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50,300
lessthanoptimal/BoofCV
main/boofcv-types/src/main/java/boofcv/struct/pyramid/ImagePyramidBase.java
ImagePyramidBase.checkScales
protected void checkScales() { if( getScale(0) < 0 ) { throw new IllegalArgumentException("The first layer must be more than zero."); } double prevScale = 0; for( int i = 0; i < getNumLayers(); i++ ) { double s = getScale(i); if( s < prevScale ) throw new IllegalArgumentException("Higher layers mu...
java
protected void checkScales() { if( getScale(0) < 0 ) { throw new IllegalArgumentException("The first layer must be more than zero."); } double prevScale = 0; for( int i = 0; i < getNumLayers(); i++ ) { double s = getScale(i); if( s < prevScale ) throw new IllegalArgumentException("Higher layers mu...
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Used to internally check that the provided scales are valid.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-types/src/main/java/boofcv/struct/pyramid/ImagePyramidBase.java#L100-L112
50,301
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/EllipseClustersIntoRegularGrid.java
EllipseClustersIntoRegularGrid.checkGridSize
static boolean checkGridSize(List<List<NodeInfo>> grid , int clusterSize ) { int total = 0; int expected = grid.get(0).size(); for (int i = 0; i < grid.size(); i++) { if( expected != grid.get(i).size() ) return false; total += grid.get(i).size(); } return total == clusterSize; }
java
static boolean checkGridSize(List<List<NodeInfo>> grid , int clusterSize ) { int total = 0; int expected = grid.get(0).size(); for (int i = 0; i < grid.size(); i++) { if( expected != grid.get(i).size() ) return false; total += grid.get(i).size(); } return total == clusterSize; }
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Makes sure the found grid is the same size as the original cluster. If it's not then. not all the nodes were used. All lists must have he same size too.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/EllipseClustersIntoRegularGrid.java#L119-L130
50,302
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/triangulate/PixelDepthLinearMetric.java
PixelDepthLinearMetric.depthNView
public double depthNView( List<Point2D_F64> obs , List<Se3_F64> motion ) { double top = 0, bottom = 0; Point2D_F64 a = obs.get(0); for( int i = 1; i < obs.size(); i++ ) { Se3_F64 se = motion.get(i-1); Point2D_F64 b = obs.get(i); GeometryMath_F64.multCrossA(b, se.getR(), temp0); GeometryMa...
java
public double depthNView( List<Point2D_F64> obs , List<Se3_F64> motion ) { double top = 0, bottom = 0; Point2D_F64 a = obs.get(0); for( int i = 1; i < obs.size(); i++ ) { Se3_F64 se = motion.get(i-1); Point2D_F64 b = obs.get(i); GeometryMath_F64.multCrossA(b, se.getR(), temp0); GeometryMa...
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Computes the pixel depth from N views of the same object. Pixel depth in the first frame. @param obs List of observations on a single feature in normalized coordinates @param motion List of camera motions. Each index 'i' is the motion from view 0 to view i+1. @return depth of the pixels
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/triangulate/PixelDepthLinearMetric.java#L70-L91
50,303
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/triangulate/PixelDepthLinearMetric.java
PixelDepthLinearMetric.depth2View
public double depth2View( Point2D_F64 a , Point2D_F64 b , Se3_F64 fromAtoB ) { DMatrixRMaj R = fromAtoB.getR(); Vector3D_F64 T = fromAtoB.getT(); GeometryMath_F64.multCrossA(b, R, temp0); GeometryMath_F64.mult(temp0,a,temp1); GeometryMath_F64.cross(b, T, temp2); return -(temp2.x+temp2.y+temp2.z)/(temp1....
java
public double depth2View( Point2D_F64 a , Point2D_F64 b , Se3_F64 fromAtoB ) { DMatrixRMaj R = fromAtoB.getR(); Vector3D_F64 T = fromAtoB.getT(); GeometryMath_F64.multCrossA(b, R, temp0); GeometryMath_F64.mult(temp0,a,temp1); GeometryMath_F64.cross(b, T, temp2); return -(temp2.x+temp2.y+temp2.z)/(temp1....
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Computes pixel depth in image 'a' from two observations. @param a Observation in first frame. In calibrated coordinates. Not modified. @param b Observation in second frame. In calibrated coordinates. Not modified. @param fromAtoB Transform from frame a to frame b. @return Pixel depth in first frame. In same units as...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/triangulate/PixelDepthLinearMetric.java#L101-L112
50,304
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java
ProjectiveStructureByFactorization.initialize
public void initialize( int numFeatures , int numViews ) { depths.reshape(numViews,numFeatures); pixels.reshape(numViews*2,numFeatures); pixelScale = 0; }
java
public void initialize( int numFeatures , int numViews ) { depths.reshape(numViews,numFeatures); pixels.reshape(numViews*2,numFeatures); pixelScale = 0; }
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Initializes internal data structures. Must be called first @param numFeatures Number of features @param numViews Number of views
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java#L98-L102
50,305
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java
ProjectiveStructureByFactorization.setPixels
public void setPixels(int view , List<Point2D_F64> pixelsInView ) { if( pixelsInView.size() != pixels.numCols ) throw new IllegalArgumentException("Pixel count must be constant and match "+pixels.numCols); int row = view*2; for (int i = 0; i < pixelsInView.size(); i++) { Point2D_F64 p = pixelsInView.get(i)...
java
public void setPixels(int view , List<Point2D_F64> pixelsInView ) { if( pixelsInView.size() != pixels.numCols ) throw new IllegalArgumentException("Pixel count must be constant and match "+pixels.numCols); int row = view*2; for (int i = 0; i < pixelsInView.size(); i++) { Point2D_F64 p = pixelsInView.get(i)...
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Sets pixel observations for a paricular view @param view the view @param pixelsInView list of 2D pixel observations
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java#L109-L120
50,306
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java
ProjectiveStructureByFactorization.setDepths
public void setDepths( int view , double featureDepths[] ) { if( featureDepths.length < depths.numCols ) throw new IllegalArgumentException("Pixel count must be constant and match "+pixels.numCols); int N = depths.numCols; for (int i = 0; i < N; i++) { depths.set(view,i, featureDepths[i]); } }
java
public void setDepths( int view , double featureDepths[] ) { if( featureDepths.length < depths.numCols ) throw new IllegalArgumentException("Pixel count must be constant and match "+pixels.numCols); int N = depths.numCols; for (int i = 0; i < N; i++) { depths.set(view,i, featureDepths[i]); } }
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Sets depths for a particular value to the values in the passed in array @param view @param featureDepths
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java#L135-L143
50,307
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java
ProjectiveStructureByFactorization.setDepthsFrom3D
public void setDepthsFrom3D(int view , List<Point3D_F64> locations ) { if( locations.size() != pixels.numCols ) throw new IllegalArgumentException("Pixel count must be constant and match "+pixels.numCols); int N = depths.numCols; for (int i = 0; i < N; i++) { depths.set(view,i, locations.get(i).z ); } }
java
public void setDepthsFrom3D(int view , List<Point3D_F64> locations ) { if( locations.size() != pixels.numCols ) throw new IllegalArgumentException("Pixel count must be constant and match "+pixels.numCols); int N = depths.numCols; for (int i = 0; i < N; i++) { depths.set(view,i, locations.get(i).z ); } }
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Assigns depth to the z value of all the features in the list. Features must be in the coordinate system of the view for this to be correct @param view which view is features are in @param locations Location of features in the view's reference frame
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java#L151-L159
50,308
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java
ProjectiveStructureByFactorization.process
public boolean process() { int numViews = depths.numRows; int numFeatures = depths.numCols; P.reshape(3*numViews,4); X.reshape(4,numFeatures); A.reshape(numViews*3,numFeatures); B.reshape(numViews*3,numFeatures); // Scale depths so that they are close to unity normalizeDepths(depths); // Compute th...
java
public boolean process() { int numViews = depths.numRows; int numFeatures = depths.numCols; P.reshape(3*numViews,4); X.reshape(4,numFeatures); A.reshape(numViews*3,numFeatures); B.reshape(numViews*3,numFeatures); // Scale depths so that they are close to unity normalizeDepths(depths); // Compute th...
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Performs iteration to find camera matrices and feature locations in world frame @return true if no exception was thrown. Does not mean it converged to a valid solution
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java#L165-L212
50,309
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java
ProjectiveStructureByFactorization.getCameraMatrix
public void getCameraMatrix(int view , DMatrixRMaj cameraMatrix ) { cameraMatrix.reshape(3,4); CommonOps_DDRM.extract(P,view*3,0,cameraMatrix); for (int col = 0; col < 4; col++) { cameraMatrix.data[cameraMatrix.getIndex(0,col)] *= pixelScale; cameraMatrix.data[cameraMatrix.getIndex(1,col)] *= pixelScale; ...
java
public void getCameraMatrix(int view , DMatrixRMaj cameraMatrix ) { cameraMatrix.reshape(3,4); CommonOps_DDRM.extract(P,view*3,0,cameraMatrix); for (int col = 0; col < 4; col++) { cameraMatrix.data[cameraMatrix.getIndex(0,col)] *= pixelScale; cameraMatrix.data[cameraMatrix.getIndex(1,col)] *= pixelScale; ...
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Used to get found camera matrix for a view @param view Which view @param cameraMatrix storage for 3x4 projective camera matrix
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java#L219-L227
50,310
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java
ProjectiveStructureByFactorization.getFeature3D
public void getFeature3D( int feature , Point4D_F64 out ) { out.x = X.get(0,feature); out.y = X.get(1,feature); out.z = X.get(2,feature); out.w = X.get(3,feature); }
java
public void getFeature3D( int feature , Point4D_F64 out ) { out.x = X.get(0,feature); out.y = X.get(1,feature); out.z = X.get(2,feature); out.w = X.get(3,feature); }
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Returns location of 3D feature for a view @param feature Index of feature to retrieve @param out (Output) Storage for 3D feature. homogenous coordinates
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/structure/ProjectiveStructureByFactorization.java#L234-L239
50,311
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/feature/disparity/impl/ImplDisparityScoreSadRectFive_U8.java
ImplDisparityScoreSadRectFive_U8.computeScoreFive
protected void computeScoreFive( int top[] , int middle[] , int bottom[] , int score[] , int width ) { // disparity as the outer loop to maximize common elements in inner loops, reducing redundant calculations for( int d = minDisparity; d < maxDisparity; d++ ) { // take in account the different in image border...
java
protected void computeScoreFive( int top[] , int middle[] , int bottom[] , int score[] , int width ) { // disparity as the outer loop to maximize common elements in inner loops, reducing redundant calculations for( int d = minDisparity; d < maxDisparity; d++ ) { // take in account the different in image border...
