { return; } a.marked = true; column1.add(a); NodeInfo b = second; while( true ) { ...
java
static void bottomTwoColumns(NodeInfo first, NodeInfo second, List<NodeInfo> column0, List<NodeInfo> column1) { column0.add(first); column0.add(second); NodeInfo a = selectClosestN(first,second); if( a == null ) { return; } a.marked = true; column1.add(a); NodeInfo b = second; while( true ) { ...
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Traverses along the first two columns and sets them up
[ "Traverses", "along", "the", "first", "two", "columns", "and", "sets", "them", "up" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/EllipseClustersIntoHexagonalGrid.java#L228-L253
50,212
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/EllipseClustersIntoHexagonalGrid.java
EllipseClustersIntoHexagonalGrid.selectClosest
static Edge selectClosest( NodeInfo a , NodeInfo b , boolean checkSide ) { double bestScore = Double.MAX_VALUE; Edge bestEdgeA = null; Edge edgeAB = a.findEdge(b); double distAB = a.distance(b); if( edgeAB == null ) { return null;// TODO BUG! FIX! } for (int i = 0; i < a.edges.size; i++) { Edge ...
java
static Edge selectClosest( NodeInfo a , NodeInfo b , boolean checkSide ) { double bestScore = Double.MAX_VALUE; Edge bestEdgeA = null; Edge edgeAB = a.findEdge(b); double distAB = a.distance(b); if( edgeAB == null ) { return null;// TODO BUG! FIX! } for (int i = 0; i < a.edges.size; i++) { Edge ...
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Finds the closest that is the same distance from the two nodes and part of an approximate equilateral triangle
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/EllipseClustersIntoHexagonalGrid.java#L258-L314
50,213
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/EllipseClustersIntoHexagonalGrid.java
EllipseClustersIntoHexagonalGrid.selectClosestSide
static NodeInfo selectClosestSide( NodeInfo a , NodeInfo b ) { double ratio = 1.7321; NodeInfo best = null; double bestDistance = Double.MAX_VALUE; Edge bestEdgeA = null; Edge bestEdgeB = null; for (int i = 0; i < a.edges.size; i++) { NodeInfo aa = a.edges.get(i).target; if( aa.marked ) continue; ...
java
static NodeInfo selectClosestSide( NodeInfo a , NodeInfo b ) { double ratio = 1.7321; NodeInfo best = null; double bestDistance = Double.MAX_VALUE; Edge bestEdgeA = null; Edge bestEdgeB = null; for (int i = 0; i < a.edges.size; i++) { NodeInfo aa = a.edges.get(i).target; if( aa.marked ) continue; ...
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Selects the closest node with the assumption that it's along the side of the grid.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/EllipseClustersIntoHexagonalGrid.java#L327-L388
50,214
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/color/ColorYuv.java
ColorYuv.rgbToYuv
public static void rgbToYuv( double r , double g , double b , double yuv[] ) { double y = yuv[0] = 0.299*r + 0.587*g + 0.114*b; yuv[1] = 0.492*(b-y); yuv[2] = 0.877*(r-y); }
java
public static void rgbToYuv( double r , double g , double b , double yuv[] ) { double y = yuv[0] = 0.299*r + 0.587*g + 0.114*b; yuv[1] = 0.492*(b-y); yuv[2] = 0.877*(r-y); }
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Conversion from RGB to YUV using same equations as Intel IPP.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/color/ColorYuv.java#L64-L68
50,215
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/color/ColorYuv.java
ColorYuv.yuvToRgb
public static void yuvToRgb( double y , double u , double v , double rgb[] ) { rgb[0] = y + 1.13983*v; rgb[1] = y - 0.39465*u - 0.58060*v; rgb[2] = y + 2.032*u; }
java
public static void yuvToRgb( double y , double u , double v , double rgb[] ) { rgb[0] = y + 1.13983*v; rgb[1] = y - 0.39465*u - 0.58060*v; rgb[2] = y + 2.032*u; }
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Conversion from YUV to RGB using same equations as Intel IPP.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/color/ColorYuv.java#L82-L86
50,216
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalLinearPoint7.java
TrifocalLinearPoint7.process
public boolean process( List<AssociatedTriple> observations , TrifocalTensor solution ) { if( observations.size() < 7 ) throw new IllegalArgumentException( "At least 7 correspondences must be provided. Found "+observations.size()); // compute normalization to reduce numerical errors LowLevelMultiViewOps...
java
public boolean process( List<AssociatedTriple> observations , TrifocalTensor solution ) { if( observations.size() < 7 ) throw new IllegalArgumentException( "At least 7 correspondences must be provided. Found "+observations.size()); // compute normalization to reduce numerical errors LowLevelMultiViewOps...
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Estimates the trifocal tensor given the set of observations @param observations Set of observations @param solution Output: Where the solution is written to @return true if successful and false if it fails
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalLinearPoint7.java#L97-L122
50,217
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalLinearPoint7.java
TrifocalLinearPoint7.createLinearSystem
protected void createLinearSystem( List<AssociatedTriple> observations ) { int N = observations.size(); A.reshape(4*N,27); A.zero(); for( int i = 0; i < N; i++ ) { AssociatedTriple t = observations.get(i); N1.apply(t.p1,p1_norm); N2.apply(t.p2,p2_norm); N3.apply(t.p3,p3_norm); insert(i,0 , p1...
java
protected void createLinearSystem( List<AssociatedTriple> observations ) { int N = observations.size(); A.reshape(4*N,27); A.zero(); for( int i = 0; i < N; i++ ) { AssociatedTriple t = observations.get(i); N1.apply(t.p1,p1_norm); N2.apply(t.p2,p2_norm); N3.apply(t.p3,p3_norm); insert(i,0 , p1...
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Constructs the linear matrix that describes from the 3-point constraint with linear dependent rows removed
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalLinearPoint7.java#L128-L145
50,218
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalLinearPoint7.java
TrifocalLinearPoint7.solveLinearSystem
protected boolean solveLinearSystem() { if( !svdNull.decompose(A) ) return false; SingularOps_DDRM.nullVector(svdNull,true,vectorizedSolution); solutionN.convertFrom(vectorizedSolution); return true; }
java
protected boolean solveLinearSystem() { if( !svdNull.decompose(A) ) return false; SingularOps_DDRM.nullVector(svdNull,true,vectorizedSolution); solutionN.convertFrom(vectorizedSolution); return true; }
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Computes the null space of the linear system to find the trifocal tensor
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalLinearPoint7.java#L190-L199
50,219
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalLinearPoint7.java
TrifocalLinearPoint7.removeNormalization
protected void removeNormalization( TrifocalTensor solution ) { DMatrixRMaj N2_inv = N2.matrixInv(); DMatrixRMaj N3_inv = N3.matrixInv(); DMatrixRMaj N1 = this.N1.matrix(); for( int i = 0; i < 3; i++ ) { DMatrixRMaj T = solution.getT(i); for( int j = 0; j < 3; j++ ) { for( int k = 0; k < 3; k++ ) { ...
java
protected void removeNormalization( TrifocalTensor solution ) { DMatrixRMaj N2_inv = N2.matrixInv(); DMatrixRMaj N3_inv = N3.matrixInv(); DMatrixRMaj N1 = this.N1.matrix(); for( int i = 0; i < 3; i++ ) { DMatrixRMaj T = solution.getT(i); for( int j = 0; j < 3; j++ ) { for( int k = 0; k < 3; k++ ) { ...
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Translates the trifocal tensor back into regular coordinate system
[ "Translates", "the", "trifocal", "tensor", "back", "into", "regular", "coordinate", "system" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalLinearPoint7.java#L204-L232
50,220
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/shapes/edge/ScoreLineSegmentEdge.java
ScoreLineSegmentEdge.computeAverageDerivative
public double computeAverageDerivative(Point2D_F64 a, Point2D_F64 b, double tanX, double tanY) { samplesInside = 0; averageUp = averageDown = 0; for (int i = 0; i < numSamples; i++) { double x = (b.x-a.x)*i/(numSamples-1) + a.x; double y = (b.y-a.y)*i/(numSamples-1) + a.y; double x0 = x+tanX; double...
java
public double computeAverageDerivative(Point2D_F64 a, Point2D_F64 b, double tanX, double tanY) { samplesInside = 0; averageUp = averageDown = 0; for (int i = 0; i < numSamples; i++) { double x = (b.x-a.x)*i/(numSamples-1) + a.x; double y = (b.y-a.y)*i/(numSamples-1) + a.y; double x0 = x+tanX; double...
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Returns average tangential derivative along the line segment. Derivative is computed in direction of tangent. A positive step in the tangent direction will have a positive value. If all samples go outside the image then zero is returned. @param a start point @param b end point @param tanX unit tangent x-axis. dete...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/shapes/edge/ScoreLineSegmentEdge.java#L75-L110
50,221
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/color/ColorXyz.java
ColorXyz.rgbToXyz
public static void rgbToXyz( int r , int g , int b , double xyz[] ) { srgbToXyz(r/255.0,g/255.0,b/255.0,xyz); }
java
public static void rgbToXyz( int r , int g , int b , double xyz[] ) { srgbToXyz(r/255.0,g/255.0,b/255.0,xyz); }
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Conversion from 8-bit RGB into XYZ. 8-bit = range of 0 to 255.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/color/ColorXyz.java#L56-L58
50,222
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/d3/VisOdomMonoOverheadMotion2D.java
VisOdomMonoOverheadMotion2D.configureCamera
public void configureCamera(CameraPinholeBrown intrinsic , Se3_F64 planeToCamera ) { this.planeToCamera = planeToCamera; if( !selectOverhead.process(intrinsic,planeToCamera) ) throw new IllegalArgumentException("Can't find a reasonable overhead map. Can the camera view the plane?"); overhead.centerX...
java
public void configureCamera(CameraPinholeBrown intrinsic , Se3_F64 planeToCamera ) { this.planeToCamera = planeToCamera; if( !selectOverhead.process(intrinsic,planeToCamera) ) throw new IllegalArgumentException("Can't find a reasonable overhead map. Can the camera view the plane?"); overhead.centerX...
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Camera the camera's intrinsic and extrinsic parameters. Can be called at any time. @param intrinsic Intrinsic camera parameters @param planeToCamera Transform from the plane to camera.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/d3/VisOdomMonoOverheadMotion2D.java#L105-L125
50,223
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/d3/VisOdomMonoOverheadMotion2D.java
VisOdomMonoOverheadMotion2D.getWorldToCurr3D
public Se3_F64 getWorldToCurr3D() { // 2D to 3D coordinates worldToCurr3D.getT().set(-worldToCurr2D.T.y,0,worldToCurr2D.T.x); DMatrixRMaj R = worldToCurr3D.getR(); // set rotation around Y axis. // Transpose the 2D transform since the rotation are pointing in opposite directions R.unsafe_set(0, 0, worldToC...
java
public Se3_F64 getWorldToCurr3D() { // 2D to 3D coordinates worldToCurr3D.getT().set(-worldToCurr2D.T.y,0,worldToCurr2D.T.x); DMatrixRMaj R = worldToCurr3D.getR(); // set rotation around Y axis. // Transpose the 2D transform since the rotation are pointing in opposite directions R.unsafe_set(0, 0, worldToC...
