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import torch.nn as nn import numpy as np import torch import copy def conv_bn(in_channels, out_channels, kernel_size, stride, padding, groups=1): result = nn.Sequential() result.add_module('conv', nn.Conv2d(in_channels=in_channels, out_channels=out_channels, ke...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): def _make_stage(self, planes, num_blocks, stride): def forward(self, x): def ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy class RepVGG(nn.Module): def __init__(self, num_blocks, width_multiplier, feat_dim=512, out_h=7, out_w=7, override_groups_map=None, deploy=False, use_se=False): super(RepVGG, self).__init__() assert len(width_multiplier) == 4 ...
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import torch.nn as nn import numpy as np import torch import copy func_dict = { 'RepVGG-A0': create_RepVGG_A0, 'RepVGG-A1': create_RepVGG_A1, 'RepVGG-A2': create_RepVGG_A2, 'RepVGG-B0': create_RepVGG_B0, 'RepVGG-B1': create_RepVGG_B1, 'RepVGG-B1g2': create_RepVGG_B1g2, 'RepVGG-B1g4': create_RepVGG_B1g4, 'RepVGG-B2': cr...
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import torch.nn as nn import numpy as np import torch import copy def repvgg_model_convert(model:torch.nn.Module, save_path=None, do_copy=True): if do_copy: model = copy.deepcopy(model) for module in model.modules(): if hasattr(module, 'switch_to_deploy'): module.switch_to_deploy() ...
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import math import torch import torch.nn as nn import torch.nn.functional as F class resblock(nn.Module): def __init__(self, in_channels, out_channels): super(resblock, self).__init__() self.conv1 = mfm(in_channels, out_channels, kernel_size=3, stride=1, padding=1) self.conv2 = mfm(in_channe...
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import math import torch import torch.nn as nn import torch.nn.functional as F def LightCNN_9Layers(drop_ratio, out_h, out_w, feat_dim): def LightCNN_29Layers_v2(drop_ratio, out_h, out_w, feat_dim): def LightCNN(depth, drop_ratio, out_h, out_w, feat_dim): if depth == 9: return LightCNN_9Layers(drop_ratio, ...
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import math import torch import torch.nn as nn import torch.nn.functional as F from torch.nn import Sequential, BatchNorm2d, Dropout, Module, Linear, BatchNorm1d The provided code snippet includes necessary dependencies for implementing the `_make_divisible` function. Write a Python function `def _make_divisible(v, di...
This function is taken from the original tf repo. It ensures that all layers have a channel number that is divisible by 8 It can be seen here: https://github.com/tensorflow/models/blob/master/research/slim/nets/mobilenet/mobilenet.py
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import math import torch import torch.nn as nn import torch.nn.functional as F from torch.nn import Sequential, BatchNorm2d, Dropout, Module, Linear, BatchNorm1d def hard_sigmoid(x, inplace: bool = False): if inplace: return x.add_(3.).clamp_(0., 6.).div_(6.) else: return F.relu6(x + 3.) / 6.
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import torch from .resnet import ResNet, Bottleneck _model_sha256 = {name: checksum for checksum, name in [ ('d8fbf808', 'resnest50_fast_1s1x64d'), ('44938639', 'resnest50_fast_2s1x64d'), ('f74f3fc3', 'resnest50_fast_4s1x64d'), ('32830b84', 'resnest50_fast_1s2x40d'), ('9d126481', 'resnest50_fast_2s2...
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import torch from .resnet import ResNet, Bottleneck resnest_model_urls = {name: _url_format.format(name, short_hash(name)) for name in _model_sha256.keys() } class Bottleneck(nn.Module): def __init__(self, inplanes, planes, stride=1, downsample=None, radix=1, cardinality=1, bottleneck_wid...
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import torch from .resnet import ResNet, Bottleneck resnest_model_urls = {name: _url_format.format(name, short_hash(name)) for name in _model_sha256.keys() } class Bottleneck(nn.Module): """ResNet Bottleneck """ # pylint: disable=unused-argument expansion = 4 def __init__(self, inplanes, planes...
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import torch from .resnet import ResNet, Bottleneck resnest_model_urls = {name: _url_format.format(name, short_hash(name)) for name in _model_sha256.keys() } class Bottleneck(nn.Module): """ResNet Bottleneck """ # pylint: disable=unused-argument expansion = 4 def __init__(self, inplanes, planes...