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Compute the final score by sampling the 5 regions. Four regions are sampled around the center region. Out of those four only the two with the smallest score are used.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/feature/disparity/impl/ImplDisparityScoreSadRectFive_U8.java#L149-L194
50,312
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalTransfer.java
TrifocalTransfer.setTrifocal
public void setTrifocal(TrifocalTensor tensor ) { this.tensor = tensor; extract.setTensor(tensor); extract.extractFundmental(F21,F31); }
java
public void setTrifocal(TrifocalTensor tensor ) { this.tensor = tensor; extract.setTensor(tensor); extract.extractFundmental(F21,F31); }
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Specify the trifocaltensor @param tensor tensor
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalTransfer.java#L59-L63
50,313
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalTransfer.java
TrifocalTransfer.transfer_1_to_3
public void transfer_1_to_3(double x1 , double y1 , double x2 , double y2 , Point3D_F64 p3) { // Adjust the observations so that they lie on the epipolar lines exactly adjuster.process(F21,x1,y1,x2,y2,pa,pb); GeometryMath_F64.mult(F21,pa,la); // line through pb and perpendicular to la l.x = la.y; ...
java
public void transfer_1_to_3(double x1 , double y1 , double x2 , double y2 , Point3D_F64 p3) { // Adjust the observations so that they lie on the epipolar lines exactly adjuster.process(F21,x1,y1,x2,y2,pa,pb); GeometryMath_F64.mult(F21,pa,la); // line through pb and perpendicular to la l.x = la.y; ...
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Transfer a point to third view give its observed location in view one and two. @param x1 (Input) Observation in view 1. pixels. @param y1 (Input) Observation in view 1. pixels. @param x2 (Input) Observation in view 2. pixels. @param y2 (Input) Observation in view 2. pixels. @param p3 (Output) Estimated location in vie...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalTransfer.java#L74-L88
50,314
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalTransfer.java
TrifocalTransfer.transfer_1_to_2
public void transfer_1_to_2(double x1 , double y1 , double x3 , double y3 , Point3D_F64 p2) { // Adjust the observations so that they lie on the epipolar lines exactly adjuster.process(F31,x1,y1,x3,y3,pa,pb); GeometryMath_F64.multTran(F31,pa,la); // line through pb and perpendicular to la l.x = la....
java
public void transfer_1_to_2(double x1 , double y1 , double x3 , double y3 , Point3D_F64 p2) { // Adjust the observations so that they lie on the epipolar lines exactly adjuster.process(F31,x1,y1,x3,y3,pa,pb); GeometryMath_F64.multTran(F31,pa,la); // line through pb and perpendicular to la l.x = la....
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Transfer a point to third view give its observed location in view one and three. @param x1 (Input) Observation in view 1. pixels. @param y1 (Input) Observation in view 1. pixels. @param x3 (Input) Observation in view 3. pixels. @param y3 (Input) Observation in view 3. pixels. @param p2 (Output) Estimated location in v...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/trifocal/TrifocalTransfer.java#L99-L113
50,315
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/deepboof/BaseImageClassifier.java
BaseImageClassifier.classify
@Override public void classify(Planar<GrayF32> image) { DataManipulationOps.imageToTensor(preprocess(image),tensorInput,0); innerProcess(tensorInput); }
java
@Override public void classify(Planar<GrayF32> image) { DataManipulationOps.imageToTensor(preprocess(image),tensorInput,0); innerProcess(tensorInput); }
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The original implementation takes in an image then crops it randomly. This is primarily for training but is replicated here to reduce the number of differences @param image Image being processed. Must be RGB image. Pixel values must have values from 0 to 255.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/deepboof/BaseImageClassifier.java#L95-L99
50,316
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/feature/disparity/impl/UtilDisparityScore.java
UtilDisparityScore.computeScoreRow
public static void computeScoreRow(GrayU8 left, GrayU8 right, int row, int[] scores, int minDisparity , int maxDisparity , int regionWidth , int elementScore[] ) { // disparity as the outer loop to maximize common elements in inner loops, reducing redundant calculations for( int d = minDisp...
java
public static void computeScoreRow(GrayU8 left, GrayU8 right, int row, int[] scores, int minDisparity , int maxDisparity , int regionWidth , int elementScore[] ) { // disparity as the outer loop to maximize common elements in inner loops, reducing redundant calculations for( int d = minDisp...
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Computes disparity score for an entire row. For a given disparity, the score for each region on the left share many components in common. Because of this the scores are computed with disparity being the outer most loop @param left left image @param right Right image @param row Image row being examined @param scores S...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/feature/disparity/impl/UtilDisparityScore.java#L47-L80
50,317
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/feature/disparity/impl/UtilDisparityScore.java
UtilDisparityScore.computeScoreRowSad
public static void computeScoreRowSad(GrayF32 left, GrayF32 right, int elementMax, int indexLeft, int indexRight, float elementScore[]) { for( int rCol = 0; rCol < elementMax; rCol++ ) { float diff = (left.data[ indexLeft++ ]) - (right.data[ indexRight++ ]); elementScore[rCol] = Math.a...
java
public static void computeScoreRowSad(GrayF32 left, GrayF32 right, int elementMax, int indexLeft, int indexRight, float elementScore[]) { for( int rCol = 0; rCol < elementMax; rCol++ ) { float diff = (left.data[ indexLeft++ ]) - (right.data[ indexRight++ ]); elementScore[rCol] = Math.a...
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compute the score for each element all at once to encourage the JVM to optimize and encourage the JVM to optimize this section of code. Was original inline, but was actually slightly slower by about 3% consistently, It is in its own function so that it can be overridden and have different cost functions inserted easi...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/feature/disparity/impl/UtilDisparityScore.java#L228-L237
50,318
lessthanoptimal/BoofCV
examples/src/main/java/boofcv/examples/sfm/ExamplePnP.java
ExamplePnP.estimateOutliers
public Se3_F64 estimateOutliers( List<Point2D3D> observations ) { // We can no longer trust that each point is a real observation. Let's use RANSAC to separate the points // You will need to tune the number of iterations and inlier threshold!!! ModelMatcherMultiview<Se3_F64,Point2D3D> ransac = FactoryMultiVi...
java
public Se3_F64 estimateOutliers( List<Point2D3D> observations ) { // We can no longer trust that each point is a real observation. Let's use RANSAC to separate the points // You will need to tune the number of iterations and inlier threshold!!! ModelMatcherMultiview<Se3_F64,Point2D3D> ransac = FactoryMultiVi...
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Uses robust techniques to remove outliers
[ "Uses", "robust", "techniques", "to", "remove", "outliers" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/examples/src/main/java/boofcv/examples/sfm/ExamplePnP.java#L117-L141
50,319
lessthanoptimal/BoofCV
examples/src/main/java/boofcv/examples/sfm/ExamplePnP.java
ExamplePnP.addOutliers
public void addOutliers( List<Point2D3D> observations , int total ) { int size = observations.size(); for (int i = 0; i < total; i++) { // outliers will be created by adding lots of noise to real observations Point2D3D p = observations.get(rand.nextInt(size)); Point2D3D o = new Point2D3D(); o.observa...
java
public void addOutliers( List<Point2D3D> observations , int total ) { int size = observations.size(); for (int i = 0; i < total; i++) { // outliers will be created by adding lots of noise to real observations Point2D3D p = observations.get(rand.nextInt(size)); Point2D3D o = new Point2D3D(); o.observa...
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Adds some really bad observations to the mix
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/examples/src/main/java/boofcv/examples/sfm/ExamplePnP.java#L192-L211
50,320
lessthanoptimal/BoofCV
integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java
SelectAlgorithmAndInputPanel.loadInputData
@Override public void loadInputData(String fileName) { Reader r = media.openFile(fileName); List<PathLabel> refs = new ArrayList<>(); try { BufferedReader reader = new BufferedReader(r); String line; while( (line = reader.readLine()) != null ) { String[]z = line.split(":"); String[] names = n...
java
@Override public void loadInputData(String fileName) { Reader r = media.openFile(fileName); List<PathLabel> refs = new ArrayList<>(); try { BufferedReader reader = new BufferedReader(r); String line; while( (line = reader.readLine()) != null ) { String[]z = line.split(":"); String[] names = n...
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Loads a standardized file for input references @param fileName path to config file
[ "Loads", "a", "standardized", "file", "for", "input", "references" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java#L108-L133
50,321
lessthanoptimal/BoofCV
integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java
SelectAlgorithmAndInputPanel.addToToolbar
public void addToToolbar( JComponent comp ) { toolbar.add(comp,1+algBoxes.length); toolbar.revalidate(); addedComponents.add(comp); }
java
public void addToToolbar( JComponent comp ) { toolbar.add(comp,1+algBoxes.length); toolbar.revalidate(); addedComponents.add(comp); }
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Adds a new component into the toolbar. @param comp The component being added
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java#L147-L151
50,322
lessthanoptimal/BoofCV
integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java
SelectAlgorithmAndInputPanel.setMainGUI
public void setMainGUI( final Component gui ) { postAlgorithmEvents = true; this.gui = gui; SwingUtilities.invokeLater(new Runnable() { public void run() { add(gui,BorderLayout.CENTER); }}); }
java
public void setMainGUI( final Component gui ) { postAlgorithmEvents = true; this.gui = gui; SwingUtilities.invokeLater(new Runnable() { public void run() { add(gui,BorderLayout.CENTER); }}); }
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Used to add the main GUI to this panel. Must use this function. Algorithm change events will not be posted until this function has been set. @param gui The main GUI being displayed.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java#L165-L172
50,323
lessthanoptimal/BoofCV
integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java
SelectAlgorithmAndInputPanel.setInputImage
public void setInputImage( BufferedImage image ) { inputImage = image; SwingUtilities.invokeLater(new Runnable() { public void run() { if( inputImage == null ) { originalCheck.setEnabled(false); } else { originalCheck.setEnabled(true); origPanel.setImage(inputImage); origPanel.setPref...
java
public void setInputImage( BufferedImage image ) { inputImage = image; SwingUtilities.invokeLater(new Runnable() { public void run() { if( inputImage == null ) { originalCheck.setEnabled(false); } else { originalCheck.setEnabled(true); origPanel.setImage(inputImage); origPanel.setPref...