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3D motion. @return from world to current frame.
[ "3D", "motion", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/d3/VisOdomMonoOverheadMotion2D.java#L172-L188
50,224
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetector.java
BinaryEllipseDetector.process
public void process(T gray, GrayU8 binary) { results.reset(); ellipseDetector.process(binary); if( ellipseRefiner != null) ellipseRefiner.setImage(gray); intensityCheck.setImage(gray); List<BinaryEllipseDetectorPixel.Found> found = ellipseDetector.getFound(); for( BinaryEllipseDetectorPixel.Found f : ...
java
public void process(T gray, GrayU8 binary) { results.reset(); ellipseDetector.process(binary); if( ellipseRefiner != null) ellipseRefiner.setImage(gray); intensityCheck.setImage(gray); List<BinaryEllipseDetectorPixel.Found> found = ellipseDetector.getFound(); for( BinaryEllipseDetectorPixel.Found f : ...
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Detects ellipses inside the binary image and refines the edges for all detections inside the gray image @param gray Grayscale image @param binary Binary image of grayscale. 1 = ellipse and 0 = ignored background
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetector.java#L100-L136
50,225
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetector.java
BinaryEllipseDetector.refine
public boolean refine( EllipseRotated_F64 ellipse ) { if( autoRefine ) throw new IllegalArgumentException("Autorefine is true, no need to refine again"); if( ellipseRefiner == null ) throw new IllegalArgumentException("Refiner has not been passed in"); if (!ellipseRefiner.process(ellipse,ellipse)) { retu...
java
public boolean refine( EllipseRotated_F64 ellipse ) { if( autoRefine ) throw new IllegalArgumentException("Autorefine is true, no need to refine again"); if( ellipseRefiner == null ) throw new IllegalArgumentException("Refiner has not been passed in"); if (!ellipseRefiner.process(ellipse,ellipse)) { retu...
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If auto refine is turned off an ellipse can be refined after the fact using this function, provided that the refinement algorithm was passed in to the constructor @param ellipse The ellipse to be refined @return true if refine was successful or false if not
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetector.java#L144-L154
50,226
lessthanoptimal/BoofCV
integration/boofcv-android/src/main/java/boofcv/android/VisualizeImageData.java
VisualizeImageData.colorizeSign
public static void colorizeSign( GrayF32 input , float maxAbsValue , Bitmap output , byte[] storage ) { shapeShape(input, output); if( storage == null ) storage = declareStorage(output,null); if( maxAbsValue < 0 ) maxAbsValue = ImageStatistics.maxAbs(input); int indexDst = 0; for( int y = 0; y < inp...
java
public static void colorizeSign( GrayF32 input , float maxAbsValue , Bitmap output , byte[] storage ) { shapeShape(input, output); if( storage == null ) storage = declareStorage(output,null); if( maxAbsValue < 0 ) maxAbsValue = ImageStatistics.maxAbs(input); int indexDst = 0; for( int y = 0; y < inp...
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Renders positive and negative values as two different colors. @param input (Input) Image with positive and negative values. @param maxAbsValue The largest absolute value of any pixel in the image. Set to < 0 if not known. @param output (Output) Bitmap ARGB_8888 image. @param storage Optional working buffer for Bitma...
[ "Renders", "positive", "and", "negative", "values", "as", "two", "different", "colors", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-android/src/main/java/boofcv/android/VisualizeImageData.java#L137-L166
50,227
lessthanoptimal/BoofCV
integration/boofcv-android/src/main/java/boofcv/android/VisualizeImageData.java
VisualizeImageData.grayMagnitude
public static void grayMagnitude(GrayS32 input , int maxAbsValue , Bitmap output , byte[] storage) { shapeShape(input, output); if( storage == null ) storage = declareStorage(output,null); if( maxAbsValue < 0 ) maxAbsValue = ImageStatistics.maxAbs(input); int indexDst = 0; for( int y = 0; y < input....
java
public static void grayMagnitude(GrayS32 input , int maxAbsValue , Bitmap output , byte[] storage) { shapeShape(input, output); if( storage == null ) storage = declareStorage(output,null); if( maxAbsValue < 0 ) maxAbsValue = ImageStatistics.maxAbs(input); int indexDst = 0; for( int y = 0; y < input....
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Renders the image using its gray magnitude @param input (Input) Image image @param maxAbsValue (Input) Largest absolute value of a pixel in the image @param output (Output) Bitmap ARGB_8888 image. @param storage Optional working buffer for Bitmap image.
[ "Renders", "the", "image", "using", "its", "gray", "magnitude" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-android/src/main/java/boofcv/android/VisualizeImageData.java#L176-L199
50,228
lessthanoptimal/BoofCV
integration/boofcv-android/src/main/java/boofcv/android/VisualizeImageData.java
VisualizeImageData.disparity
public static void disparity( GrayI disparity, int minValue, int maxValue, int invalidColor, Bitmap output , byte[] storage ) { shapeShape(disparity, output); if( storage == null ) storage = declareStorage(output,null); int range = maxValue - minValue; int indexDst = 0; for (int y = 0; y < di...
java
public static void disparity( GrayI disparity, int minValue, int maxValue, int invalidColor, Bitmap output , byte[] storage ) { shapeShape(disparity, output); if( storage == null ) storage = declareStorage(output,null); int range = maxValue - minValue; int indexDst = 0; for (int y = 0; y < di...
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Colorizes a disparity image. @param disparity (Input) disparity image. @param minValue Minimum possible disparity @param maxValue Maximum possible disparity @param invalidColor RGB value of an invalid pixel @param output (Output) Bitmap ARGB_8888 image. @param storage Optional working buffer for Bitmap image. Can be n...
[ "Colorizes", "a", "disparity", "image", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-android/src/main/java/boofcv/android/VisualizeImageData.java#L362-L400
50,229
lessthanoptimal/BoofCV
integration/boofcv-android/src/main/java/boofcv/android/VisualizeImageData.java
VisualizeImageData.drawEdgeContours
public static void drawEdgeContours( List<EdgeContour> contours , int color , Bitmap output , byte[] storage ) { if( output.getConfig() != Bitmap.Config.ARGB_8888 ) throw new IllegalArgumentException("Only ARGB_8888 is supported"); if( storage == null ) storage = declareStorage(output,null); else Arrays...
java
public static void drawEdgeContours( List<EdgeContour> contours , int color , Bitmap output , byte[] storage ) { if( output.getConfig() != Bitmap.Config.ARGB_8888 ) throw new IllegalArgumentException("Only ARGB_8888 is supported"); if( storage == null ) storage = declareStorage(output,null); else Arrays...
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Draws each contour using a single color. @param contours List of edge contours @param color The RGB color that each edge pixel should be drawn @param output Where the output is written to @param storage Optional working buffer for Bitmap image. Can be null.
[ "Draws", "each", "contour", "using", "a", "single", "color", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-android/src/main/java/boofcv/android/VisualizeImageData.java#L501-L535
50,230
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/deepboof/ClipAndReduce.java
ClipAndReduce.massage
public void massage( T input , T output ) { if( clip ) { T inputAdjusted = clipInput(input, output); // configure a simple change in scale for both axises transform.a11 = input.width / (float) output.width; transform.a22 = input.height / (float) output.height; // this change is automatically reflected...
java
public void massage( T input , T output ) { if( clip ) { T inputAdjusted = clipInput(input, output); // configure a simple change in scale for both axises transform.a11 = input.width / (float) output.width; transform.a22 = input.height / (float) output.height; // this change is automatically reflected...
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Clipps and scales the input iamge as neccisary @param input Input image. Typically larger than output @param output Output image
[ "Clipps", "and", "scales", "the", "input", "iamge", "as", "neccisary" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/deepboof/ClipAndReduce.java#L71-L89
50,231
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/deepboof/ClipAndReduce.java
ClipAndReduce.clipInput
T clipInput(T input, T output) { double ratioInput = input.width/(double)input.height; double ratioOutput = output.width/(double)output.height; T a = input; if( ratioInput > ratioOutput ) { // clip the width int width = input.height*output.width/output.height; int x0 = (input.width-width)/2; int x1 =...
java
T clipInput(T input, T output) { double ratioInput = input.width/(double)input.height; double ratioOutput = output.width/(double)output.height; T a = input; if( ratioInput > ratioOutput ) { // clip the width int width = input.height*output.width/output.height; int x0 = (input.width-width)/2; int x1 =...
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Clip the input image to ensure a constant aspect ratio
[ "Clip", "the", "input", "image", "to", "ensure", "a", "constant", "aspect", "ratio" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/deepboof/ClipAndReduce.java#L94-L117
50,232
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/transform/fft/DiscreteFourierTransformOps.java
DiscreteFourierTransformOps.nextPow2
public static int nextPow2(int x) { if (x < 1) throw new IllegalArgumentException("x must be greater or equal 1"); if ((x & (x - 1)) == 0) { if( x == 1 ) return 2; return x; // x is already a power-of-two number } x |= (x >>> 1); x |= (x >>> 2); x |= (x >>> 4); x |= (x >>> 8); x |= (x >>> 1...
java
public static int nextPow2(int x) { if (x < 1) throw new IllegalArgumentException("x must be greater or equal 1"); if ((x & (x - 1)) == 0) { if( x == 1 ) return 2; return x; // x is already a power-of-two number } x |= (x >>> 1); x |= (x >>> 2); x |= (x >>> 4); x |= (x >>> 8); x |= (x >>> 1...