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import torch from .resnet import ResNet, Bottleneck resnest_model_urls = {name: _url_format.format(name, short_hash(name)) for name in _model_sha256.keys() } class Bottleneck(nn.Module): """ResNet Bottleneck """ # pylint: disable=unused-argument expansion = 4 def __init__(self, inplanes, planes...
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import torch from .resnet import ResNet, Bottleneck resnest_model_urls = {name: _url_format.format(name, short_hash(name)) for name in _model_sha256.keys() } class Bottleneck(nn.Module): """ResNet Bottleneck """ # pylint: disable=unused-argument expansion = 4 def __init__(self, inplanes, planes...
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import torch from .resnet import ResNet, Bottleneck resnest_model_urls = {name: _url_format.format(name, short_hash(name)) for name in _model_sha256.keys() } class Bottleneck(nn.Module): """ResNet Bottleneck """ # pylint: disable=unused-argument expansion = 4 def __init__(self, inplanes, planes...
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import torch from .resnet import ResNet, Bottleneck resnest_model_urls = {name: _url_format.format(name, short_hash(name)) for name in _model_sha256.keys() } class Bottleneck(nn.Module): """ResNet Bottleneck """ # pylint: disable=unused-argument expansion = 4 def __init__(self, inplanes, planes...
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import torch import torch.nn as nn from .resnet import ResNet, Bottleneck def l2_norm(input,axis=1): norm = torch.norm(input,2,axis,True) output = torch.div(input, norm) return output
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import sys import torch import torch.nn as nn import torch.nn.functional as F from collections import OrderedDict def channel_shuffle(x, groups): assert groups > 1 batchsize, num_channels, height, width = x.size() assert (num_channels % groups == 0) channels_per_group = num_channels // groups # reshape x = x.vie...
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import sys import torch import torch.nn as nn import torch.nn.functional as F from collections import OrderedDict def get_same_padding(kernel_size): if isinstance(kernel_size, tuple): assert len(kernel_size) == 2, 'invalid kernel size: {}'.format(kernel_size) p1 = get_same_padding(kernel_size[0]) p2 = get_same_...
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import torch import torch.nn as nn import torch.utils.checkpoint as checkpoint from timm.models.layers import DropPath, to_2tuple, trunc_normal_ The provided code snippet includes necessary dependencies for implementing the `window_partition` function. Write a Python function `def window_partition(x, window_size)` to ...
Args: x: (B, H, W, C) window_size (int): window size Returns: windows: (num_windows*B, window_size, window_size, C)
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import torch import torch.nn as nn import torch.utils.checkpoint as checkpoint from timm.models.layers import DropPath, to_2tuple, trunc_normal_ The provided code snippet includes necessary dependencies for implementing the `window_reverse` function. Write a Python function `def window_reverse(windows, window_size, H,...
Args: windows: (num_windows*B, window_size, window_size, C) window_size (int): Window size H (int): Height of image W (int): Width of image Returns: x: (B, H, W, C)
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import os import sys import shutil import argparse import logging as logger import torch import torch.distributed as dist import torch.utils.data.distributed from torch import optim from torch.utils.data import DataLoader from tensorboardX import SummaryWriter from apex import amp from optimizer import build_optimize...
Total training procedure.
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import os import sys import shutil import argparse import logging as logger import torch from torch import optim from torch.utils.data import DataLoader from tensorboardX import SummaryWriter from losses import OnlineContrastiveLoss, OnlineTripletLoss from pair_selector import HardNegativePairSelector, FunctionNegative...
Total training procedure.
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from itertools import combinations import numpy as np import torch def pdist(vectors): distance_matrix = -2 * vectors.mm(torch.t(vectors)) + vectors.pow(2).sum(dim=1).view(1, -1) + vectors.pow(2).sum( dim=1).view(-1, 1) return distance_matrix
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from itertools import combinations import numpy as np import torch def hardest_negative(loss_values): hard_negative = np.argmax(loss_values) return hard_negative if loss_values[hard_negative] > 0 else None class FunctionNegativeTripletSelector(TripletSelector): """ For each positive pair, takes the hard...
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from itertools import combinations import numpy as np import torch def random_hard_negative(loss_values): hard_negatives = np.where(loss_values > 0)[0] return np.random.choice(hard_negatives) if len(hard_negatives) > 0 else None class FunctionNegativeTripletSelector(TripletSelector): """ For each positi...