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Specifies an image which contains the original input image. After this has been called the view input image widget is activated and when selected this image will be displayed instead of the main GUI. This functionality is optional. @param image Original input image.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java#L181-L194
50,324
lessthanoptimal/BoofCV
integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java
SelectAlgorithmAndInputPanel.setInputList
public void setInputList(final List<PathLabel> inputRefs) { this.inputRefs = inputRefs; SwingUtilities.invokeLater(new Runnable() { public void run() { for( int i = 0; i < inputRefs.size(); i++ ) { imageBox.addItem(inputRefs.get(i).getLabel()); } }}); }
java
public void setInputList(final List<PathLabel> inputRefs) { this.inputRefs = inputRefs; SwingUtilities.invokeLater(new Runnable() { public void run() { for( int i = 0; i < inputRefs.size(); i++ ) { imageBox.addItem(inputRefs.get(i).getLabel()); } }}); }
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Specifies a list of images to use as input and loads them @param inputRefs Name of input and where to get it
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java#L201-L210
50,325
lessthanoptimal/BoofCV
integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java
SelectAlgorithmAndInputPanel.getAlgorithmCookie
protected <T> T getAlgorithmCookie( int indexFamily ) { return (T)algCookies[indexFamily].get( algBoxes[indexFamily].getSelectedIndex() ); }
java
protected <T> T getAlgorithmCookie( int indexFamily ) { return (T)algCookies[indexFamily].get( algBoxes[indexFamily].getSelectedIndex() ); }
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Returns the cookie associated with the specified algorithm family.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-swing/src/main/java/boofcv/gui/SelectAlgorithmAndInputPanel.java#L266-L268
50,326
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/BaseDetectFiducialSquare.java
BaseDetectFiducialSquare.checkSideSize
private boolean checkSideSize( Polygon2D_F64 p ) { double max=0,min=Double.MAX_VALUE; for (int i = 0; i < p.size(); i++) { double l = p.getSideLength(i); max = Math.max(max,l); min = Math.min(min,l); } // See if a side is too small to decode if( min < 10 ) return false; // see if it's under e...
java
private boolean checkSideSize( Polygon2D_F64 p ) { double max=0,min=Double.MAX_VALUE; for (int i = 0; i < p.size(); i++) { double l = p.getSideLength(i); max = Math.max(max,l); min = Math.min(min,l); } // See if a side is too small to decode if( min < 10 ) return false; // see if it's under e...
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Sanity check the polygon based on the size of its sides to see if it could be a fiducial that can be decoded
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/BaseDetectFiducialSquare.java#L325-L340
50,327
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/BaseDetectFiducialSquare.java
BaseDetectFiducialSquare.computeFractionBoundary
protected double computeFractionBoundary( float pixelThreshold ) { // TODO ignore outer pixels from this computation. Will require 8 regions (4 corners + top/bottom + left/right) final int w = square.width; int radius = (int) (w * borderWidthFraction); int innerWidth = w-2*radius; int total = w*w - innerWid...
java
protected double computeFractionBoundary( float pixelThreshold ) { // TODO ignore outer pixels from this computation. Will require 8 regions (4 corners + top/bottom + left/right) final int w = square.width; int radius = (int) (w * borderWidthFraction); int innerWidth = w-2*radius; int total = w*w - innerWid...
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Computes the fraction of pixels inside the image border which are black @param pixelThreshold Pixel's less than this value are considered black @return fraction of border that's black
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/BaseDetectFiducialSquare.java#L359-L392
50,328
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/BaseDetectFiducialSquare.java
BaseDetectFiducialSquare.prepareForOutput
private void prepareForOutput(Polygon2D_F64 imageShape, Result result) { // the rotation estimate, apply in counter clockwise direction // since result.rotation is a clockwise rotation in the visual sense, which // is CCW on the grid int rotationCCW = (4-result.rotation)%4; for (int j = 0; j < rotationCCW; j+...
java
private void prepareForOutput(Polygon2D_F64 imageShape, Result result) { // the rotation estimate, apply in counter clockwise direction // since result.rotation is a clockwise rotation in the visual sense, which // is CCW on the grid int rotationCCW = (4-result.rotation)%4; for (int j = 0; j < rotationCCW; j+...
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Takes the found quadrilateral and the computed 3D information and prepares it for output
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/BaseDetectFiducialSquare.java#L397-L414
50,329
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/segmentation/ms/MergeRegionMeanShift.java
MergeRegionMeanShift.process
public void process( GrayS32 pixelToRegion , GrowQueue_I32 regionMemberCount, FastQueue<float[]> regionColor , FastQueue<Point2D_I32> modeLocation ) { stopRequested = false; initializeMerge(regionMemberCount.size); markMergeRegions(regionColor,modeLocation,pixelToRegion); if( stopRequested...
java
public void process( GrayS32 pixelToRegion , GrowQueue_I32 regionMemberCount, FastQueue<float[]> regionColor , FastQueue<Point2D_I32> modeLocation ) { stopRequested = false; initializeMerge(regionMemberCount.size); markMergeRegions(regionColor,modeLocation,pixelToRegion); if( stopRequested...
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Merges together similar regions which are in close proximity to each other. After merging most of the input data structures are modified to take in account the changes. @param pixelToRegion (Input/output) Image that specifies the segmentation. Modified. @param regionMemberCount (Input/output) Number of pixels in ea...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/segmentation/ms/MergeRegionMeanShift.java#L65-L77
50,330
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/segmentation/ms/MergeRegionMeanShift.java
MergeRegionMeanShift.markMergeRegions
protected void markMergeRegions(FastQueue<float[]> regionColor, FastQueue<Point2D_I32> modeLocation, GrayS32 pixelToRegion ) { for( int targetId = 0; targetId < modeLocation.size &&!stopRequested; targetId++ ) { float[] color = regionColor.get(targetId); Point2D_I32 location = modeLocation.g...
java
protected void markMergeRegions(FastQueue<float[]> regionColor, FastQueue<Point2D_I32> modeLocation, GrayS32 pixelToRegion ) { for( int targetId = 0; targetId < modeLocation.size &&!stopRequested; targetId++ ) { float[] color = regionColor.get(targetId); Point2D_I32 location = modeLocation.g...
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Takes the mode of a region and searches the local area around it for other regions. If the region's mode is also within the local area its color is checked to see if it's similar enough. If the color is similar enough then the two regions are marked for merger.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/segmentation/ms/MergeRegionMeanShift.java#L84-L129
50,331
lessthanoptimal/BoofCV
integration/boofcv-jcodec/src/main/java/boofcv/io/jcodec/UtilJCodec.java
UtilJCodec.convertToBoof
public static void convertToBoof(Picture input, ImageBase output) { if( input.getColor() == ColorSpace.RGB ) { ImplConvertJCodecPicture.RGB_to_PLU8(input, (Planar) output); } else if( input.getColor() == ColorSpace.YUV420 ) { if( output instanceof Planar) { Planar ms = (Planar)output; if( ms.getImageT...
java
public static void convertToBoof(Picture input, ImageBase output) { if( input.getColor() == ColorSpace.RGB ) { ImplConvertJCodecPicture.RGB_to_PLU8(input, (Planar) output); } else if( input.getColor() == ColorSpace.YUV420 ) { if( output instanceof Planar) { Planar ms = (Planar)output; if( ms.getImageT...
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Converts an image in JCodec format into one in BoofCV format. @param input JCodec image @param output BoofCV image
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-jcodec/src/main/java/boofcv/io/jcodec/UtilJCodec.java#L34-L53
50,332
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/pose/PositionFromPairLinear2.java
PositionFromPairLinear2.process
public boolean process( DMatrixRMaj R , List<Point3D_F64> worldPts , List<Point2D_F64> observed ) { if( worldPts.size() != observed.size() ) throw new IllegalArgumentException("Number of worldPts and observed must be the same"); if( worldPts.size() < 2 ) throw new IllegalArgumentException("A minimum of two p...
java
public boolean process( DMatrixRMaj R , List<Point3D_F64> worldPts , List<Point2D_F64> observed ) { if( worldPts.size() != observed.size() ) throw new IllegalArgumentException("Number of worldPts and observed must be the same"); if( worldPts.size() < 2 ) throw new IllegalArgumentException("A minimum of two p...
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Computes the translation given two or more feature observations and the known rotation @param R Rotation matrix. World to view. @param worldPts Location of features in world coordinates. @param observed Observations of point in current view. Normalized coordinates. @return true if it succeeded.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/pose/PositionFromPairLinear2.java#L78-L121
50,333
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetectorPixel.java
BinaryEllipseDetectorPixel.process
public void process( GrayU8 binary ) { found.reset(); labeled.reshape(binary.width, binary.height); contourFinder.process(binary, labeled); List<ContourPacked> blobs = contourFinder.getContours(); for (int i = 0; i < blobs.size(); i++) { ContourPacked c = blobs.get(i); contourFinder.loadContour(c.ext...
java
public void process( GrayU8 binary ) { found.reset(); labeled.reshape(binary.width, binary.height); contourFinder.process(binary, labeled); List<ContourPacked> blobs = contourFinder.getContours(); for (int i = 0; i < blobs.size(); i++) { ContourPacked c = blobs.get(i); contourFinder.loadContour(c.ext...
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Finds all valid ellipses in the binary image @param binary binary image
[ "Finds", "all", "valid", "ellipses", "in", "the", "binary", "image" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetectorPixel.java#L132-L152
50,334
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetectorPixel.java
BinaryEllipseDetectorPixel.adjustElipseForBinaryBias
protected void adjustElipseForBinaryBias( EllipseRotated_F64 ellipse ) { ellipse.center.x += 0.5; ellipse.center.y += 0.5; ellipse.a += 0.5; ellipse.b += 0.5; }
java
protected void adjustElipseForBinaryBias( EllipseRotated_F64 ellipse ) { ellipse.center.x += 0.5; ellipse.center.y += 0.5; ellipse.a += 0.5; ellipse.b += 0.5; }
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In a binary image the contour on the right and bottom is off by one pixel. This is because the block region extends the entire pixel not just the lower extent which is where it is indexed from.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetectorPixel.java#L210-L216
50,335
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetectorPixel.java
BinaryEllipseDetectorPixel.undistortContour
void undistortContour(List<Point2D_I32> external, FastQueue<Point2D_F64> pointsF ) { for (int j = 0; j < external.size(); j++) { Point2D_I32 p = external.get(j); if( distToUndist != null ) { distToUndist.compute(p.x,p.y,distortedPoint); pointsF.grow().set( distortedPoint.x , distortedPoint.y ); } el...
java
void undistortContour(List<Point2D_I32> external, FastQueue<Point2D_F64> pointsF ) { for (int j = 0; j < external.size(); j++) { Point2D_I32 p = external.get(j); if( distToUndist != null ) { distToUndist.compute(p.x,p.y,distortedPoint); pointsF.grow().set( distortedPoint.x , distortedPoint.y ); } el...
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Undistort the contour points and convert into a floating point format for the fitting operation @param external The external contour @param pointsF Output of converted points
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetectorPixel.java#L239-L250
50,336
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetectorPixel.java
BinaryEllipseDetectorPixel.isApproximatelyElliptical
boolean isApproximatelyElliptical(EllipseRotated_F64 ellipse , List<Point2D_F64> points , int maxSamples ) { closestPoint.setEllipse(ellipse); double maxDistance2 = maxDistanceFromEllipse*maxDistanceFromEllipse; if( points.size() <= maxSamples ) { for( int i = 0; i < points.size(); i++ ) { Point2D_F64 p...
java
boolean isApproximatelyElliptical(EllipseRotated_F64 ellipse , List<Point2D_F64> points , int maxSamples ) { closestPoint.setEllipse(ellipse); double maxDistance2 = maxDistanceFromEllipse*maxDistanceFromEllipse; if( points.size() <= maxSamples ) { for( int i = 0; i < points.size(); i++ ) { Point2D_F64 p...