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Returns the closest power-of-two number greater than or equal to x. @param x @return the closest power-of-two number greater than or equal to x
[ "Returns", "the", "closest", "power", "-", "of", "-", "two", "number", "greater", "than", "or", "equal", "to", "x", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/transform/fft/DiscreteFourierTransformOps.java#L74-L89
50,233
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/transform/fft/DiscreteFourierTransformOps.java
DiscreteFourierTransformOps.checkImageArguments
public static void checkImageArguments( ImageBase image , ImageInterleaved transform ) { InputSanityCheck.checkSameShape(image,transform); if( 2 != transform.getNumBands() ) throw new IllegalArgumentException("The transform must have two bands"); }
java
public static void checkImageArguments( ImageBase image , ImageInterleaved transform ) { InputSanityCheck.checkSameShape(image,transform); if( 2 != transform.getNumBands() ) throw new IllegalArgumentException("The transform must have two bands"); }
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Checks to see if the image and its transform are appropriate sizes . The transform should have twice the width and twice the height as the image. @param image Storage for an image @param transform Storage for a Fourier Transform
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/transform/fft/DiscreteFourierTransformOps.java#L98-L102
50,234
lessthanoptimal/BoofCV
examples/src/main/java/boofcv/examples/stereo/ExampleStereoTwoViewsOneCamera.java
ExampleStereoTwoViewsOneCamera.estimateCameraMotion
public static Se3_F64 estimateCameraMotion(CameraPinholeBrown intrinsic, List<AssociatedPair> matchedNorm, List<AssociatedPair> inliers) { ModelMatcherMultiview<Se3_F64, AssociatedPair> epipolarMotion = FactoryMultiViewRobust.baselineRansac(new ConfigEssential(),new ConfigRansac(200,0.5)); epipol...
java
public static Se3_F64 estimateCameraMotion(CameraPinholeBrown intrinsic, List<AssociatedPair> matchedNorm, List<AssociatedPair> inliers) { ModelMatcherMultiview<Se3_F64, AssociatedPair> epipolarMotion = FactoryMultiViewRobust.baselineRansac(new ConfigEssential(),new ConfigRansac(200,0.5)); epipol...
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Estimates the camera motion robustly using RANSAC and a set of associated points. @param intrinsic Intrinsic camera parameters @param matchedNorm set of matched point features in normalized image coordinates @param inliers OUTPUT: Set of inlier features from RANSAC @return Found camera motion. Note translation ...
[ "Estimates", "the", "camera", "motion", "robustly", "using", "RANSAC", "and", "a", "set", "of", "associated", "points", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/examples/src/main/java/boofcv/examples/stereo/ExampleStereoTwoViewsOneCamera.java#L155-L170
50,235
lessthanoptimal/BoofCV
examples/src/main/java/boofcv/examples/stereo/ExampleStereoTwoViewsOneCamera.java
ExampleStereoTwoViewsOneCamera.convertToNormalizedCoordinates
public static List<AssociatedPair> convertToNormalizedCoordinates(List<AssociatedPair> matchedFeatures, CameraPinholeBrown intrinsic) { Point2Transform2_F64 p_to_n = LensDistortionFactory.narrow(intrinsic).undistort_F64(true, false); List<AssociatedPair> calibratedFeatures = new ArrayList<>(); for (AssociatedP...
java
public static List<AssociatedPair> convertToNormalizedCoordinates(List<AssociatedPair> matchedFeatures, CameraPinholeBrown intrinsic) { Point2Transform2_F64 p_to_n = LensDistortionFactory.narrow(intrinsic).undistort_F64(true, false); List<AssociatedPair> calibratedFeatures = new ArrayList<>(); for (AssociatedP...
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Convert a set of associated point features from pixel coordinates into normalized image coordinates.
[ "Convert", "a", "set", "of", "associated", "point", "features", "from", "pixel", "coordinates", "into", "normalized", "image", "coordinates", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/examples/src/main/java/boofcv/examples/stereo/ExampleStereoTwoViewsOneCamera.java#L175-L191
50,236
lessthanoptimal/BoofCV
examples/src/main/java/boofcv/examples/stereo/ExampleStereoTwoViewsOneCamera.java
ExampleStereoTwoViewsOneCamera.rectifyImages
public static <T extends ImageBase<T>> void rectifyImages(T distortedLeft, T distortedRight, Se3_F64 leftToRight, CameraPinholeBrown intrinsicLeft, CameraPinholeBrown intrinsicRight, T rectifiedLeft, T rectifiedRight, GrayU8 rectifiedMask, DMatrixRMaj rec...
java
public static <T extends ImageBase<T>> void rectifyImages(T distortedLeft, T distortedRight, Se3_F64 leftToRight, CameraPinholeBrown intrinsicLeft, CameraPinholeBrown intrinsicRight, T rectifiedLeft, T rectifiedRight, GrayU8 rectifiedMask, DMatrixRMaj rec...
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Remove lens distortion and rectify stereo images @param distortedLeft Input distorted image from left camera. @param distortedRight Input distorted image from right camera. @param leftToRight Camera motion from left to right @param intrinsicLeft Intrinsic camera parameters @param rectifiedLeft Output rectified i...
[ "Remove", "lens", "distortion", "and", "rectify", "stereo", "images" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/examples/src/main/java/boofcv/examples/stereo/ExampleStereoTwoViewsOneCamera.java#L205-L250
50,237
lessthanoptimal/BoofCV
examples/src/main/java/boofcv/examples/stereo/ExampleStereoTwoViewsOneCamera.java
ExampleStereoTwoViewsOneCamera.drawInliers
public static void drawInliers(BufferedImage left, BufferedImage right, CameraPinholeBrown intrinsic, List<AssociatedPair> normalized) { Point2Transform2_F64 n_to_p = LensDistortionFactory.narrow(intrinsic).distort_F64(false,true); List<AssociatedPair> pixels = new ArrayList<>(); for (AssociatedPair ...
java
public static void drawInliers(BufferedImage left, BufferedImage right, CameraPinholeBrown intrinsic, List<AssociatedPair> normalized) { Point2Transform2_F64 n_to_p = LensDistortionFactory.narrow(intrinsic).distort_F64(false,true); List<AssociatedPair> pixels = new ArrayList<>(); for (AssociatedPair ...
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Draw inliers for debugging purposes. Need to convert from normalized to pixel coordinates.
[ "Draw", "inliers", "for", "debugging", "purposes", ".", "Need", "to", "convert", "from", "normalized", "to", "pixel", "coordinates", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/examples/src/main/java/boofcv/examples/stereo/ExampleStereoTwoViewsOneCamera.java#L255-L276
50,238
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/descriptor/DescriptorDistance.java
DescriptorDistance.euclideanSq
public static double euclideanSq(TupleDesc_F64 a, TupleDesc_F64 b) { final int N = a.value.length; double total = 0; for( int i = 0; i < N; i++ ) { double d = a.value[i]-b.value[i]; total += d*d; } return total; }
java
public static double euclideanSq(TupleDesc_F64 a, TupleDesc_F64 b) { final int N = a.value.length; double total = 0; for( int i = 0; i < N; i++ ) { double d = a.value[i]-b.value[i]; total += d*d; } return total; }
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Returns the Euclidean distance squared between the two descriptors. @param a First descriptor @param b Second descriptor @return Euclidean distance squared
[ "Returns", "the", "Euclidean", "distance", "squared", "between", "the", "two", "descriptors", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/descriptor/DescriptorDistance.java#L55-L64
50,239
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/flow/HornSchunckPyramid.java
HornSchunckPyramid.iterationSorSafe
private float iterationSorSafe(GrayF32 image1, int x, int y, int pixelIndex) { float w = SOR_RELAXATION; float uf; float vf; float ui = initFlowX.data[pixelIndex]; float vi = initFlowY.data[pixelIndex]; float u = flowX.data[pixelIndex]; float v = flowY.data[pixelIndex]; float I1 = image1.data[pixelIn...
java
private float iterationSorSafe(GrayF32 image1, int x, int y, int pixelIndex) { float w = SOR_RELAXATION; float uf; float vf; float ui = initFlowX.data[pixelIndex]; float vi = initFlowY.data[pixelIndex]; float u = flowX.data[pixelIndex]; float v = flowY.data[pixelIndex]; float I1 = image1.data[pixelIn...
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SOR iteration for border pixels
[ "SOR", "iteration", "for", "border", "pixels" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/flow/HornSchunckPyramid.java#L295-L319
50,240
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/flow/HornSchunckPyramid.java
HornSchunckPyramid.A_safe
protected static float A_safe( int x , int y , GrayF32 flow ) { float u0 = safe(x-1,y ,flow); float u1 = safe(x+1,y ,flow); float u2 = safe(x ,y-1,flow); float u3 = safe(x ,y+1,flow); float u4 = safe(x-1,y-1,flow); float u5 = safe(x+1,y-1,flow); float u6 = safe(x-1,y+1,flow); float u7 = safe(x+1,y+...
java
protected static float A_safe( int x , int y , GrayF32 flow ) { float u0 = safe(x-1,y ,flow); float u1 = safe(x+1,y ,flow); float u2 = safe(x ,y-1,flow); float u3 = safe(x ,y+1,flow); float u4 = safe(x-1,y-1,flow); float u5 = safe(x+1,y-1,flow); float u6 = safe(x-1,y+1,flow); float u7 = safe(x+1,y+...
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See equation 25. Safe version
[ "See", "equation", "25", ".", "Safe", "version" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/flow/HornSchunckPyramid.java#L324-L336
50,241
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/flow/HornSchunckPyramid.java
HornSchunckPyramid.A
protected static float A( int x , int y , GrayF32 flow ) { int index = flow.getIndex(x,y); float u0 = flow.data[index-1]; float u1 = flow.data[index+1]; float u2 = flow.data[index-flow.stride]; float u3 = flow.data[index+flow.stride]; float u4 = flow.data[index-1-flow.stride]; float u5 = flow.data[index...
java
protected static float A( int x , int y , GrayF32 flow ) { int index = flow.getIndex(x,y); float u0 = flow.data[index-1]; float u1 = flow.data[index+1]; float u2 = flow.data[index-flow.stride]; float u3 = flow.data[index+flow.stride]; float u4 = flow.data[index-1-flow.stride]; float u5 = flow.data[index...
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See equation 25. Fast unsafe version
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/flow/HornSchunckPyramid.java#L341-L355
50,242
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/flow/HornSchunckPyramid.java
HornSchunckPyramid.safe
protected static float safe( int x , int y , GrayF32 image ) { if( x < 0 ) x = 0; else if( x >= image.width ) x = image.width-1; if( y < 0 ) y = 0; else if( y >= image.height ) y = image.height-1; return image.unsafe_get(x,y); }
java
protected static float safe( int x , int y , GrayF32 image ) { if( x < 0 ) x = 0; else if( x >= image.width ) x = image.width-1; if( y < 0 ) y = 0; else if( y >= image.height ) y = image.height-1; return image.unsafe_get(x,y); }
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Ensures pixel values are inside the image. If output it is assigned to the nearest pixel inside the image
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/flow/HornSchunckPyramid.java#L360-L367
50,243
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/feature/detect/peak/MeanShiftPeak.java
MeanShiftPeak.search
public void search( float cx , float cy ) { peakX = cx; peakY = cy; setRegion(cx, cy); for( int i = 0; i < maxIterations; i++ ) { float total = 0; float sumX = 0, sumY = 0; int kernelIndex = 0; // see if it can use fast interpolation otherwise use the safer technique if( interpolate.isInFastBou...
java
public void search( float cx , float cy ) { peakX = cx; peakY = cy; setRegion(cx, cy); for( int i = 0; i < maxIterations; i++ ) { float total = 0; float sumX = 0, sumY = 0; int kernelIndex = 0; // see if it can use fast interpolation otherwise use the safer technique if( interpolate.isInFastBou...