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from itertools import combinations import numpy as np import torch def semihard_negative(loss_values, margin): semihard_negatives = np.where(np.logical_and(loss_values < margin, loss_values > 0))[0] return np.random.choice(semihard_negatives) if len(semihard_negatives) > 0 else None class FunctionNegativeTriple...
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import os import sys import shutil import argparse import logging as logger import torch import torch.distributed as dist import torch.utils.data.distributed from torch import optim from torch.utils.data import DataLoader from tensorboardX import SummaryWriter from utils.AverageMeter import AverageMeter from data_pro...
Total training procedure.
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import os import sys import shutil import argparse import logging as logger import torch from torch import optim from torch.utils.data import DataLoader from tensorboardX import SummaryWriter from utils.AverageMeter import AverageMeter from data_processor.train_dataset import ImageDataset from backbone.backbone_def imp...
Total training procedure.
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import os import sys import shutil import argparse import logging as logger import torch from torch import optim from torch.utils.data import DataLoader from tensorboardX import SummaryWriter from apex import amp from utils.AverageMeter import AverageMeter from data_processor.train_dataset import ImageDataset from back...
Total training procedure.
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import os import cv2 import numpy as np from skimage import transform as trans from core.image_cropper.BaseImageCropper import BaseImageCropper from utils.lms_trans import lms106_2_lms5, lms25_2_lms5 def estimate_norm(lmk, image_size = 112, mode='arcface'): assert lmk.shape==(5,2) tform = trans.SimilarityTransform(...
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import torch import torch.nn as nn import torch.nn.functional as F def conv_bn(inp, oup, kernel_size, stride, padding=1, conv_layer=nn.Conv2d, norm_layer=nn.BatchNorm2d, nlin_layer=nn.ReLU): return nn.Sequential( conv_layer(inp, oup, kernel_size, stride, padding, bias=False), norm_layer(oup), ...
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import torch import torch.nn as nn import torchvision.models._utils as _utils import torch.nn.functional as F from collections import OrderedDict def conv_bn(inp, oup, stride = 1, leaky = 0): return nn.Sequential( nn.Conv2d(inp, oup, 3, stride, 1, bias=False), nn.BatchNorm2d(oup), nn.LeakyR...
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import torch import torch.nn as nn import torchvision.models._utils as _utils import torch.nn.functional as F from collections import OrderedDict def conv_bn_no_relu(inp, oup, stride): return nn.Sequential( nn.Conv2d(inp, oup, 3, stride, 1, bias=False), nn.BatchNorm2d(oup), )
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import torch import torch.nn as nn import torchvision.models._utils as _utils import torch.nn.functional as F from collections import OrderedDict def conv_bn1X1(inp, oup, stride, leaky=0): return nn.Sequential( nn.Conv2d(inp, oup, 1, stride, padding=0, bias=False), nn.BatchNorm2d(oup), nn.L...
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import torch import torch.nn as nn import torchvision.models._utils as _utils import torch.nn.functional as F from collections import OrderedDict def conv_dw(inp, oup, stride, leaky=0.1): return nn.Sequential( nn.Conv2d(inp, inp, 3, stride, 1, groups=inp, bias=False), nn.BatchNorm2d(inp), n...
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from torch.nn import Linear, Conv2d, BatchNorm1d, BatchNorm2d, PReLU, Sequential, Module import torch def l2_norm(input,axis=1): norm = torch.norm(input,2,axis,True) output = torch.div(input, norm) return output
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from typing import Optional, Tuple import torch from PIL import Image import matplotlib.pyplot as plt import math def bchw2hwc(images: torch.Tensor, nrows: Optional[int] = None, border: int = 2, background_value: float = 0) -> torch.Tensor: """ make a grid image from an image batch. Args: ...
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from typing import Dict, List import torch import colorsys import random import numpy as np from skimage.draw import line_aa, circle_perimeter_aa def _gen_random_colors(N, bright=True): brightness = 1.0 if bright else 0.7 hsv = [(i / N, 1, brightness) for i in range(N)] colors = list(map(lambda c: colorsys...
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from typing import Dict, List import torch import colorsys import random import numpy as np from skimage.draw import line_aa, circle_perimeter_aa def select_data(selection, data): if isinstance(data, dict): return {name: select_data(selection, val) for name, val in data.items()} elif isinstance(data, (...