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Look at the maximum distance contour points are from the ellipse and see if they exceed a maximum threshold
[ "Look", "at", "the", "maximum", "distance", "contour", "points", "are", "from", "the", "ellipse", "and", "see", "if", "they", "exceed", "a", "maximum", "threshold" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/shapes/ellipse/BinaryEllipseDetectorPixel.java#L255-L283
50,337
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/chess/ChessboardPolygonHelper.java
ChessboardPolygonHelper.filterPixelPolygon
@Override public boolean filterPixelPolygon(Polygon2D_F64 undistorted , Polygon2D_F64 distorted, GrowQueue_B touches, boolean touchesBorder) { if( touchesBorder ) { if( distorted.size() < 3) return false; int totalRegular = distorted.size(); for (int i = 0; i < distorted.size(); i++) { i...
java
@Override public boolean filterPixelPolygon(Polygon2D_F64 undistorted , Polygon2D_F64 distorted, GrowQueue_B touches, boolean touchesBorder) { if( touchesBorder ) { if( distorted.size() < 3) return false; int totalRegular = distorted.size(); for (int i = 0; i < distorted.size(); i++) { i...
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If not touching the border then the number of corners must be 4. If touching the border there must be at least 3 corners not touching the border. 7 corners at most. If there were 8 then all sides of a square would be touching the border. No more than 3 corners since that's the most number of non-border corners a ...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/chess/ChessboardPolygonHelper.java#L57-L74
50,338
lessthanoptimal/BoofCV
integration/boofcv-ffmpeg/src/main/java/org/bytedeco/copiedstuff/Java2DFrameConverter.java
Java2DFrameConverter.getFrame
public Frame getFrame(BufferedImage image, double gamma, boolean flipChannels) { if (image == null) { return null; } SampleModel sm = image.getSampleModel(); int depth = 0, numChannels = sm.getNumBands(); switch (image.getType()) { case BufferedImage.TYPE_INT_RGB: case BufferedImage.TYPE_INT_ARGB: ...
java
public Frame getFrame(BufferedImage image, double gamma, boolean flipChannels) { if (image == null) { return null; } SampleModel sm = image.getSampleModel(); int depth = 0, numChannels = sm.getNumBands(); switch (image.getType()) { case BufferedImage.TYPE_INT_RGB: case BufferedImage.TYPE_INT_ARGB: ...
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Returns a Frame based on a BufferedImage, given gamma, and inverted channels flag.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/integration/boofcv-ffmpeg/src/main/java/org/bytedeco/copiedstuff/Java2DFrameConverter.java#L680-L712
50,339
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/GaliosFieldOps.java
GaliosFieldOps.multiply
public static int multiply( int x , int y , int primitive , int domain ) { int r = 0; while( y > 0 ) { if( (y&1) != 0 ) { r = r ^ x; } y = y >> 1; x = x << 1; if( x >= domain) { x ^= primitive; } } return r; }
java
public static int multiply( int x , int y , int primitive , int domain ) { int r = 0; while( y > 0 ) { if( (y&1) != 0 ) { r = r ^ x; } y = y >> 1; x = x << 1; if( x >= domain) { x ^= primitive; } } return r; }
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Implementation of multiplication with a primitive polynomial. The result will be a member of the same field as the inputs, provided primitive is an appropriate irreducible polynomial for that field. Uses 'Russian Peasant Multiplication' that should be a faster algorithm. @param x polynomial @param y polynomial @param...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/GaliosFieldOps.java#L76-L90
50,340
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/DetectCircleHexagonalGrid.java
DetectCircleHexagonalGrid.isClockWise
private static boolean isClockWise( Grid g ) { EllipseRotated_F64 v00 = g.get(0,0); EllipseRotated_F64 v02 = g.columns<3?g.get(1,1):g.get(0,2); EllipseRotated_F64 v20 = g.rows<3?g.get(1,1):g.get(2,0); double a_x = v02.center.x - v00.center.x; double a_y = v02.center.y - v00.center.y; double b_x = v20.cent...
java
private static boolean isClockWise( Grid g ) { EllipseRotated_F64 v00 = g.get(0,0); EllipseRotated_F64 v02 = g.columns<3?g.get(1,1):g.get(0,2); EllipseRotated_F64 v20 = g.rows<3?g.get(1,1):g.get(2,0); double a_x = v02.center.x - v00.center.x; double a_y = v02.center.y - v00.center.y; double b_x = v20.cent...
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Uses the cross product to determine if the grid is in clockwise order
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/calib/circle/DetectCircleHexagonalGrid.java#L136-L148
50,341
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java
FDistort.init
public FDistort init(ImageBase input, ImageBase output) { this.input = input; this.output = output; inputType = input.getImageType(); interp(InterpolationType.BILINEAR); border(0); cached = false; distorter = null; outputToInput = null; return this; }
java
public FDistort init(ImageBase input, ImageBase output) { this.input = input; this.output = output; inputType = input.getImageType(); interp(InterpolationType.BILINEAR); border(0); cached = false; distorter = null; outputToInput = null; return this; }
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Specifies the input and output image and sets interpolation to BILINEAR, black image border, cache is off.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java#L97-L110
50,342
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java
FDistort.setRefs
public FDistort setRefs( ImageBase input, ImageBase output ) { this.input = input; this.output = output; inputType = input.getImageType(); return this; }
java
public FDistort setRefs( ImageBase input, ImageBase output ) { this.input = input; this.output = output; inputType = input.getImageType(); return this; }
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All this does is set the references to the images. Nothing else is changed and its up to the user to correctly update everything else. If called the first time you need to do the following <pre> 1) specify the interpolation method 2) specify the transform 3) specify the border </pre> If called again and the image sh...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java#L128-L134
50,343
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java
FDistort.input
public FDistort input( ImageBase input ) { if( this.input == null || this.input.width != input.width || this.input.height != input.height ) { distorter = null; } this.input = input; inputType = input.getImageType(); return this; }
java
public FDistort input( ImageBase input ) { if( this.input == null || this.input.width != input.width || this.input.height != input.height ) { distorter = null; } this.input = input; inputType = input.getImageType(); return this; }
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Changes the input image. The previous distortion is thrown away only if the input image has a different shape
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java#L140-L147
50,344
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java
FDistort.output
public FDistort output( ImageBase output ) { if( this.output == null || this.output.width != output.width || this.output.height != output.height ) { distorter = null; } this.output = output; return this; }
java
public FDistort output( ImageBase output ) { if( this.output == null || this.output.width != output.width || this.output.height != output.height ) { distorter = null; } this.output = output; return this; }
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Changes the output image. The previous distortion is thrown away only if the output image has a different shape
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java#L153-L159
50,345
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java
FDistort.border
public FDistort border( BorderType type ) { if( borderType == type ) return this; borderType = type; return border(FactoryImageBorder.generic(type, inputType)); }
java
public FDistort border( BorderType type ) { if( borderType == type ) return this; borderType = type; return border(FactoryImageBorder.generic(type, inputType)); }
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Sets the border by type.
[ "Sets", "the", "border", "by", "type", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java#L172-L177
50,346
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java
FDistort.border
public FDistort border( double value ) { // to recycle here the value also needs to be saved // if( borderType == BorderType.VALUE ) // return this; borderType = BorderType.ZERO; return border(FactoryImageBorder.genericValue(value, inputType)); }
java
public FDistort border( double value ) { // to recycle here the value also needs to be saved // if( borderType == BorderType.VALUE ) // return this; borderType = BorderType.ZERO; return border(FactoryImageBorder.genericValue(value, inputType)); }
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Sets the border to a fixed gray-scale value
[ "Sets", "the", "border", "to", "a", "fixed", "gray", "-", "scale", "value" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java#L182-L188
50,347
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java
FDistort.interp
public FDistort interp(InterpolationType type) { distorter = null; this.interp = FactoryInterpolation.createPixel(0, 255, type, BorderType.EXTENDED, inputType); return this; }
java
public FDistort interp(InterpolationType type) { distorter = null; this.interp = FactoryInterpolation.createPixel(0, 255, type, BorderType.EXTENDED, inputType); return this; }
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Specifies the interpolation used by type.
[ "Specifies", "the", "interpolation", "used", "by", "type", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java#L215-L220
50,348
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java
FDistort.affine
public FDistort affine(double a11, double a12, double a21, double a22, double dx, double dy) { PixelTransformAffine_F32 transform; if( outputToInput != null && outputToInput instanceof PixelTransformAffine_F32 ) { transform = (PixelTransformAffine_F32)outputToInput; } else { transform = new Pixel...
java
public FDistort affine(double a11, double a12, double a21, double a22, double dx, double dy) { PixelTransformAffine_F32 transform; if( outputToInput != null && outputToInput instanceof PixelTransformAffine_F32 ) { transform = (PixelTransformAffine_F32)outputToInput; } else { transform = new Pixel...
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Affine transform from input to output
[ "Affine", "transform", "from", "input", "to", "output" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java#L256-L279
50,349
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java
FDistort.rotate
public FDistort rotate( double angleInputToOutput ) { PixelTransform<Point2D_F32> outputToInput = DistortSupport.transformRotate(input.width/2,input.height/2, output.width/2,output.height/2,(float)angleInputToOutput); return transform(outputToInput); }
java
public FDistort rotate( double angleInputToOutput ) { PixelTransform<Point2D_F32> outputToInput = DistortSupport.transformRotate(input.width/2,input.height/2, output.width/2,output.height/2,(float)angleInputToOutput); return transform(outputToInput); }
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Applies a distortion which will rotate the input image by the specified amount.
[ "Applies", "a", "distortion", "which", "will", "rotate", "the", "input", "image", "by", "the", "specified", "amount", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java#L316-L321
50,350
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java
FDistort.apply
public void apply() { // see if the distortion class needs to be created again if( distorter == null ) { Class typeOut = output.getImageType().getImageClass(); switch( input.getImageType().getFamily() ) { case GRAY: distorter = FactoryDistort.distortSB(cached, (InterpolatePixelS)interp, typeOut); ...
java
public void apply() { // see if the distortion class needs to be created again if( distorter == null ) { Class typeOut = output.getImageType().getImageClass(); switch( input.getImageType().getFamily() ) { case GRAY: distorter = FactoryDistort.distortSB(cached, (InterpolatePixelS)interp, typeOut); ...
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Applies the distortion.
[ "Applies", "the", "distortion", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/abst/distort/FDistort.java#L326-L350
50,351
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/impl/ProjectiveToIdentity.java
ProjectiveToIdentity.process
public boolean process( DMatrixRMaj P ) { if( !svd.decompose(P) ) return false; svd.getU(Ut,true); svd.getV(V,false); double sv[] = svd.getSingularValues(); SingularOps_DDRM.descendingOrder(Ut,true,sv,3,V,false); // compute W+, which is transposed and non-negative inverted for (int i = 0; i < 3; i++...
java
public boolean process( DMatrixRMaj P ) { if( !svd.decompose(P) ) return false; svd.getU(Ut,true); svd.getV(V,false); double sv[] = svd.getSingularValues(); SingularOps_DDRM.descendingOrder(Ut,true,sv,3,V,false); // compute W+, which is transposed and non-negative inverted for (int i = 0; i < 3; i++...