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Performs a mean-shift search center at the specified coordinates
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/feature/detect/peak/MeanShiftPeak.java#L97-L146
50,244
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/feature/detect/peak/MeanShiftPeak.java
MeanShiftPeak.setRegion
protected void setRegion(float cx, float cy) { x0 = cx - radius; y0 = cy - radius; if( x0 < 0 ) { x0 = 0;} else if( x0+width > image.width ) { x0 = image.width-width; } if( y0 < 0 ) { y0 = 0;} else if( y0+width > image.height ) { y0 = image.height-width; } }
java
protected void setRegion(float cx, float cy) { x0 = cx - radius; y0 = cy - radius; if( x0 < 0 ) { x0 = 0;} else if( x0+width > image.width ) { x0 = image.width-width; } if( y0 < 0 ) { y0 = 0;} else if( y0+width > image.height ) { y0 = image.height-width; } }
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Updates the location of the rectangular bounding box @param cx Image center x-axis @param cy Image center y-axis
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/feature/detect/peak/MeanShiftPeak.java#L153-L162
50,245
lessthanoptimal/BoofCV
demonstrations/src/main/java/boofcv/demonstrations/transform/pyramid/EdgeIntensitiesApp.java
EdgeIntensitiesApp.gaussianDerivToDirectDeriv
public void gaussianDerivToDirectDeriv() { T blur = GeneralizedImageOps.createSingleBand(imageType, width, height); T blurDeriv = GeneralizedImageOps.createSingleBand(imageType, width, height); T gaussDeriv = GeneralizedImageOps.createSingleBand(imageType, width, height); BlurStorageFilter<T> funcBlur = Factor...
java
public void gaussianDerivToDirectDeriv() { T blur = GeneralizedImageOps.createSingleBand(imageType, width, height); T blurDeriv = GeneralizedImageOps.createSingleBand(imageType, width, height); T gaussDeriv = GeneralizedImageOps.createSingleBand(imageType, width, height); BlurStorageFilter<T> funcBlur = Factor...
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Compare computing the image
[ "Compare", "computing", "the", "image" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/demonstrations/src/main/java/boofcv/demonstrations/transform/pyramid/EdgeIntensitiesApp.java#L102-L118
50,246
lessthanoptimal/BoofCV
applications/src/main/java/boofcv/app/PaperSize.java
PaperSize.lookup
public static PaperSize lookup( String word ) { for( PaperSize paper : values ) { if( paper.name.compareToIgnoreCase(word) == 0 ) { return paper; } } return null; }
java
public static PaperSize lookup( String word ) { for( PaperSize paper : values ) { if( paper.name.compareToIgnoreCase(word) == 0 ) { return paper; } } return null; }
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Sees if the specified work matches any of the units full name or short name.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/applications/src/main/java/boofcv/app/PaperSize.java#L74-L82
50,247
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/filter/convolve/GConvolveImageOps.java
GConvolveImageOps.horizontal
public static <In extends ImageBase<In>, Out extends ImageBase<Out>, K extends Kernel1D, B extends ImageBorder<In>> void horizontal(K kernel, In input, Out output , B border ) { switch( input.getImageType().getFamily() ) { case GRAY: { if( input instanceof GrayF32) { ConvolveImage.horizontal((Kernel1D_F3...
java
public static <In extends ImageBase<In>, Out extends ImageBase<Out>, K extends Kernel1D, B extends ImageBorder<In>> void horizontal(K kernel, In input, Out output , B border ) { switch( input.getImageType().getFamily() ) { case GRAY: { if( input instanceof GrayF32) { ConvolveImage.horizontal((Kernel1D_F3...
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Performs a horizontal 1D convolution across the image. Borders are handled as specified by the 'border' parameter. @param input The original image. Not modified. @param output Where the resulting image is written to. Modified. @param kernel The kernel that is being convolved. Not modified. @param border How the image...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/filter/convolve/GConvolveImageOps.java#L39-L81
50,248
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/filter/convolve/GConvolveImageOps.java
GConvolveImageOps.horizontal
public static <In extends ImageBase<In>, Out extends ImageBase<Out>, K extends Kernel1D> void horizontal(K kernel, In input, Out output ) { switch (input.getImageType().getFamily()) { case GRAY: { if (input instanceof GrayF32) { ConvolveImageNoBorder.horizontal((Kernel1D_F32) kernel, (GrayF32) input, (Gr...
java
public static <In extends ImageBase<In>, Out extends ImageBase<Out>, K extends Kernel1D> void horizontal(K kernel, In input, Out output ) { switch (input.getImageType().getFamily()) { case GRAY: { if (input instanceof GrayF32) { ConvolveImageNoBorder.horizontal((Kernel1D_F32) kernel, (GrayF32) input, (Gr...
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Performs a horizontal 1D convolution across the image. The horizontal border is not processed. @param input The original image. Not modified. @param output Where the resulting image is written to. Modified. @param kernel The kernel that is being convolved. Not modified.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/filter/convolve/GConvolveImageOps.java#L196-L240
50,249
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/filter/convolve/GConvolveImageOps.java
GConvolveImageOps.horizontalNormalized
public static <In extends ImageBase, Out extends ImageBase, K extends Kernel1D> void horizontalNormalized(K kernel, In input, Out output ) { switch (input.getImageType().getFamily()) { case GRAY: { if (input instanceof GrayF32) { ConvolveImageNormalized.horizontal((Kernel1D_F32) kernel, (GrayF32) input, ...
java
public static <In extends ImageBase, Out extends ImageBase, K extends Kernel1D> void horizontalNormalized(K kernel, In input, Out output ) { switch (input.getImageType().getFamily()) { case GRAY: { if (input instanceof GrayF32) { ConvolveImageNormalized.horizontal((Kernel1D_F32) kernel, (GrayF32) input, ...
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Performs a horizontal 1D convolution across the image while re-normalizing the kernel depending on its overlap with the image. @param input The original image. Not modified. @param output Where the resulting image is written to. Modified. @param kernel The kernel that is being convolved. Not modified.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/filter/convolve/GConvolveImageOps.java#L355-L401
50,250
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/filter/convolve/GConvolveImageOps.java
GConvolveImageOps.convolveNormalized
public static <T extends ImageBase<T>, K extends Kernel2D> void convolveNormalized(K kernel, T input, T output ) { switch (input.getImageType().getFamily()) { case GRAY: { if (input instanceof GrayF32) { ConvolveImageNormalized.convolve((Kernel2D_F32) kernel, (GrayF32) input, (GrayF32) output); } els...
java
public static <T extends ImageBase<T>, K extends Kernel2D> void convolveNormalized(K kernel, T input, T output ) { switch (input.getImageType().getFamily()) { case GRAY: { if (input instanceof GrayF32) { ConvolveImageNormalized.convolve((Kernel2D_F32) kernel, (GrayF32) input, (GrayF32) output); } els...
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Performs a 2D convolution across the image while re-normalizing the kernel depending on its overlap with the image. @param input The original image. Not modified. @param output Where the resulting image is written to. Modified. @param kernel The kernel that is being convolved. Not modified.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/filter/convolve/GConvolveImageOps.java#L465-L508
50,251
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/feature/detect/edge/HysteresisEdgeTracePoints.java
HysteresisEdgeTracePoints.addFirstSegment
private void addFirstSegment(int x, int y) { Point2D_I32 p = queuePoints.grow(); p.set(x,y); EdgeSegment s = new EdgeSegment(); s.points.add(p); s.index = 0; s.parent = s.parentPixel = -1; e.segments.add(s); open.add(s); }
java
private void addFirstSegment(int x, int y) { Point2D_I32 p = queuePoints.grow(); p.set(x,y); EdgeSegment s = new EdgeSegment(); s.points.add(p); s.index = 0; s.parent = s.parentPixel = -1; e.segments.add(s); open.add(s); }
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Starts a new segment at the first point in the contour
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/feature/detect/edge/HysteresisEdgeTracePoints.java#L247-L256
50,252
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/misc/GPixelMath.java
GPixelMath.abs
public static <T extends ImageBase<T>> void abs( T input , T output ) { if( input instanceof ImageGray) { if (GrayS8.class == input.getClass()) { PixelMath.abs((GrayS8) input, (GrayS8) output); } else if (GrayS16.class == input.getClass()) { PixelMath.abs((GrayS16) input, (GrayS16) output); } else i...
java
public static <T extends ImageBase<T>> void abs( T input , T output ) { if( input instanceof ImageGray) { if (GrayS8.class == input.getClass()) { PixelMath.abs((GrayS8) input, (GrayS8) output); } else if (GrayS16.class == input.getClass()) { PixelMath.abs((GrayS16) input, (GrayS16) output); } else i...
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Sets each pixel in the output image to be the absolute value of the input image. Both the input and output image can be the same instance. @param input The input image. Not modified. @param output Where the absolute value image is written to. Modified.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/misc/GPixelMath.java#L37-L76
50,253
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/misc/GPixelMath.java
GPixelMath.boundImage
public static <T extends ImageBase<T>> void boundImage(T input , double min , double max ) { if( input instanceof ImageGray ) { if (GrayU8.class == input.getClass()) { PixelMath.boundImage((GrayU8) input, (int) min, (int) max); } else if (GrayS8.class == input.getClass()) { PixelMath.boundImage((GrayS8)...
java
public static <T extends ImageBase<T>> void boundImage(T input , double min , double max ) { if( input instanceof ImageGray ) { if (GrayU8.class == input.getClass()) { PixelMath.boundImage((GrayU8) input, (int) min, (int) max); } else if (GrayS8.class == input.getClass()) { PixelMath.boundImage((GrayS8)...
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Bounds image pixels to be between these two values. @param input Input image. @param min minimum value. Inclusive. @param max maximum value. Inclusive.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/misc/GPixelMath.java#L1039-L1067
50,254
lessthanoptimal/BoofCV
demonstrations/src/main/java/boofcv/demonstrations/feature/describe/VisualizeRegionDescriptionApp.java
VisualizeRegionDescriptionApp.updateTargetDescription
private void updateTargetDescription() { if( targetPt != null ) { TupleDesc feature = describe.createDescription(); describe.process(targetPt.x,targetPt.y,targetOrientation,targetRadius,feature); tuplePanel.setDescription(feature); } else { tuplePanel.setDescription(null); } tuplePanel.repaint(); }
java
private void updateTargetDescription() { if( targetPt != null ) { TupleDesc feature = describe.createDescription(); describe.process(targetPt.x,targetPt.y,targetOrientation,targetRadius,feature); tuplePanel.setDescription(feature); } else { tuplePanel.setDescription(null); } tuplePanel.repaint(); }
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Extracts the target description and updates the panel. Should only be called from a swing thread
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/demonstrations/src/main/java/boofcv/demonstrations/feature/describe/VisualizeRegionDescriptionApp.java#L163-L172
50,255
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.inducedHomography13
public static DMatrixRMaj inducedHomography13( TrifocalTensor tensor , Vector3D_F64 line2 , DMatrixRMaj output ) { if( output == null ) output = new DMatrixRMaj(3,3); DMatrixRMaj T = tensor.T1; // H(:,0) = transpose(T1)*line output.data[0] = T.data[0]*line2.x + T.data[3]*line2...
java
public static DMatrixRMaj inducedHomography13( TrifocalTensor tensor , Vector3D_F64 line2 , DMatrixRMaj output ) { if( output == null ) output = new DMatrixRMaj(3,3); DMatrixRMaj T = tensor.T1; // H(:,0) = transpose(T1)*line output.data[0] = T.data[0]*line2.x + T.data[3]*line2...