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Compute projective transform that converts P into identity @param P (Input) 3x4 camera matrix @return true if no errors
[ "Compute", "projective", "transform", "that", "converts", "P", "into", "identity" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/impl/ProjectiveToIdentity.java#L52-L76
50,352
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/impl/ProjectiveToIdentity.java
ProjectiveToIdentity.computeH
public void computeH( DMatrixRMaj H ) { H.reshape(4,4); CommonOps_DDRM.insert(PA,H,0,0); for (int i = 0; i < 4; i++) { H.unsafe_set(i,3,ns.data[i]); } }
java
public void computeH( DMatrixRMaj H ) { H.reshape(4,4); CommonOps_DDRM.insert(PA,H,0,0); for (int i = 0; i < 4; i++) { H.unsafe_set(i,3,ns.data[i]); } }
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Retrieve projective transform H
[ "Retrieve", "projective", "transform", "H" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/impl/ProjectiveToIdentity.java#L81-L90
50,353
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/bundle/jacobians/JacobianSo3Numerical.java
JacobianSo3Numerical.init
public void init() { N = getParameterLength(); jacR = new DMatrixRMaj[N]; for (int i = 0; i < N; i++) { jacR[i] = new DMatrixRMaj(3,3); } jacobian = new DMatrixRMaj(N,9); paramInternal = new double[N]; numericalJac = createNumericalAlgorithm(function); }
java
public void init() { N = getParameterLength(); jacR = new DMatrixRMaj[N]; for (int i = 0; i < N; i++) { jacR[i] = new DMatrixRMaj(3,3); } jacobian = new DMatrixRMaj(N,9); paramInternal = new double[N]; numericalJac = createNumericalAlgorithm(function); }
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Initializes data structures. Separate function to make it easier to extend the class
[ "Initializes", "data", "structures", ".", "Separate", "function", "to", "make", "it", "easier", "to", "extend", "the", "class" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/bundle/jacobians/JacobianSo3Numerical.java#L49-L58
50,354
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/abst/geo/bundle/SceneObservations.java
SceneObservations.checkOneObservationPerView
public void checkOneObservationPerView() { for (int viewIdx = 0; viewIdx < views.length; viewIdx++) { SceneObservations.View v = views[viewIdx]; for (int obsIdx = 0; obsIdx < v.size(); obsIdx++) { int a = v.point.get(obsIdx); for (int i = obsIdx+1; i < v.size(); i++) { if( a == v.point.get(i)) { ...
java
public void checkOneObservationPerView() { for (int viewIdx = 0; viewIdx < views.length; viewIdx++) { SceneObservations.View v = views[viewIdx]; for (int obsIdx = 0; obsIdx < v.size(); obsIdx++) { int a = v.point.get(obsIdx); for (int i = obsIdx+1; i < v.size(); i++) { if( a == v.point.get(i)) { ...
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Makes sure that each feature is only observed in each view
[ "Makes", "sure", "that", "each", "feature", "is", "only", "observed", "in", "each", "view" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/abst/geo/bundle/SceneObservations.java#L166-L179
50,355
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/misc/ProfileOperation.java
ProfileOperation.profile
public static void profile( Performer performer , int num ) { long deltaTime = measureTime(performer,num); System.out.printf("%30s time = %8d ms per frame = %8.3f\n", performer.getName(),deltaTime,(deltaTime/(double)num)); // System.out.println(performer.getClass().getSimpleName...
java
public static void profile( Performer performer , int num ) { long deltaTime = measureTime(performer,num); System.out.printf("%30s time = %8d ms per frame = %8.3f\n", performer.getName(),deltaTime,(deltaTime/(double)num)); // System.out.println(performer.getClass().getSimpleName...
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See how long it takes to run the process 'num' times and print the results to standard out
[ "See", "how", "long", "it", "takes", "to", "run", "the", "process", "num", "times", "and", "print", "the", "results", "to", "standard", "out" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/misc/ProfileOperation.java#L31-L39
50,356
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/segmentation/fh04/SegmentFelzenszwalbHuttenlocher04.java
SegmentFelzenszwalbHuttenlocher04.initialize
protected void initialize(T input , GrayS32 output ) { this.graph = output; final int N = input.width*input.height; regionSize.resize(N); threshold.resize(N); for( int i = 0; i < N; i++ ) { regionSize.data[i] = 1; threshold.data[i] = K; graph.data[i] = i; // assign a unique label to each pixel since...
java
protected void initialize(T input , GrayS32 output ) { this.graph = output; final int N = input.width*input.height; regionSize.resize(N); threshold.resize(N); for( int i = 0; i < N; i++ ) { regionSize.data[i] = 1; threshold.data[i] = K; graph.data[i] = i; // assign a unique label to each pixel since...
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Predeclares all memory required and sets data structures to their initial values
[ "Predeclares", "all", "memory", "required", "and", "sets", "data", "structures", "to", "their", "initial", "values" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/segmentation/fh04/SegmentFelzenszwalbHuttenlocher04.java#L170-L184
50,357
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/segmentation/fh04/SegmentFelzenszwalbHuttenlocher04.java
SegmentFelzenszwalbHuttenlocher04.mergeSmallRegions
protected void mergeSmallRegions() { for( int i = 0; i < edgesNotMatched.size(); i++ ) { Edge e = edgesNotMatched.get(i); int rootA = find(e.indexA); int rootB = find(e.indexB); // see if they are already part of the same segment if( rootA == rootB ) continue; int sizeA = regionSize.get(rootA...
java
protected void mergeSmallRegions() { for( int i = 0; i < edgesNotMatched.size(); i++ ) { Edge e = edgesNotMatched.get(i); int rootA = find(e.indexA); int rootB = find(e.indexB); // see if they are already part of the same segment if( rootA == rootB ) continue; int sizeA = regionSize.get(rootA...
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Look at the remaining regions and if there are any small ones marge them into a larger region
[ "Look", "at", "the", "remaining", "regions", "and", "if", "there", "are", "any", "small", "ones", "marge", "them", "into", "a", "larger", "region" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/segmentation/fh04/SegmentFelzenszwalbHuttenlocher04.java#L245-L269
50,358
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/segmentation/fh04/SegmentFelzenszwalbHuttenlocher04.java
SegmentFelzenszwalbHuttenlocher04.find
protected int find( int child ) { int root = graph.data[child]; if( root == graph.data[root] ) return root; int inputChild = child; while( root != child ) { child = root; root = graph.data[child]; } graph.data[inputChild] = root; return root; }
java
protected int find( int child ) { int root = graph.data[child]; if( root == graph.data[root] ) return root; int inputChild = child; while( root != child ) { child = root; root = graph.data[child]; } graph.data[inputChild] = root; return root; }
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Finds the root given child. If the child does not point directly to the parent find the parent and make the child point directly towards it.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/segmentation/fh04/SegmentFelzenszwalbHuttenlocher04.java#L275-L289
50,359
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/segmentation/fh04/SegmentFelzenszwalbHuttenlocher04.java
SegmentFelzenszwalbHuttenlocher04.computeOutput
protected void computeOutput() { outputRegionId.reset(); outputRegionSizes.reset(); for( int y = 0; y < graph.height; y++ ) { int indexGraph = graph.startIndex + y*graph.stride; for( int x = 0; x < graph.width; x++ , indexGraph++) { int parent = graph.data[indexGraph]; if( parent == indexGraph ) { ...
java
protected void computeOutput() { outputRegionId.reset(); outputRegionSizes.reset(); for( int y = 0; y < graph.height; y++ ) { int indexGraph = graph.startIndex + y*graph.stride; for( int x = 0; x < graph.width; x++ , indexGraph++) { int parent = graph.data[indexGraph]; if( parent == indexGraph ) { ...
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Searches for root nodes in the graph and adds their size to the list of region sizes. Makes sure all other nodes in the graph point directly at their root.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/segmentation/fh04/SegmentFelzenszwalbHuttenlocher04.java#L295-L316
50,360
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/NormalizationPoint2D.java
NormalizationPoint2D.apply
public void apply( DMatrixRMaj H , DMatrixRMaj output ) { output.reshape(3,H.numCols); int stride = H.numCols; for (int col = 0; col < H.numCols; col++) { // This column in H double h1 = H.data[col], h2 = H.data[col+stride], h3 = H.data[col+2*stride]; output.data[col] = h1/stdX - meanX*h3/stdX; outpu...
java
public void apply( DMatrixRMaj H , DMatrixRMaj output ) { output.reshape(3,H.numCols); int stride = H.numCols; for (int col = 0; col < H.numCols; col++) { // This column in H double h1 = H.data[col], h2 = H.data[col+stride], h3 = H.data[col+2*stride]; output.data[col] = h1/stdX - meanX*h3/stdX; outpu...
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Applies normalization to a H=3xN matrix out = Norm*H @param H 3xN matrix. Can be same as input matrix
[ "Applies", "normalization", "to", "a", "H", "=", "3xN", "matrix" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/NormalizationPoint2D.java#L76-L87
50,361
lessthanoptimal/BoofCV
main/boofcv-geo/src/main/java/boofcv/alg/geo/NormalizationPoint2D.java
NormalizationPoint2D.apply
public void apply(DMatrix3x3 C, DMatrix3x3 output) { DMatrix3x3 Hinv = matrixInv3(work); PerspectiveOps.multTranA(Hinv,C,Hinv,output); }
java
public void apply(DMatrix3x3 C, DMatrix3x3 output) { DMatrix3x3 Hinv = matrixInv3(work); PerspectiveOps.multTranA(Hinv,C,Hinv,output); }
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Apply transform to conic in 3x3 matrix format.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-geo/src/main/java/boofcv/alg/geo/NormalizationPoint2D.java#L132-L135
50,362
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/factory/transform/wavelet/FactoryWaveletHaar.java
FactoryWaveletHaar.generateInv_I32
private static WlCoef_I32 generateInv_I32() { WlCoef_I32 ret = new WlCoef_I32(); ret.scaling = new int[]{1,1}; ret.wavelet = new int[]{ret.scaling[0],-ret.scaling[0]}; ret.denominatorScaling = 2; ret.denominatorWavelet = 2; return ret; }
java
private static WlCoef_I32 generateInv_I32() { WlCoef_I32 ret = new WlCoef_I32(); ret.scaling = new int[]{1,1}; ret.wavelet = new int[]{ret.scaling[0],-ret.scaling[0]}; ret.denominatorScaling = 2; ret.denominatorWavelet = 2; return ret; }
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Create a description for the inverse transform. Note that this will NOT produce an exact copy of the original due to rounding error. @return Wavelet inverse coefficient description.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/factory/transform/wavelet/FactoryWaveletHaar.java#L69-L78
50,363
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java
CombinedTrackerScalePoint.updateTracks
public void updateTracks( I input , PyramidDiscrete<I> pyramid , D[] derivX, D[] derivY ) { // forget recently dropped or spawned tracks tracksSpawned.clear(); // save references this.input = input; trackerKlt.setInputs(pyramid, derivX, derivY); trackUsingKlt(tracksPureKlt); ...
java
public void updateTracks( I input , PyramidDiscrete<I> pyramid , D[] derivX, D[] derivY ) { // forget recently dropped or spawned tracks tracksSpawned.clear(); // save references this.input = input; trackerKlt.setInputs(pyramid, derivX, derivY); trackUsingKlt(tracksPureKlt); ...
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Updates the location and description of tracks using KLT. Saves a reference to the input image for future processing. @param input Input image. @param pyramid Image pyramid of input. @param derivX Derivative pyramid of input x-axis @param derivY Derivative pyramid of input y-axis
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java#L123-L137
50,364
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java
CombinedTrackerScalePoint.trackUsingKlt
private void trackUsingKlt(List<CombinedTrack<TD>> tracks) { for( int i = 0; i < tracks.size(); ) { CombinedTrack<TD> track = tracks.get(i); if( !trackerKlt.performTracking(track.track) ) { // handle the dropped track tracks.remove(i); tracksDormant.add(track); } else { track.set(track.trac...
java
private void trackUsingKlt(List<CombinedTrack<TD>> tracks) { for( int i = 0; i < tracks.size(); ) { CombinedTrack<TD> track = tracks.get(i); if( !trackerKlt.performTracking(track.track) ) { // handle the dropped track tracks.remove(i); tracksDormant.add(track); } else { track.set(track.trac...
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Tracks features in the list using KLT and update their state
[ "Tracks", "features", "in", "the", "list", "using", "KLT", "and", "update", "their", "state" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java#L142-L155
50,365
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java
CombinedTrackerScalePoint.spawnTracksFromDetected
public void spawnTracksFromDetected() { // mark detected features with no matches as available FastQueue<AssociatedIndex> matches = associate.getMatches(); int N = detector.getNumberOfFeatures(); for( int i = 0; i < N; i++ ) associated[i] = false; for( AssociatedIndex i : matches.toList() ) { associat...
java
public void spawnTracksFromDetected() { // mark detected features with no matches as available FastQueue<AssociatedIndex> matches = associate.getMatches(); int N = detector.getNumberOfFeatures(); for( int i = 0; i < N; i++ ) associated[i] = false; for( AssociatedIndex i : matches.toList() ) { associat...
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From the found interest points create new tracks. Tracks are only created at points where there are no existing tracks. Note: Must be called after {@link #associateAllToDetected}.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java#L163-L205
50,366
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java
CombinedTrackerScalePoint.associateToDetected
private void associateToDetected( List<CombinedTrack<TD>> known ) { // initialize data structures detectedDesc.reset(); knownDesc.reset(); // create a list of detected feature descriptions int N = detector.getNumberOfFeatures(); for( int i = 0; i < N; i++ ) { detectedDesc.add(detector.getDescription(i))...
java
private void associateToDetected( List<CombinedTrack<TD>> known ) { // initialize data structures detectedDesc.reset(); knownDesc.reset(); // create a list of detected feature descriptions int N = detector.getNumberOfFeatures(); for( int i = 0; i < N; i++ ) { detectedDesc.add(detector.getDescription(i))...
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Associates pre-existing tracks to newly detected features @param known List of known tracks
[ "Associates", "pre", "-", "existing", "tracks", "to", "newly", "detected", "features" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java#L213-L237
50,367
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java
CombinedTrackerScalePoint.associateAllToDetected
public void associateAllToDetected() { // initialize data structures List<CombinedTrack<TD>> all = new ArrayList<>(); all.addAll(tracksReactivated); all.addAll(tracksDormant); all.addAll(tracksPureKlt); int numTainted = tracksReactivated.size() + tracksDormant.size(); tracksReactivated.clear(); tracks...
java
public void associateAllToDetected() { // initialize data structures List<CombinedTrack<TD>> all = new ArrayList<>(); all.addAll(tracksReactivated); all.addAll(tracksDormant); all.addAll(tracksPureKlt); int numTainted = tracksReactivated.size() + tracksDormant.size(); tracksReactivated.clear(); tracks...
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Associate all tracks in any state to the latest observations. If a dormant track is associated it will be reactivated. If a reactivated track is associated it's state will be updated. PureKLT tracks are left unmodified.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java#L244-L286
50,368
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java
CombinedTrackerScalePoint.dropTrack
public boolean dropTrack( CombinedTrack<TD> track ) { if( !tracksPureKlt.remove(track) ) if( !tracksReactivated.remove(track) ) if( !tracksDormant.remove(track) ) return false; tracksUnused.add(track); return true; }
java
public boolean dropTrack( CombinedTrack<TD> track ) { if( !tracksPureKlt.remove(track) ) if( !tracksReactivated.remove(track) ) if( !tracksDormant.remove(track) ) return false; tracksUnused.add(track); return true; }
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Stops tracking the specified track and recycles its data. @param track The track being dropped @return true if the track was being tracked and data was recycled false if not.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java#L294-L302
50,369
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java
CombinedTrackerScalePoint.dropAllTracks
public void dropAllTracks() { tracksUnused.addAll(tracksDormant); tracksUnused.addAll(tracksPureKlt); tracksUnused.addAll(tracksReactivated); tracksSpawned.clear(); tracksPureKlt.clear(); tracksReactivated.clear(); tracksSpawned.clear(); tracksDormant.clear(); }
java
public void dropAllTracks() { tracksUnused.addAll(tracksDormant); tracksUnused.addAll(tracksPureKlt); tracksUnused.addAll(tracksReactivated); tracksSpawned.clear(); tracksPureKlt.clear(); tracksReactivated.clear(); tracksSpawned.clear(); tracksDormant.clear(); }
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Drops all tracks and recycles the data
[ "Drops", "all", "tracks", "and", "recycles", "the", "data" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/tracker/combined/CombinedTrackerScalePoint.java#L331-L341
50,370
lessthanoptimal/BoofCV
demonstrations/src/main/java/boofcv/demonstrations/feature/associate/VisualizeAssociationScoreApp.java
VisualizeAssociationScoreApp.processImage
private void processImage() { final List<Point2D_F64> leftPts = new ArrayList<>(); final List<Point2D_F64> rightPts = new ArrayList<>(); final List<TupleDesc> leftDesc = new ArrayList<>(); final List<TupleDesc> rightDesc = new ArrayList<>(); final ProgressMonitor progressMonitor = new ProgressMonitor(this, ...
java
private void processImage() { final List<Point2D_F64> leftPts = new ArrayList<>(); final List<Point2D_F64> rightPts = new ArrayList<>(); final List<TupleDesc> leftDesc = new ArrayList<>(); final List<TupleDesc> rightDesc = new ArrayList<>(); final ProgressMonitor progressMonitor = new ProgressMonitor(this, ...
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Extracts image information and then passes that info onto scorePanel for display. Data is not recycled to avoid threading issues.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/demonstrations/src/main/java/boofcv/demonstrations/feature/associate/VisualizeAssociationScoreApp.java#L172-L192
50,371
lessthanoptimal/BoofCV
demonstrations/src/main/java/boofcv/demonstrations/feature/associate/VisualizeAssociationScoreApp.java
VisualizeAssociationScoreApp.extractImageFeatures
private void extractImageFeatures(final ProgressMonitor progressMonitor, final int progress, T image, List<TupleDesc> descs, List<Point2D_F64> locs) { SwingUtilities.invokeLater(new Runnable() { public void run() { progressMonitor.setNote("Detecting"); } }); detector.detect(image);...
java
private void extractImageFeatures(final ProgressMonitor progressMonitor, final int progress, T image, List<TupleDesc> descs, List<Point2D_F64> locs) { SwingUtilities.invokeLater(new Runnable() { public void run() { progressMonitor.setNote("Detecting"); } }); detector.detect(image);...
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Detects the locations of the features in the image and extracts descriptions of each of the features.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/demonstrations/src/main/java/boofcv/demonstrations/feature/associate/VisualizeAssociationScoreApp.java#L198-L257
50,372
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/flow/BroxWarpingSpacial.java
BroxWarpingSpacial.resizeForLayer
protected void resizeForLayer( int width , int height ) { deriv1X.reshape(width,height); deriv1Y.reshape(width,height); deriv2X.reshape(width,height); deriv2Y.reshape(width,height); deriv2XX.reshape(width,height); deriv2YY.reshape(width,height); deriv2XY.reshape(width,height); warpImage2.reshape(width,...
java
protected void resizeForLayer( int width , int height ) { deriv1X.reshape(width,height); deriv1Y.reshape(width,height); deriv2X.reshape(width,height); deriv2Y.reshape(width,height); deriv2XX.reshape(width,height); deriv2YY.reshape(width,height); deriv2XY.reshape(width,height); warpImage2.reshape(width,...
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Resize images for the current layer being processed
[ "Resize", "images", "for", "the", "current", "layer", "being", "processed" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/flow/BroxWarpingSpacial.java#L182-L213
50,373
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/flow/BroxWarpingSpacial.java
BroxWarpingSpacial.computePsiSmooth
private void computePsiSmooth(GrayF32 ux , GrayF32 uy , GrayF32 vx , GrayF32 vy , GrayF32 psiSmooth ) { int N = derivFlowUX.width * derivFlowUX.height; for( int i = 0; i < N; i++ ) { float vux = ux.data[i]; float vuy = uy.data[i]; float vvx = vx.data[i]; float vvy = vy.data[i]; float mu =...
java
private void computePsiSmooth(GrayF32 ux , GrayF32 uy , GrayF32 vx , GrayF32 vy , GrayF32 psiSmooth ) { int N = derivFlowUX.width * derivFlowUX.height; for( int i = 0; i < N; i++ ) { float vux = ux.data[i]; float vuy = uy.data[i]; float vvx = vx.data[i]; float vvy = vy.data[i]; float mu =...
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Equation 5. Psi_s
[ "Equation", "5", ".", "Psi_s" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/flow/BroxWarpingSpacial.java#L377-L392
50,374
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/flow/BroxWarpingSpacial.java
BroxWarpingSpacial.computePsiDataPsiGradient
protected void computePsiDataPsiGradient(GrayF32 image1, GrayF32 image2, GrayF32 deriv1x, GrayF32 deriv1y, GrayF32 deriv2x, GrayF32 deriv2y, GrayF32 deriv2xx, GrayF32 deriv2yy, GrayF32 deriv2xy, GrayF32 du, GrayF32 dv, GrayF32 psiData, GrayF32 psiGradient ) { ...
java
protected void computePsiDataPsiGradient(GrayF32 image1, GrayF32 image2, GrayF32 deriv1x, GrayF32 deriv1y, GrayF32 deriv2x, GrayF32 deriv2y, GrayF32 deriv2xx, GrayF32 deriv2yy, GrayF32 deriv2xy, GrayF32 du, GrayF32 dv, GrayF32 psiData, GrayF32 psiGradient ) { ...
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Compute Psi-data using equation 6 and approximation in equation 5
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/flow/BroxWarpingSpacial.java#L397-L423
50,375
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/flow/BroxWarpingSpacial.java
BroxWarpingSpacial.computeDivUVD
private void computeDivUVD(GrayF32 u , GrayF32 v , GrayF32 psi , GrayF32 divU , GrayF32 divV , GrayF32 divD ) { final int stride = psi.stride; // compute the inside pixel for (int y = 1; y < psi.height-1; y++) { // index of the current pixel int index = y*stride + 1; for (int x = 1; x < psi...
java
private void computeDivUVD(GrayF32 u , GrayF32 v , GrayF32 psi , GrayF32 divU , GrayF32 divV , GrayF32 divD ) { final int stride = psi.stride; // compute the inside pixel for (int y = 1; y < psi.height-1; y++) { // index of the current pixel int index = y*stride + 1; for (int x = 1; x < psi...