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Computes the homography induced from view 1 to 3 by a line in view 2. The provided line in view 2 must contain the view 2 observation. p3 = H13*p1 @param tensor Input: Trifocal tensor @param line2 Input: Line in view 2. {@link LineGeneral2D_F64 General notation}. @param output Output: Optional storage for homograph...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L438-L473
50,256
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.inducedHomography12
public static DMatrixRMaj inducedHomography12( TrifocalTensor tensor , Vector3D_F64 line3 , DMatrixRMaj output ) { if( output == null ) output = new DMatrixRMaj(3,3); // H(:,0) = T1*line DMatrixRMaj T = tensor.T1; output.data[0] = T.data[0]*line3.x + T.data[1]*line3.y + T.data[...
java
public static DMatrixRMaj inducedHomography12( TrifocalTensor tensor , Vector3D_F64 line3 , DMatrixRMaj output ) { if( output == null ) output = new DMatrixRMaj(3,3); // H(:,0) = T1*line DMatrixRMaj T = tensor.T1; output.data[0] = T.data[0]*line3.x + T.data[1]*line3.y + T.data[...
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Computes the homography induced from view 1 to 2 by a line in view 3. The provided line in view 3 must contain the view 3 observation. p2 = H12*p1 @param tensor Input: Trifocal tensor @param line3 Input: Line in view 3. {@link LineGeneral2D_F64 General notation}. @param output Output: Optional storage for homograph...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L486-L520
50,257
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.homographyStereo3Pts
public static DMatrixRMaj homographyStereo3Pts( DMatrixRMaj F , AssociatedPair p1, AssociatedPair p2, AssociatedPair p3) { HomographyInducedStereo3Pts alg = new HomographyInducedStereo3Pts(); alg.setFundamental(F,null); if( !alg.process(p1,p2,p3) ) return null; return alg.getHomography(); }
java
public static DMatrixRMaj homographyStereo3Pts( DMatrixRMaj F , AssociatedPair p1, AssociatedPair p2, AssociatedPair p3) { HomographyInducedStereo3Pts alg = new HomographyInducedStereo3Pts(); alg.setFundamental(F,null); if( !alg.process(p1,p2,p3) ) return null; return alg.getHomography(); }
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Computes the homography induced from a planar surface when viewed from two views using correspondences of three points. Observations must be on the planar surface. @see boofcv.alg.geo.h.HomographyInducedStereo3Pts @param F Fundamental matrix @param p1 Associated point observation @param p2 Associated point observatio...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L534-L541
50,258
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.homographyStereoLinePt
public static DMatrixRMaj homographyStereoLinePt( DMatrixRMaj F , PairLineNorm line, AssociatedPair point) { HomographyInducedStereoLinePt alg = new HomographyInducedStereoLinePt(); alg.setFundamental(F,null); alg.process(line,point); return alg.getHomography(); }
java
public static DMatrixRMaj homographyStereoLinePt( DMatrixRMaj F , PairLineNorm line, AssociatedPair point) { HomographyInducedStereoLinePt alg = new HomographyInducedStereoLinePt(); alg.setFundamental(F,null); alg.process(line,point); return alg.getHomography(); }
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Computes the homography induced from a planar surface when viewed from two views using correspondences of a line and a point. Observations must be on the planar surface. @see HomographyInducedStereoLinePt @param F Fundamental matrix @param line Line on the plane @param point Point on the plane @return The homography ...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L554-L560
50,259
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.homographyStereo2Lines
public static DMatrixRMaj homographyStereo2Lines( DMatrixRMaj F , PairLineNorm line0, PairLineNorm line1) { HomographyInducedStereo2Line alg = new HomographyInducedStereo2Line(); alg.setFundamental(F,null); if( !alg.process(line0,line1) ) return null; return alg.getHomography(); }
java
public static DMatrixRMaj homographyStereo2Lines( DMatrixRMaj F , PairLineNorm line0, PairLineNorm line1) { HomographyInducedStereo2Line alg = new HomographyInducedStereo2Line(); alg.setFundamental(F,null); if( !alg.process(line0,line1) ) return null; return alg.getHomography(); }
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Computes the homography induced from a planar surface when viewed from two views using correspondences of two lines. Observations must be on the planar surface. @see HomographyInducedStereo2Line @param F Fundamental matrix @param line0 Line on the plane @param line1 Line on the plane @return The homography from view ...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L573-L580
50,260
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.createFundamental
public static DMatrixRMaj createFundamental(DMatrixRMaj E, CameraPinhole intrinsic ) { DMatrixRMaj K = PerspectiveOps.pinholeToMatrix(intrinsic,(DMatrixRMaj)null); return createFundamental(E,K); }
java
public static DMatrixRMaj createFundamental(DMatrixRMaj E, CameraPinhole intrinsic ) { DMatrixRMaj K = PerspectiveOps.pinholeToMatrix(intrinsic,(DMatrixRMaj)null); return createFundamental(E,K); }
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Computes a Fundamental matrix given an Essential matrix and the camera's intrinsic parameters. @see #createFundamental(DMatrixRMaj, DMatrixRMaj) @param E Essential matrix @param intrinsic Intrinsic camera calibration @return Fundamental matrix
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L707-L710
50,261
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.projectiveToMetric
public static void projectiveToMetric( DMatrixRMaj cameraMatrix , DMatrixRMaj H , Se3_F64 worldToView , DMatrixRMaj K ) { DMatrixRMaj tmp = new DMatrixRMaj(3,4); CommonOps_DDRM.mult(cameraMatrix,H,tmp); MultiViewOps.decomposeMetricCamera(tmp,K,worldToView); }
java
public static void projectiveToMetric( DMatrixRMaj cameraMatrix , DMatrixRMaj H , Se3_F64 worldToView , DMatrixRMaj K ) { DMatrixRMaj tmp = new DMatrixRMaj(3,4); CommonOps_DDRM.mult(cameraMatrix,H,tmp); MultiViewOps.decomposeMetricCamera(tmp,K,worldToView); }
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Elevates a projective camera matrix into a metric one using the rectifying homography. Extracts calibration and Se3 pose. <pre> P'=P*H K,R,t = decompose(P') </pre> where P is the camera matrix, H is the homography, (K,R,t) are the intrinsic calibration matrix, rotation, and translation @see MultiViewOps#absoluteQuadr...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L1358-L1365
50,262
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.projectiveToMetricKnownK
public static void projectiveToMetricKnownK( DMatrixRMaj cameraMatrix , DMatrixRMaj H , DMatrixRMaj K, Se3_F64 worldToView ) { DMatrixRMaj tmp = new DMatrixRMaj(3,4); CommonOps_DDRM.mult(cameraMatrix,H,tmp); DMatrixRMaj K_inv = new DMatrixRMaj(3,3); CommonOps_DDRM.invert(K,K_inv); ...
java
public static void projectiveToMetricKnownK( DMatrixRMaj cameraMatrix , DMatrixRMaj H , DMatrixRMaj K, Se3_F64 worldToView ) { DMatrixRMaj tmp = new DMatrixRMaj(3,4); CommonOps_DDRM.mult(cameraMatrix,H,tmp); DMatrixRMaj K_inv = new DMatrixRMaj(3,3); CommonOps_DDRM.invert(K,K_inv); ...
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Convert the projective camera matrix into a metric transform given the rectifying homography and a known calibration matrix. {@code P = K*[R|T]*H} where H is the inverse of the rectifying homography. @param cameraMatrix (Input) camera matrix. 3x4 @param H (Input) Rectifying homography. 4x4 @param K (Input) Known cali...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L1378-L1410
50,263
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.rectifyHToAbsoluteQuadratic
public static void rectifyHToAbsoluteQuadratic(DMatrixRMaj H , DMatrixRMaj Q ) { int indexQ = 0; for (int rowA = 0; rowA < 4; rowA++) { for (int colB = 0; colB < 4; colB++) { int indexA = rowA*4; int indexB = colB*4; double sum = 0; for (int i = 0; i < 3; i++) { // sum += H.get(rowA,i)*H.get...
java
public static void rectifyHToAbsoluteQuadratic(DMatrixRMaj H , DMatrixRMaj Q ) { int indexQ = 0; for (int rowA = 0; rowA < 4; rowA++) { for (int colB = 0; colB < 4; colB++) { int indexA = rowA*4; int indexB = colB*4; double sum = 0; for (int i = 0; i < 3; i++) { // sum += H.get(rowA,i)*H.get...
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Rectifying homography to dual absolute quadratic. <p>Q = H*I*H<sup>T</sup> = H(:,1:3)*H(:,1:3)'</p> <p>where I = diag(1 1 1 0)</p> @param H (Input) 4x4 rectifying homography. @param Q (Output) Absolute quadratic. Typically found in auto calibration. Not modified.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L1489-L1506
50,264
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.intrinsicFromAbsoluteQuadratic
public static void intrinsicFromAbsoluteQuadratic( DMatrixRMaj Q , DMatrixRMaj P , CameraPinhole intrinsic ) { DMatrixRMaj tmp = new DMatrixRMaj(3,4); DMatrixRMaj tmp2 = new DMatrixRMaj(3,3); CommonOps_DDRM.mult(P,Q,tmp); CommonOps_DDRM.multTransB(tmp,P,tmp2); decomposeDiac(tmp2,intrinsic); }
java
public static void intrinsicFromAbsoluteQuadratic( DMatrixRMaj Q , DMatrixRMaj P , CameraPinhole intrinsic ) { DMatrixRMaj tmp = new DMatrixRMaj(3,4); DMatrixRMaj tmp2 = new DMatrixRMaj(3,3); CommonOps_DDRM.mult(P,Q,tmp); CommonOps_DDRM.multTransB(tmp,P,tmp2); decomposeDiac(tmp2,intrinsic); }
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Extracts the intrinsic camera matrix from a view given its camera matrix and the dual absolute quadratic. <p>w<sub>i</sub> = P<sub>i</sub>*Q*P<sub>i</sub><sup>T</sup>, where w<sub>i</sub> = K<sub>i</sub>*K'<sub>i</sub></p> @param Q (Input) Dual absolute qudratic @param P (Input) Camera matrix for a view @param intrin...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L1517-L1525
50,265
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.split2
public static Tuple2<List<Point2D_F64>,List<Point2D_F64>> split2( List<AssociatedPair> input ) { List<Point2D_F64> list1 = new ArrayList<>(); List<Point2D_F64> list2 = new ArrayList<>(); for (int i = 0; i < input.size(); i++) { list1.add( input.get(i).p1 ); list2.add( input.get(i).p2 ); } return new ...
java
public static Tuple2<List<Point2D_F64>,List<Point2D_F64>> split2( List<AssociatedPair> input ) { List<Point2D_F64> list1 = new ArrayList<>(); List<Point2D_F64> list2 = new ArrayList<>(); for (int i = 0; i < input.size(); i++) { list1.add( input.get(i).p1 ); list2.add( input.get(i).p2 ); } return new ...