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Computes the divergence for u,v, and d. Equation 8 and Equation 10.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/flow/BroxWarpingSpacial.java#L428-L471
50,376
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java
TldTemplateMatching.reset
public void reset() { unused.addAll(templateNegative); unused.addAll(templatePositive); templateNegative.clear(); templatePositive.clear(); }
java
public void reset() { unused.addAll(templateNegative); unused.addAll(templatePositive); templateNegative.clear(); templatePositive.clear(); }
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Discard previous results and puts it back into its initial state
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java#L63-L68
50,377
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java
TldTemplateMatching.addDescriptor
public void addDescriptor( boolean positive , ImageRectangle rect ) { addDescriptor(positive, rect.x0, rect.y0, rect.x1, rect.y1); }
java
public void addDescriptor( boolean positive , ImageRectangle rect ) { addDescriptor(positive, rect.x0, rect.y0, rect.x1, rect.y1); }
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Creates a new descriptor for the specified region @param positive if it is a positive or negative example
[ "Creates", "a", "new", "descriptor", "for", "the", "specified", "region" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java#L84-L87
50,378
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java
TldTemplateMatching.addDescriptor
private void addDescriptor(boolean positive, NccFeature f) { // avoid adding the same descriptor twice or adding contradicting results if( positive) if( distance(f,templatePositive) < 0.05 ) { return; } if( !positive) { if( distance(f,templateNegative) < 0.05 ) { return; } // a positive pos...
java
private void addDescriptor(boolean positive, NccFeature f) { // avoid adding the same descriptor twice or adding contradicting results if( positive) if( distance(f,templatePositive) < 0.05 ) { return; } if( !positive) { if( distance(f,templateNegative) < 0.05 ) { return; } // a positive pos...
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Adds a descriptor to the positive or negative list. If it is very similar to an existing one it is not added. Look at code for details @param positive true for positive list and false for negative list @param f The feature which is to be added
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java#L103-L124
50,379
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java
TldTemplateMatching.computeNccDescriptor
public void computeNccDescriptor( NccFeature f , float x0 , float y0 , float x1 , float y1 ) { double mean = 0; float widthStep = (x1-x0)/15.0f; float heightStep = (y1-y0)/15.0f; // compute the mean value int index = 0; for( int y = 0; y < 15; y++ ) { float sampleY = y0 + y*heightStep; for( int x = 0...
java
public void computeNccDescriptor( NccFeature f , float x0 , float y0 , float x1 , float y1 ) { double mean = 0; float widthStep = (x1-x0)/15.0f; float heightStep = (y1-y0)/15.0f; // compute the mean value int index = 0; for( int y = 0; y < 15; y++ ) { float sampleY = y0 + y*heightStep; for( int x = 0...
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Computes the NCC descriptor by sample points at evenly spaced distances inside the rectangle
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java#L129-L156
50,380
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java
TldTemplateMatching.createDescriptor
public NccFeature createDescriptor() { NccFeature f; if( unused.isEmpty() ) f = new NccFeature(15*15); else f = unused.pop(); return f; }
java
public NccFeature createDescriptor() { NccFeature f; if( unused.isEmpty() ) f = new NccFeature(15*15); else f = unused.pop(); return f; }
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Creates a new descriptor or recycles an old one
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java#L161-L168
50,381
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java
TldTemplateMatching.computeConfidence
public double computeConfidence( int x0 , int y0 , int x1 , int y1 ) { computeNccDescriptor(observed,x0,y0,x1,y1); // distance from each set of templates if( templateNegative.size() > 0 && templatePositive.size() > 0 ) { double distancePositive = distance(observed,templatePositive); double distanceNegativ...
java
public double computeConfidence( int x0 , int y0 , int x1 , int y1 ) { computeNccDescriptor(observed,x0,y0,x1,y1); // distance from each set of templates if( templateNegative.size() > 0 && templatePositive.size() > 0 ) { double distancePositive = distance(observed,templatePositive); double distanceNegativ...
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Compute a value which indicates how confident the specified region is to be a member of the positive set. The confidence value is from 0 to 1. 1 indicates 100% confidence. Positive and negative templates are used to compute the confidence value. Only the point in each set which is closest to the specified region are...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java#L179-L194
50,382
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java
TldTemplateMatching.computeConfidence
public double computeConfidence( ImageRectangle r ) { return computeConfidence(r.x0,r.y0,r.x1,r.y1); }
java
public double computeConfidence( ImageRectangle r ) { return computeConfidence(r.x0,r.y0,r.x1,r.y1); }
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see the other function with the same name
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java#L199-L201
50,383
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java
TldTemplateMatching.distance
public double distance( NccFeature observed , List<NccFeature> candidates ) { double maximum = -Double.MAX_VALUE; // The feature which has the best fit will maximize the score for( NccFeature f : candidates ) { double score = DescriptorDistance.ncc(observed, f); if( score > maximum ) maximum = score; ...
java
public double distance( NccFeature observed , List<NccFeature> candidates ) { double maximum = -Double.MAX_VALUE; // The feature which has the best fit will maximize the score for( NccFeature f : candidates ) { double score = DescriptorDistance.ncc(observed, f); if( score > maximum ) maximum = score; ...
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Computes the best distance to 'observed' from the candidate list. @param observed Feature being matched @param candidates Set of candidate matches @return score from 0 to 1, where lower is closer
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldTemplateMatching.java#L209-L221
50,384
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/feature/detect/chess/DetectChessboardCornersPyramid.java
DetectChessboardCornersPyramid.process
public void process(GrayF32 input ) { constructPyramid(input); corners.reset(); // top to bottom. This way the intensity image is at the input image's scale. Which is useful // for visualiztion purposes double scale = Math.pow(2.0,pyramid.size()-1); for (int level = pyramid.size()-1; level >= 0; level--) ...
java
public void process(GrayF32 input ) { constructPyramid(input); corners.reset(); // top to bottom. This way the intensity image is at the input image's scale. Which is useful // for visualiztion purposes double scale = Math.pow(2.0,pyramid.size()-1); for (int level = pyramid.size()-1; level >= 0; level--) ...
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Detects corner features inside the input gray scale image.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/feature/detect/chess/DetectChessboardCornersPyramid.java#L73-L131
50,385
lessthanoptimal/BoofCV
main/boofcv-feature/src/main/java/boofcv/alg/feature/detect/chess/DetectChessboardCornersPyramid.java
DetectChessboardCornersPyramid.markSeenAsFalse
void markSeenAsFalse(FastQueue<ChessboardCorner> corners0 , FastQueue<ChessboardCorner> corners1 ) { nn.setPoints(corners1.toList(),false); // radius of the blob in the intensity image is 2*kernelRadius int radius = detector.shiRadius *2+1; for (int i = 0; i < corners0.size; i++) { ChessboardCorner c0 = corn...
java
void markSeenAsFalse(FastQueue<ChessboardCorner> corners0 , FastQueue<ChessboardCorner> corners1 ) { nn.setPoints(corners1.toList(),false); // radius of the blob in the intensity image is 2*kernelRadius int radius = detector.shiRadius *2+1; for (int i = 0; i < corners0.size; i++) { ChessboardCorner c0 = corn...
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Finds corners in list 1 which match corners in list 0. If the feature in list 0 has already been seen then the feature in list 1 will be marked as seen. Otherwise the feature which is the most intense is marked as first.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-feature/src/main/java/boofcv/alg/feature/detect/chess/DetectChessboardCornersPyramid.java#L138-L162
50,386
lessthanoptimal/BoofCV
demonstrations/src/main/java/boofcv/demonstrations/fiducial/DetectQrCodeApp.java
DetectQrCodeApp.processImage
@Override public void processImage(int sourceID, long frameID, final BufferedImage buffered, ImageBase input) { System.out.flush(); synchronized (bufferedImageLock) { original = ConvertBufferedImage.checkCopy(buffered, original); work = ConvertBufferedImage.checkDeclare(buffered, work); } if( saveReque...
java
@Override public void processImage(int sourceID, long frameID, final BufferedImage buffered, ImageBase input) { System.out.flush(); synchronized (bufferedImageLock) { original = ConvertBufferedImage.checkCopy(buffered, original); work = ConvertBufferedImage.checkDeclare(buffered, work); } if( saveReque...
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Override this function so that it doesn't threshold the image twice
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/demonstrations/src/main/java/boofcv/demonstrations/fiducial/DetectQrCodeApp.java#L191-L241
50,387
lessthanoptimal/BoofCV
main/boofcv-calibration/src/main/java/boofcv/alg/geo/calibration/Zhang99ComputeTargetHomography.java
Zhang99ComputeTargetHomography.computeHomography
public boolean computeHomography( CalibrationObservation observedPoints ) { if( observedPoints.size() < 4) throw new IllegalArgumentException("At least 4 points needed in each set of observations. " + " Filter these first please"); List<AssociatedPair> pairs = new ArrayList<>(); for( int i = 0; i < obse...
java
public boolean computeHomography( CalibrationObservation observedPoints ) { if( observedPoints.size() < 4) throw new IllegalArgumentException("At least 4 points needed in each set of observations. " + " Filter these first please"); List<AssociatedPair> pairs = new ArrayList<>(); for( int i = 0; i < obse...
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Computes the homography from a list of detected grid points in the image. The order of the grid points is important and must follow the expected row major starting at the top left. @param observedPoints List of ordered detected grid points in image pixels. @return True if it computed a Homography and false if it fail...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-calibration/src/main/java/boofcv/alg/geo/calibration/Zhang99ComputeTargetHomography.java#L65-L85
50,388
lessthanoptimal/BoofCV
main/boofcv-types/src/main/java/boofcv/concurrency/FWorkArrays.java
FWorkArrays.recycle
public synchronized void recycle( float[] array ) { if( array.length != length ) { throw new IllegalArgumentException("Unexpected array length. Expected "+length+" found "+array.length); } storage.add(array); }
java
public synchronized void recycle( float[] array ) { if( array.length != length ) { throw new IllegalArgumentException("Unexpected array length. Expected "+length+" found "+array.length); } storage.add(array); }
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Adds the array to storage. if the array length is unexpected an exception is thrown @param array array to be recycled.
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-types/src/main/java/boofcv/concurrency/FWorkArrays.java#L67-L72
50,389
lessthanoptimal/BoofCV
examples/src/main/java/boofcv/examples/sfm/ExampleMultiviewSceneReconstruction.java
ExampleMultiviewSceneReconstruction.visualizeResults
private void visualizeResults( SceneStructureMetric structure, List<BufferedImage> colorImages ) { List<Point3D_F64> cloudXyz = new ArrayList<>(); GrowQueue_I32 cloudRgb = new GrowQueue_I32(); Point3D_F64 world = new Point3D_F64(); Point3D_F64 camera = new Point3D_F64(); Point2D_F64 pixel = new Po...
java
private void visualizeResults( SceneStructureMetric structure, List<BufferedImage> colorImages ) { List<Point3D_F64> cloudXyz = new ArrayList<>(); GrowQueue_I32 cloudRgb = new GrowQueue_I32(); Point3D_F64 world = new Point3D_F64(); Point3D_F64 camera = new Point3D_F64(); Point2D_F64 pixel = new Po...
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Opens a window showing the found point cloud. Points are colorized using the pixel value inside one of the input images
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/examples/src/main/java/boofcv/examples/sfm/ExampleMultiviewSceneReconstruction.java#L153-L198
50,390
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodePolynomialMath.java
QrCodePolynomialMath.decodeFormatMessage
public static void decodeFormatMessage(int message , QrCode qr ) { int error = message >> 3; qr.error = QrCode.ErrorLevel.lookup(error); qr.mask = QrCodeMaskPattern.lookupMask(message&0x07); }
java
public static void decodeFormatMessage(int message , QrCode qr ) { int error = message >> 3; qr.error = QrCode.ErrorLevel.lookup(error); qr.mask = QrCodeMaskPattern.lookupMask(message&0x07); }
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Assumes that the format message has no errors in it and decodes its data and saves it into the qr code @param message format data bits after the mask has been remove and shifted over 10 bits @param qr Where the results are written to
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodePolynomialMath.java#L94-L99
50,391
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodePolynomialMath.java
QrCodePolynomialMath.correctDCH
public static int correctDCH( int N , int messageNoMask , int generator , int totalBits, int dataBits) { int bestHamming = 255; int bestMessage = -1; int errorBits = totalBits-dataBits; // exhaustively check all possibilities for (int i = 0; i < N; i++) { int test = i << errorBits; test = test ^ bitPo...
java
public static int correctDCH( int N , int messageNoMask , int generator , int totalBits, int dataBits) { int bestHamming = 255; int bestMessage = -1; int errorBits = totalBits-dataBits; // exhaustively check all possibilities for (int i = 0; i < N; i++) { int test = i << errorBits; test = test ^ bitPo...
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Applies a brute force algorithm to find the message which has the smallest hamming distance. if two messages have the same distance -1 is returned. @param N Number of possible messages. 32 or 64 @param messageNoMask The observed message with mask removed @param generator Generator polynomial @param totalBits Total numb...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/qrcode/QrCodePolynomialMath.java#L120-L143
50,392
lessthanoptimal/BoofCV
examples/src/main/java/boofcv/examples/calibration/ExampleRemoveLensDistortion.java
ExampleRemoveLensDistortion.displayResults
private static void displayResults(BufferedImage orig, Planar<GrayF32> distortedImg, ImageDistort allInside, ImageDistort fullView ) { // render the results Planar<GrayF32> undistortedImg = new Planar<>(GrayF32.class, distortedImg.getWidth(),distortedImg.getHeight(),distortedImg.getNumBa...
java
private static void displayResults(BufferedImage orig, Planar<GrayF32> distortedImg, ImageDistort allInside, ImageDistort fullView ) { // render the results Planar<GrayF32> undistortedImg = new Planar<>(GrayF32.class, distortedImg.getWidth(),distortedImg.getHeight(),distortedImg.getNumBa...
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Displays results in a window for easy comparison..
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/examples/src/main/java/boofcv/examples/calibration/ExampleRemoveLensDistortion.java#L92-L112
50,393
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/StabilitySquareFiducialEstimate.java
StabilitySquareFiducialEstimate.process
public boolean process( double sampleRadius , Quadrilateral_F64 input ) { work.set(input); samples.reset(); estimator.process(work,false); estimator.getWorldToCamera().invert(referenceCameraToWorld); samples.reset(); createSamples(sampleRadius,work.a,input.a); createSamples(sampleRadius,work.b,input.b)...
java
public boolean process( double sampleRadius , Quadrilateral_F64 input ) { work.set(input); samples.reset(); estimator.process(work,false); estimator.getWorldToCamera().invert(referenceCameraToWorld); samples.reset(); createSamples(sampleRadius,work.a,input.a); createSamples(sampleRadius,work.b,input.b)...
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Processes the observation and generates a stability estimate @param sampleRadius Radius around the corner pixels it will sample @param input Observed corner location of the fiducial in distorted pixels. Must be in correct order. @return true if successful or false if it failed
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/StabilitySquareFiducialEstimate.java#L68-L106
50,394
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/StabilitySquareFiducialEstimate.java
StabilitySquareFiducialEstimate.createSamples
private void createSamples( double sampleRadius , Point2D_F64 workPoint , Point2D_F64 originalPoint ) { workPoint.x = originalPoint.x + sampleRadius; if( estimator.process(work,false) ) { samples.grow().set( estimator.getWorldToCamera() ); } workPoint.x = originalPoint.x - sampleRadius; if( estimator.proc...
java
private void createSamples( double sampleRadius , Point2D_F64 workPoint , Point2D_F64 originalPoint ) { workPoint.x = originalPoint.x + sampleRadius; if( estimator.process(work,false) ) { samples.grow().set( estimator.getWorldToCamera() ); } workPoint.x = originalPoint.x - sampleRadius; if( estimator.proc...
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Samples around the provided corner +- in x and y directions
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/fiducial/square/StabilitySquareFiducialEstimate.java#L111-L132
50,395
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldLearning.java
TldLearning.initialLearning
public void initialLearning( Rectangle2D_F64 targetRegion , FastQueue<ImageRectangle> cascadeRegions ) { storageMetric.reset(); fernNegative.clear(); // learn the initial descriptor TldHelperFunctions.convertRegion(targetRegion, targetRegion_I32); // select the variance the first time using user s...
java
public void initialLearning( Rectangle2D_F64 targetRegion , FastQueue<ImageRectangle> cascadeRegions ) { storageMetric.reset(); fernNegative.clear(); // learn the initial descriptor TldHelperFunctions.convertRegion(targetRegion, targetRegion_I32); // select the variance the first time using user s...
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Select positive and negative examples based on the region the user's initially selected region. The selected region is used as a positive example while all the other regions far away are used as negative examples. @param targetRegion user selected region @param cascadeRegions Set of regions used by the cascade detect...
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldLearning.java#L83-L126
50,396
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldLearning.java
TldLearning.updateLearning
public void updateLearning( Rectangle2D_F64 targetRegion ) { storageMetric.reset(); // learn the initial descriptor TldHelperFunctions.convertRegion(targetRegion, targetRegion_I32); template.addDescriptor(true, targetRegion_I32); fern.learnFernNoise(true, targetRegion_I32); // mark only a few of the far...
java
public void updateLearning( Rectangle2D_F64 targetRegion ) { storageMetric.reset(); // learn the initial descriptor TldHelperFunctions.convertRegion(targetRegion, targetRegion_I32); template.addDescriptor(true, targetRegion_I32); fern.learnFernNoise(true, targetRegion_I32); // mark only a few of the far...
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Updates learning using the latest tracking results. @param targetRegion Region selected by the fused tracking
[ "Updates", "learning", "using", "the", "latest", "tracking", "results", "." ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldLearning.java#L133-L162
50,397
lessthanoptimal/BoofCV
main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldLearning.java
TldLearning.learnAmbiguousNegative
protected void learnAmbiguousNegative(Rectangle2D_F64 targetRegion) { TldHelperFunctions.convertRegion(targetRegion, targetRegion_I32); if( detection.isSuccess() ) { TldRegion best = detection.getBest(); // see if it found the correct solution double overlap = helper.computeOverlap(best.rect,targetRegio...
java
protected void learnAmbiguousNegative(Rectangle2D_F64 targetRegion) { TldHelperFunctions.convertRegion(targetRegion, targetRegion_I32); if( detection.isSuccess() ) { TldRegion best = detection.getBest(); // see if it found the correct solution double overlap = helper.computeOverlap(best.rect,targetRegio...
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Mark regions which were local maximums and had high confidence as negative. These regions were candidates for the tracker but were not selected
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f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-recognition/src/main/java/boofcv/alg/tracker/tld/TldLearning.java#L168-L192
50,398
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/factory/filter/binary/FactoryThresholdBinary.java
FactoryThresholdBinary.localOtsu
public static <T extends ImageGray<T>> InputToBinary<T> localOtsu(ConfigLength regionWidth, double scale, boolean down, boolean otsu2, double tuning, Class<T> inputType) { if( BOverrideFactoryThresholdBinary.localOtsu != null ) return BOverrideFactoryThresholdBinary.localOtsu.handle(otsu2,regionWidth, tuning, sca...
java
public static <T extends ImageGray<T>> InputToBinary<T> localOtsu(ConfigLength regionWidth, double scale, boolean down, boolean otsu2, double tuning, Class<T> inputType) { if( BOverrideFactoryThresholdBinary.localOtsu != null ) return BOverrideFactoryThresholdBinary.localOtsu.handle(otsu2,regionWidth, tuning, sca...
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Applies a local Otsu threshold @see ThresholdLocalOtsu @param regionWidth About how wide and tall you wish a block to be in pixels. @param scale Scale factor adjust for threshold. 1.0 means no change. @param down Should it threshold up or down. @param tuning Tuning parameter. 0 = standard Otsu. Greater than 0 will p...
[ "Applies", "a", "local", "Otsu", "threshold" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/factory/filter/binary/FactoryThresholdBinary.java#L128-L140
50,399
lessthanoptimal/BoofCV
main/boofcv-ip/src/main/java/boofcv/factory/filter/binary/FactoryThresholdBinary.java
FactoryThresholdBinary.blockMean
public static <T extends ImageGray<T>> InputToBinary<T> blockMean(ConfigLength regionWidth, double scale , boolean down, boolean thresholdFromLocalBlocks, Class<T> inputType) { if( BOverrideFactoryThresholdBinary.blockMean != null ) return BOverrideFactoryThresholdBinary.blockMean.handle(regionWidth, sc...
java
public static <T extends ImageGray<T>> InputToBinary<T> blockMean(ConfigLength regionWidth, double scale , boolean down, boolean thresholdFromLocalBlocks, Class<T> inputType) { if( BOverrideFactoryThresholdBinary.blockMean != null ) return BOverrideFactoryThresholdBinary.blockMean.handle(regionWidth, sc...
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Applies a non-overlapping block mean threshold @see ThresholdBlockMean @param scale Scale factor adjust for threshold. 1.0 means no change. @param down Should it threshold up or down. @param regionWidth Approximate size of block region @param inputType Type of input image @return Filter to binary
[ "Applies", "a", "non", "-", "overlapping", "block", "mean", "threshold" ]
f01c0243da0ec086285ee722183804d5923bc3ac
https://github.com/lessthanoptimal/BoofCV/blob/f01c0243da0ec086285ee722183804d5923bc3ac/main/boofcv-ip/src/main/java/boofcv/factory/filter/binary/FactoryThresholdBinary.java#L186-L204