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Splits the associated pairs into two lists @param input List of associated features @return two lists containing each set of features
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L1623-L1634
50,266
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java
MultiViewOps.split3
public static Tuple3<List<Point2D_F64>,List<Point2D_F64>,List<Point2D_F64>> split3(List<AssociatedTriple> input ) { List<Point2D_F64> list1 = new ArrayList<>(); List<Point2D_F64> list2 = new ArrayList<>(); List<Point2D_F64> list3 = new ArrayList<>(); for (int i = 0; i < input.size(); i++) { list1.add( inpu...
java
public static Tuple3<List<Point2D_F64>,List<Point2D_F64>,List<Point2D_F64>> split3(List<AssociatedTriple> input ) { List<Point2D_F64> list1 = new ArrayList<>(); List<Point2D_F64> list2 = new ArrayList<>(); List<Point2D_F64> list3 = new ArrayList<>(); for (int i = 0; i < input.size(); i++) { list1.add( inpu...
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Splits the associated triple into three lists @param input List of associated features @return three lists containing each set of features
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/MultiViewOps.java#L1641-L1654
50,267
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/denoise/wavelet/SubbandShrink.java
SubbandShrink.performShrinkage
protected void performShrinkage( I transform , int numLevels ) { // step through each layer in the pyramid. for( int i = 0; i < numLevels; i++ ) { int w = transform.width; int h = transform.height; int ww = w/2; int hh = h/2; Number threshold; I subband; // HL subband = transform.subimage(...
java
protected void performShrinkage( I transform , int numLevels ) { // step through each layer in the pyramid. for( int i = 0; i < numLevels; i++ ) { int w = transform.width; int h = transform.height; int ww = w/2; int hh = h/2; Number threshold; I subband; // HL subband = transform.subimage(...
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Performs wavelet shrinking using the specified rule and by computing a threshold for each subband. @param transform The image being transformed. @param numLevels Number of levels in the transform.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/denoise/wavelet/SubbandShrink.java#L56-L91
50,268
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/alg/denoise/wavelet/DenoiseVisuShrink_F32.java
DenoiseVisuShrink_F32.denoise
@Override public void denoise(GrayF32 transform , int numLevels ) { int scale = UtilWavelet.computeScale(numLevels); final int h = transform.height; final int w = transform.width; // width and height of scaling image final int innerWidth = w/scale; final int innerHeight = h/scale; GrayF32 subbandHH = ...
java
@Override public void denoise(GrayF32 transform , int numLevels ) { int scale = UtilWavelet.computeScale(numLevels); final int h = transform.height; final int w = transform.width; // width and height of scaling image final int innerWidth = w/scale; final int innerHeight = h/scale; GrayF32 subbandHH = ...
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Applies VisuShrink denoising to the provided multilevel wavelet transform using the provided threshold. @param transform Mult-level wavelet transform. Modified. @param numLevels Number of levels in the transform.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/alg/denoise/wavelet/DenoiseVisuShrink_F32.java#L51-L69
50,269
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/factory/transform/wavelet/FactoryWaveletCoiflet.java
FactoryWaveletCoiflet.generate_F32
public static WaveletDescription<WlCoef_F32> generate_F32( int I ) { if( I != 6 ) { throw new IllegalArgumentException("Only 6 is currently supported"); } WlCoef_F32 coef = new WlCoef_F32(); coef.offsetScaling = -2; coef.offsetWavelet = -2; coef.scaling = new float[6]; coef.wavelet = new float[6]; ...
java
public static WaveletDescription<WlCoef_F32> generate_F32( int I ) { if( I != 6 ) { throw new IllegalArgumentException("Only 6 is currently supported"); } WlCoef_F32 coef = new WlCoef_F32(); coef.offsetScaling = -2; coef.offsetWavelet = -2; coef.scaling = new float[6]; coef.wavelet = new float[6]; ...
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Creates a description of a Coiflet of order I wavelet. @param I order of the wavelet. @return Wavelet description.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/factory/transform/wavelet/FactoryWaveletCoiflet.java#L58-L90
50,270
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/shapes/ShapeFittingOps.java
ShapeFittingOps.fitEllipse_F64
public static FitData<EllipseRotated_F64> fitEllipse_F64( List<Point2D_F64> points, int iterations , boolean computeError , FitData<EllipseRotated_F64> outputStorage ) { if( outputStorage == null ) { outputStorage = new FitData<>(new EllipseRotated_F64()); } // Compute the o...
java
public static FitData<EllipseRotated_F64> fitEllipse_F64( List<Point2D_F64> points, int iterations , boolean computeError , FitData<EllipseRotated_F64> outputStorage ) { if( outputStorage == null ) { outputStorage = new FitData<>(new EllipseRotated_F64()); } // Compute the o...
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Computes the best fit ellipse based on minimizing Euclidean distance. An estimate is initially provided using algebraic algorithm which is then refined using non-linear optimization. The amount of non-linear optimization can be controlled using 'iterations' parameter. Will work with partial and complete contours of ...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/shapes/ShapeFittingOps.java#L104-L148
50,271
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/shapes/ShapeFittingOps.java
ShapeFittingOps.convert_I32_F64
public static List<Point2D_F64> convert_I32_F64(List<Point2D_I32> points) { return convert_I32_F64(points,null).toList(); }
java
public static List<Point2D_F64> convert_I32_F64(List<Point2D_I32> points) { return convert_I32_F64(points,null).toList(); }
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Converts a list of I32 points into F64 @param points Original points @return Converted points
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/shapes/ShapeFittingOps.java#L174-L176
50,272
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/shapes/ShapeFittingOps.java
ShapeFittingOps.averageCircle_I32
public static FitData<Circle2D_F64> averageCircle_I32(List<Point2D_I32> points, GrowQueue_F64 optional, FitData<Circle2D_F64> outputStorage) { if( outputStorage == null ) { outputStorage = new FitData<>(new Circle2D_F64()); } if( optional == null ) { optional = new GrowQueue_F64(); } Ci...
java
public static FitData<Circle2D_F64> averageCircle_I32(List<Point2D_I32> points, GrowQueue_F64 optional, FitData<Circle2D_F64> outputStorage) { if( outputStorage == null ) { outputStorage = new FitData<>(new Circle2D_F64()); } if( optional == null ) { optional = new GrowQueue_F64(); } Ci...
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Computes a circle which has it's center at the mean position of the provided points and radius is equal to the average distance of each point from the center. While fast to compute the provided circle is not a best fit circle by any reasonable metric, except for special cases. @param points (Input) Set of unordered p...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/shapes/ShapeFittingOps.java#L218-L265
50,273
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java
ProjectiveInitializeAllCommon.fixate
public void fixate() { ransac = FactoryMultiViewRobust.trifocalRansac(configTriRansac,configError,configRansac); sba = FactoryMultiView.bundleSparseProjective(configSBA); }
java
public void fixate() { ransac = FactoryMultiViewRobust.trifocalRansac(configTriRansac,configError,configRansac); sba = FactoryMultiView.bundleSparseProjective(configSBA); }
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Must call if you change configurations.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java#L128-L131
50,274
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java
ProjectiveInitializeAllCommon.selectInitialTriplet
boolean selectInitialTriplet( View seed , GrowQueue_I32 motions , int selected[] ) { double bestScore = 0; for (int i = 0; i < motions.size; i++) { View viewB = seed.connections.get(i).other(seed); for (int j = i+1; j < motions.size; j++) { View viewC = seed.connections.get(j).other(seed); double s ...
java
boolean selectInitialTriplet( View seed , GrowQueue_I32 motions , int selected[] ) { double bestScore = 0; for (int i = 0; i < motions.size; i++) { View viewB = seed.connections.get(i).other(seed); for (int j = i+1; j < motions.size; j++) { View viewC = seed.connections.get(j).other(seed); double s ...
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Exhaustively look at all triplets that connect with the seed view
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java#L185-L202
50,275
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java
ProjectiveInitializeAllCommon.triangulateFeatures
private void triangulateFeatures(List<AssociatedTriple> inliers, DMatrixRMaj P1, DMatrixRMaj P2, DMatrixRMaj P3) { List<DMatrixRMaj> cameraMatrices = new ArrayList<>(); cameraMatrices.add(P1); cameraMatrices.add(P2); cameraMatrices.add(P3); // need elements to be non-empty so that it can use set()....
java
private void triangulateFeatures(List<AssociatedTriple> inliers, DMatrixRMaj P1, DMatrixRMaj P2, DMatrixRMaj P3) { List<DMatrixRMaj> cameraMatrices = new ArrayList<>(); cameraMatrices.add(P1); cameraMatrices.add(P2); cameraMatrices.add(P3); // need elements to be non-empty so that it can use set()....
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Triangulates the location of each features in homogenous space
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java#L275-L304
50,276
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java
ProjectiveInitializeAllCommon.initializeProjective3
private void initializeProjective3(FastQueue<AssociatedTriple> associated , FastQueue<AssociatedTripleIndex> associatedIdx , int totalViews, View viewA , View viewB , View viewC , int idxViewB , int idxViewC ) { ransac.process(associated.toList()); List<AssociatedTri...
java
private void initializeProjective3(FastQueue<AssociatedTriple> associated , FastQueue<AssociatedTripleIndex> associatedIdx , int totalViews, View viewA , View viewB , View viewC , int idxViewB , int idxViewC ) { ransac.process(associated.toList()); List<AssociatedTri...
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Initializes projective reconstruction from 3-views. 1) RANSAC to fit a trifocal tensor 2) Extract camera matrices that have a common projective space 3) Triangulate location of 3D homogenous points @param associated List of associated pixels @param associatedIdx List of associated feature indexes
[ "Initializes", "projective", "reconstruction", "from", "3", "-", "views", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java#L331-L377
50,277
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java
ProjectiveInitializeAllCommon.findRemainingCameraMatrices
boolean findRemainingCameraMatrices(LookupSimilarImages db, View seed, GrowQueue_I32 motions) { points3D.reset(); // points in 3D for (int i = 0; i < structure.points.length; i++) { structure.points[i].get(points3D.grow()); } // contains associated pairs of pixel observations // save a call to db by using ...
java
boolean findRemainingCameraMatrices(LookupSimilarImages db, View seed, GrowQueue_I32 motions) { points3D.reset(); // points in 3D for (int i = 0; i < structure.points.length; i++) { structure.points[i].get(points3D.grow()); } // contains associated pairs of pixel observations // save a call to db by using ...
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Uses the triangulated points and observations in the root view to estimate the camera matrix for all the views which are remaining @return true if successful or false if not
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java#L384-L421
50,278
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java
ProjectiveInitializeAllCommon.computeCameraMatrix
private boolean computeCameraMatrix(View seed, Motion edge, FastQueue<Point2D_F64> featsB, DMatrixRMaj cameraMatrix ) { boolean seedSrc = edge.src == seed; int matched = 0; for (int i = 0; i < edge.inliers.size; i++) { // need to go from i to index of detected features in view 'seed' to index index of feature...
java
private boolean computeCameraMatrix(View seed, Motion edge, FastQueue<Point2D_F64> featsB, DMatrixRMaj cameraMatrix ) { boolean seedSrc = edge.src == seed; int matched = 0; for (int i = 0; i < edge.inliers.size; i++) { // need to go from i to index of detected features in view 'seed' to index index of feature...
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Computes camera matrix between the seed view and a connected view @param seed This will be the source view. It's observations have already been added to assocPixel @param edge The edge which connects them @param featsB The dst view @param cameraMatrix (Output) resulting camera matrix @return true if successful
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java#L431-L456
50,279
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java
ProjectiveInitializeAllCommon.createObservationsForBundleAdjustment
private SceneObservations createObservationsForBundleAdjustment(LookupSimilarImages db, View seed, GrowQueue_I32 motions) { // seed view + the motions SceneObservations observations = new SceneObservations(motions.size+1); // Observations for the seed view are a special case SceneObservations.View obsView = ob...
java
private SceneObservations createObservationsForBundleAdjustment(LookupSimilarImages db, View seed, GrowQueue_I32 motions) { // seed view + the motions SceneObservations observations = new SceneObservations(motions.size+1); // Observations for the seed view are a special case SceneObservations.View obsView = ob...
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Convert observations into a format which bundle adjustment will understand @param seed The first view which all other views are connected to @param motions Which edges in seed @return observations for SBA
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java#L464-L495
50,280
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java
ProjectiveInitializeAllCommon.refineWithBundleAdjustment
private boolean refineWithBundleAdjustment(SceneObservations observations) { if( scaleSBA ) { scaler.applyScale(structure,observations); } sba.setVerbose(verbose,verboseLevel); sba.setParameters(structure,observations); sba.configure(converge.ftol,converge.gtol,converge.maxIterations); if( !sba.optimiz...
java
private boolean refineWithBundleAdjustment(SceneObservations observations) { if( scaleSBA ) { scaler.applyScale(structure,observations); } sba.setVerbose(verbose,verboseLevel); sba.setParameters(structure,observations); sba.configure(converge.ftol,converge.gtol,converge.maxIterations); if( !sba.optimiz...
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Last step is to refine the current initial estimate with bundle adjustment
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/structure2/ProjectiveInitializeAllCommon.java#L500-L522
50,281
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/core/encoding/ConvertNV21.java
ConvertNV21.nv21ToBoof
public static void nv21ToBoof(byte[] data, int width, int height, ImageBase output) { if( output instanceof Planar) { Planar ms = (Planar) output; if (ms.getBandType() == GrayU8.class) { ConvertNV21.nv21TPlanarRgb_U8(data, width, height, ms); } else if (ms.getBandType() == GrayF32.class) { ConvertN...
java
public static void nv21ToBoof(byte[] data, int width, int height, ImageBase output) { if( output instanceof Planar) { Planar ms = (Planar) output; if (ms.getBandType() == GrayU8.class) { ConvertNV21.nv21TPlanarRgb_U8(data, width, height, ms); } else if (ms.getBandType() == GrayF32.class) { ConvertN...
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Converts a NV21 encoded byte array into a BoofCV formatted image. @param data (input) NV21 byte array @param width (input) image width @param height (input) image height @param output (output) BoofCV image
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/core/encoding/ConvertNV21.java#L44-L75
50,282
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/core/encoding/ConvertNV21.java
ConvertNV21.nv21ToGray
public static <T extends ImageGray<T>> T nv21ToGray( byte[] data , int width , int height , T output , Class<T> outputType ) { if( outputType == GrayU8.class ) { return (T)nv21ToGray(data,width,height,(GrayU8)output); } else if( outputType == GrayF32.class ) { return (T)nv21ToGray(data,width,height,(G...
java
public static <T extends ImageGray<T>> T nv21ToGray( byte[] data , int width , int height , T output , Class<T> outputType ) { if( outputType == GrayU8.class ) { return (T)nv21ToGray(data,width,height,(GrayU8)output); } else if( outputType == GrayF32.class ) { return (T)nv21ToGray(data,width,height,(G...
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Converts an NV21 image into a gray scale image. Image type is determined at runtime. @param data Input: NV21 image data @param width Input: NV21 image width @param height Input: NV21 image height @param output Output: Optional storage for output image. Can be null. @param outputType Output: Type of output image @pa...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/core/encoding/ConvertNV21.java#L88-L99
50,283
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/core/encoding/ConvertNV21.java
ConvertNV21.nv21ToGray
public static GrayU8 nv21ToGray(byte[] data , int width , int height , GrayU8 output ) { if( output != null ) { output.reshape(width,height); } else { output = new GrayU8(width,height); } if(BoofConcurrency.USE_CONCURRENT ) { ImplConvertNV21_MT.nv21ToGray(data, output); } else { ImplConvertNV21.n...
java
public static GrayU8 nv21ToGray(byte[] data , int width , int height , GrayU8 output ) { if( output != null ) { output.reshape(width,height); } else { output = new GrayU8(width,height); } if(BoofConcurrency.USE_CONCURRENT ) { ImplConvertNV21_MT.nv21ToGray(data, output); } else { ImplConvertNV21.n...
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Converts an NV21 image into a gray scale U8 image. @param data Input: NV21 image data @param width Input: NV21 image width @param height Input: NV21 image height @param output Output: Optional storage for output image. Can be null. @return Gray scale image
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/core/encoding/ConvertNV21.java#L110-L124
50,284
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/FiducialSquareGenerator.java
FiducialSquareGenerator.generate
public void generate( long value , int gridWidth ) { renderer.init(); drawBorder(); double whiteBorder = whiteBorderDoc /markerWidth; double X0 = whiteBorder+blackBorder; double Y0 = whiteBorder+blackBorder; double bw = (1.0-2*X0)/gridWidth; // Draw the black corner used to ID the orientation square...
java
public void generate( long value , int gridWidth ) { renderer.init(); drawBorder(); double whiteBorder = whiteBorderDoc /markerWidth; double X0 = whiteBorder+blackBorder; double Y0 = whiteBorder+blackBorder; double bw = (1.0-2*X0)/gridWidth; // Draw the black corner used to ID the orientation square...
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Renders a binary square fiducial @param value Value encoded in the fiducial @param gridWidth number of cells wide the grid is
[ "Renders", "a", "binary", "square", "fiducial" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/FiducialSquareGenerator.java#L92-L133
50,285
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/overhead/CameraPlaneProjection.java
CameraPlaneProjection.setConfiguration
public void setConfiguration( Se3_F64 planeToCamera , CameraPinholeBrown intrinsic ) { this.planeToCamera = planeToCamera; normToPixel = LensDistortionFactory.narrow(intrinsic).distort_F64(false, true); pixelToNorm = LensDistortionFactory.narrow(intrinsic).undistort_F64(true, false); planeToCamera.i...
java
public void setConfiguration( Se3_F64 planeToCamera , CameraPinholeBrown intrinsic ) { this.planeToCamera = planeToCamera; normToPixel = LensDistortionFactory.narrow(intrinsic).distort_F64(false, true); pixelToNorm = LensDistortionFactory.narrow(intrinsic).undistort_F64(true, false); planeToCamera.i...
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Configures the camera's intrinsic and extrinsic parameters @param planeToCamera Transform from the plane to the camera @param intrinsic Pixel to normalized image coordinates
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/overhead/CameraPlaneProjection.java#L64-L72
50,286
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/overhead/CameraPlaneProjection.java
CameraPlaneProjection.setIntrinsic
public void setIntrinsic(CameraPinholeBrown intrinsic ) { normToPixel = LensDistortionFactory.narrow(intrinsic).distort_F64(false, true); pixelToNorm = LensDistortionFactory.narrow(intrinsic).undistort_F64(true, false); }
java
public void setIntrinsic(CameraPinholeBrown intrinsic ) { normToPixel = LensDistortionFactory.narrow(intrinsic).distort_F64(false, true); pixelToNorm = LensDistortionFactory.narrow(intrinsic).undistort_F64(true, false); }
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Configures the camera's intrinsic parameters @param intrinsic Intrinsic camera parameters
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/overhead/CameraPlaneProjection.java#L78-L82
50,287
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/overhead/CameraPlaneProjection.java
CameraPlaneProjection.setPlaneToCamera
public void setPlaneToCamera(Se3_F64 planeToCamera, boolean computeInverse ) { this.planeToCamera = planeToCamera; if( computeInverse ) planeToCamera.invert(cameraToPlane); }
java
public void setPlaneToCamera(Se3_F64 planeToCamera, boolean computeInverse ) { this.planeToCamera = planeToCamera; if( computeInverse ) planeToCamera.invert(cameraToPlane); }
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Specifies camera's extrinsic parameters. @param planeToCamera Transform from plane to camera reference frame @param computeInverse Set to true if pixelToPlane is going to be called. performs extra calculation
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/overhead/CameraPlaneProjection.java#L90-L95
50,288
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/overhead/CameraPlaneProjection.java
CameraPlaneProjection.planeToPixel
public boolean planeToPixel( double pointX , double pointY , Point2D_F64 pixel ) { // convert it into a 3D coordinate and transform into camera reference frame plain3D.set(-pointY, 0, pointX); SePointOps_F64.transform(planeToCamera, plain3D, camera3D); // if it's behind the camera it can't be seen if( camera...
java
public boolean planeToPixel( double pointX , double pointY , Point2D_F64 pixel ) { // convert it into a 3D coordinate and transform into camera reference frame plain3D.set(-pointY, 0, pointX); SePointOps_F64.transform(planeToCamera, plain3D, camera3D); // if it's behind the camera it can't be seen if( camera...
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Given a point on the plane find the pixel in the image. @param pointX (input) Point on the plane, x-axis @param pointY (input) Point on the plane, y-axis @param pixel (output) Pixel in the image @return true if the point is in front of the camera. False if not.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/overhead/CameraPlaneProjection.java#L105-L120
50,289
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/overhead/CameraPlaneProjection.java
CameraPlaneProjection.planeToNormalized
public boolean planeToNormalized( double pointX , double pointY , Point2D_F64 normalized ) { // convert it into a 3D coordinate and transform into camera reference frame plain3D.set(-pointY, 0, pointX); SePointOps_F64.transform(planeToCamera, plain3D, camera3D); // if it's behind the camera it can't be seen ...
java
public boolean planeToNormalized( double pointX , double pointY , Point2D_F64 normalized ) { // convert it into a 3D coordinate and transform into camera reference frame plain3D.set(-pointY, 0, pointX); SePointOps_F64.transform(planeToCamera, plain3D, camera3D); // if it's behind the camera it can't be seen ...
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Given a point on the plane find the normalized image coordinate @param pointX (input) Point on the plane, x-axis @param pointY (input) Point on the plane, y-axis @param normalized (output) Normalized image coordinate of pixel @return true if the point is in front of the camera. False if not.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/overhead/CameraPlaneProjection.java#L130-L144
50,290
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/chess/ChessboardCornerGraph.java
ChessboardCornerGraph.convert
public void convert( FeatureGraph2D graph ) { graph.nodes.resize(corners.size); graph.reset(); for (int i = 0; i < corners.size; i++) { Node c = corners.get(i); FeatureGraph2D.Node n = graph.nodes.grow(); n.reset(); n.set(c.x,c.y); n.index = c.index; } for (int i = 0; i < corners.size; i++) { ...
java
public void convert( FeatureGraph2D graph ) { graph.nodes.resize(corners.size); graph.reset(); for (int i = 0; i < corners.size; i++) { Node c = corners.get(i); FeatureGraph2D.Node n = graph.nodes.grow(); n.reset(); n.set(c.x,c.y); n.index = c.index; } for (int i = 0; i < corners.size; i++) { ...
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Convert into a generic graph.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/chess/ChessboardCornerGraph.java#L42-L61
50,291
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/d2/ImageMotionPointTrackerKey.java
ImageMotionPointTrackerKey.process
public boolean process( I frame ) { keyFrame = false; // update the feature tracker tracker.process(frame); totalFramesProcessed++; List<PointTrack> tracks = tracker.getActiveTracks(null); if( tracks.size() == 0 ) return false; List<AssociatedPair> pairs = new ArrayList<>(); for( PointTrack t : ...
java
public boolean process( I frame ) { keyFrame = false; // update the feature tracker tracker.process(frame); totalFramesProcessed++; List<PointTrack> tracks = tracker.getActiveTracks(null); if( tracks.size() == 0 ) return false; List<AssociatedPair> pairs = new ArrayList<>(); for( PointTrack t : ...
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Processes the next frame in the sequence. @param frame Next frame in the video sequence @return true if motion was estimated and false if no motion was estimated
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/d2/ImageMotionPointTrackerKey.java#L110-L152
50,292
lessthanoptimal/BoofCV
main/boofcv-sfm/src/main/java/boofcv/alg/sfm/d2/ImageMotionPointTrackerKey.java
ImageMotionPointTrackerKey.changeKeyFrame
public void changeKeyFrame() { // drop all inactive tracks since their location is unknown in the current frame List<PointTrack> inactive = tracker.getInactiveTracks(null); for( PointTrack l : inactive ) { tracker.dropTrack(l); } // set the keyframe for active tracks as their current location List<Point...
java
public void changeKeyFrame() { // drop all inactive tracks since their location is unknown in the current frame List<PointTrack> inactive = tracker.getInactiveTracks(null); for( PointTrack l : inactive ) { tracker.dropTrack(l); } // set the keyframe for active tracks as their current location List<Point...
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Change the current frame into the keyframe. p1 location of existing tracks is set to their current location and new tracks are spawned. Reference frame transformations are also updated
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-sfm/src/main/java/boofcv/alg/sfm/d2/ImageMotionPointTrackerKey.java#L170-L203
50,293
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/cloud/PointCloudUtils.java
PointCloudUtils.autoScale
public static double autoScale( List<Point3D_F64> cloud , double target ) { Point3D_F64 mean = new Point3D_F64(); Point3D_F64 stdev = new Point3D_F64(); statistics(cloud, mean, stdev); double scale = target/(Math.max(Math.max(stdev.x,stdev.y),stdev.z)); int N = cloud.size(); for (int i = 0; i < N ; i++...
java
public static double autoScale( List<Point3D_F64> cloud , double target ) { Point3D_F64 mean = new Point3D_F64(); Point3D_F64 stdev = new Point3D_F64(); statistics(cloud, mean, stdev); double scale = target/(Math.max(Math.max(stdev.x,stdev.y),stdev.z)); int N = cloud.size(); for (int i = 0; i < N ; i++...
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Automatically rescales the point cloud based so that it has a standard deviation of 'target' @param cloud The point cloud @param target The desired standard deviation of the cloud. Try 100 @return The selected scale factor
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/cloud/PointCloudUtils.java#L42-L57
50,294
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/cloud/PointCloudUtils.java
PointCloudUtils.statistics
public static void statistics( List<Point3D_F64> cloud , Point3D_F64 mean , Point3D_F64 stdev ) { final int N = cloud.size(); for (int i = 0; i < N; i++) { Point3D_F64 p = cloud.get(i); mean.x += p.x / N; mean.y += p.y / N; mean.z += p.z / N; } for (int i = 0; i < N; i++) { Point3D_F64 p = cloud...
java
public static void statistics( List<Point3D_F64> cloud , Point3D_F64 mean , Point3D_F64 stdev ) { final int N = cloud.size(); for (int i = 0; i < N; i++) { Point3D_F64 p = cloud.get(i); mean.x += p.x / N; mean.y += p.y / N; mean.z += p.z / N; } for (int i = 0; i < N; i++) { Point3D_F64 p = cloud...
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Computes the mean and standard deviation of each axis in the point cloud computed in dependently @param cloud (Input) Cloud @param mean (Output) mean of each axis @param stdev (Output) standard deviation of each axis
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/cloud/PointCloudUtils.java#L65-L87
50,295
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/cloud/PointCloudUtils.java
PointCloudUtils.prune
public static void prune(List<Point3D_F64> cloud , int minNeighbors , double radius ) { if( minNeighbors < 0 ) throw new IllegalArgumentException("minNeighbors must be >= 0"); NearestNeighbor<Point3D_F64> nn = FactoryNearestNeighbor.kdtree(new KdTreePoint3D_F64() ); NearestNeighbor.Search<Point3D_F64> search =...
java
public static void prune(List<Point3D_F64> cloud , int minNeighbors , double radius ) { if( minNeighbors < 0 ) throw new IllegalArgumentException("minNeighbors must be >= 0"); NearestNeighbor<Point3D_F64> nn = FactoryNearestNeighbor.kdtree(new KdTreePoint3D_F64() ); NearestNeighbor.Search<Point3D_F64> search =...
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Prunes points from the point cloud if they have very few neighbors @param cloud Point cloud @param minNeighbors Minimum number of neighbors for it to not be pruned @param radius search distance for neighbors
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/cloud/PointCloudUtils.java#L96-L118
50,296
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/LowLevelMultiViewOps.java
LowLevelMultiViewOps.computeNormalizationLL
public static void computeNormalizationLL(List<List<Point2D_F64>> points, NormalizationPoint2D normalize ) { double meanX = 0; double meanY = 0; int count = 0; for (int i = 0; i < points.size(); i++) { List<Point2D_F64> l = points.get(i); for (int j = 0; j < l.size(); j++) { Point2D_F64 p = l.get(j...
java
public static void computeNormalizationLL(List<List<Point2D_F64>> points, NormalizationPoint2D normalize ) { double meanX = 0; double meanY = 0; int count = 0; for (int i = 0; i < points.size(); i++) { List<Point2D_F64> l = points.get(i); for (int j = 0; j < l.size(); j++) { Point2D_F64 p = l.get(j...
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Computes normalization when points are contained in a list of lists @param points Input: List of observed points. Not modified. @param normalize Output: 3x3 normalization matrix for first set of points. Modified.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/LowLevelMultiViewOps.java#L82-L121
50,297
lessthanoptimal/BoofCV
main/autocode/src/main/java/boofcv/AutocodeConcurrentApp.java
AutocodeConcurrentApp.convertFile
public static void convertFile( File original ) throws IOException { File outputFile = determineClassName(original); String classNameOld = className(original); String classNameNew = className(outputFile); // Read the file and split it up into lines List<String> inputLines = FileUtils.readLines(original,"UTF...
java
public static void convertFile( File original ) throws IOException { File outputFile = determineClassName(original); String classNameOld = className(original); String classNameNew = className(outputFile); // Read the file and split it up into lines List<String> inputLines = FileUtils.readLines(original,"UTF...
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Converts the file from single thread into concurrent implementation
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/autocode/src/main/java/boofcv/AutocodeConcurrentApp.java#L54-L119
50,298
lessthanoptimal/BoofCV
main/autocode/src/main/java/boofcv/AutocodeConcurrentApp.java
AutocodeConcurrentApp.determineClassName
private static File determineClassName( File original ) throws IOException { String text = FileUtils.readFileToString(original, "UTF-8"); if(!text.contains("//CONCURRENT")) throw new IOException("Not a concurrent file"); String pattern = "//CONCURRENT_CLASS_NAME "; int where = text.indexOf(pattern); if( ...
java
private static File determineClassName( File original ) throws IOException { String text = FileUtils.readFileToString(original, "UTF-8"); if(!text.contains("//CONCURRENT")) throw new IOException("Not a concurrent file"); String pattern = "//CONCURRENT_CLASS_NAME "; int where = text.indexOf(pattern); if( ...
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Searches the input file for an override. If none is found then _MT is added to the class name. @param original Input file @return Output file
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/autocode/src/main/java/boofcv/AutocodeConcurrentApp.java#L208-L223
50,299
lessthanoptimal/BoofCV
main/boofcv-types/src/main/java/boofcv/struct/pyramid/ImagePyramidBase.java
ImagePyramidBase.initialize
@Override public void initialize(int width, int height) { // see if it has already been initialized if( bottomWidth == width && bottomHeight == height ) return; this.bottomWidth = width; this.bottomHeight = height; layers = imageType.createArray(getNumLayers()); double scaleFactor = getScale(0); if ...
java
@Override public void initialize(int width, int height) { // see if it has already been initialized if( bottomWidth == width && bottomHeight == height ) return; this.bottomWidth = width; this.bottomHeight = height; layers = imageType.createArray(getNumLayers()); double scaleFactor = getScale(0); if ...
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Initializes internal data structures based on the input image's size. Should be called each time a new image is processed. @param width Image width @param height Image height
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-types/src/main/java/boofcv/struct/pyramid/ImagePyramidBase.java#L72-L95