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from typing import Dict, List import torch import colorsys import random import numpy as np from skimage.draw import line_aa, circle_perimeter_aa def _draw_hwc(image: torch.Tensor, data: Dict[str, torch.Tensor]): dtype = image.dtype h, w, _ = image.shape for tag, batch_content in data.items(): if ta...
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lms25_2_lms106 = {1:105, 2:106, 3:34, 4:38, 5:43, 6:47, 7:52, 8:55, 9:88, 10:94, 11:85, 12:91, 13:63, 14:59, 15:99, 16:61, 17:71, 18:73, 19:67, 20:80, 21:82, 22:76, 23:36, 24:45, 25:17} def lms106_2_lms25(lms_106): lms25 = [] for cur_point...
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lms5_2_lms106 = {1:105, 2:106, 3:55, 4:85, 5:91} def lms106_2_lms5(lms_106): lms5 = [] for cur_point_index in range(5): cur_point_id = cur_point_index + 1 point_id_106 = lms5_2_lms106[cur_point_id] cur_point_index_106 = point_id_106 - 1 cur_point_x = lms_106[cur_point_index_106 ...
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lms5_2_lms25 = {1:1, 2:2, 3:8, 4:11, 5:12} def lms25_2_lms5(lms_25): lms5 = [] for cur_point_index in range(5): cur_point_id = cur_point_index + 1 point_id_25 = lms5_2_lms25[cur_point_id] cur_point_index_25 = point_id_25 - 1 cur_point_x = lms_25[cur_point_index_25 * 2] c...
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from typing import List, Dict, Callable, Tuple, Optional import torch import torch.nn.functional as F import functools def get_similarity_transform_matrix( from_pts: torch.Tensor, to_pts: torch.Tensor) -> torch.Tensor: """ Args: from_pts, to_pts: b x n x 2 Returns: torch.Tensor: b x ...
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from typing import List, Dict, Callable, Tuple, Optional import torch import torch.nn.functional as F import functools def _forge_grid(batch_size: int, device: torch.device, output_shape: Tuple[int, int], fn: Callable[[torch.Tensor], torch.Tensor] ) -> Tuple[torch.Tensor,...
Args: matrix: bx4x4 matrix. warp_factor: The warping factor. `warp_factor=1.0` represents a vannila Tanh-warping, `warp_factor=0.0` represents a cropping. warped_shape: The target image shape to transform to. Returns: torch.Tensor: b x h x w x 2 (x, y).
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from typing import List, Dict, Callable, Tuple, Optional import torch import torch.nn.functional as F import functools def _forge_grid(batch_size: int, device: torch.device, output_shape: Tuple[int, int], fn: Callable[[torch.Tensor], torch.Tensor] ) -> Tuple[torch.Tensor,...
Args: matrix: bx4x4 matrix. warp_factor: The warping factor. `warp_factor=1.0` represents a vannila Tanh-warping, `warp_factor=0.0` represents a cropping. warped_shape: The target image shape to transform to. orig_shape: The original image shape that is transformed from. Returns: torch.Tensor: b x h x w x 2 (x, y).
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import os from face_masker import FaceMasker The provided code snippet includes necessary dependencies for implementing the `get_lms_templateName` function. Write a Python function `def get_lms_templateName(face_info_file, image_name2template_name_file, masked_face_root)` to solve the following problem: Generate to do...
Generate to do task list. Args: face_info_file: The file which contains image_name and landmarks. image_name2template_name_file: a mapping file masked_face_root: Targe folder to save masked images. Returns: image_name2lms dict, image_name2template_name dict.
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import numpy as np def isPointInTri(point, tri_points): ''' Judge whether the point is in the triangle Method: http://blackpawn.com/texts/pointinpoly/ Args: point: [u, v] or [x, y] tri_points: three vertices(2d points) of a triangle. 2 coords x 3 vertices Returns: bool: ...
render mesh by z buffer Args: vertices: 3 x nver colors: 3 x nver triangles: 3 x ntri h: height w: width
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import numpy as np def get_point_weight(point, tri_points): ''' Get the weights of the position Methods: https://gamedev.stackexchange.com/questions/23743/whats-the-most-efficient-way-to-find-barycentric-coordinates -m1.compute the area of the triangles formed by embedding the point P inside the triangle ...
Args: triangles: 3 x ntri # src src_image: height x width x nchannels src_vertices: 3 x nver # dst dst_vertices: 3 x nver dst_triangle_buffer: height x width. the triangle index of each pixel in dst image Returns: dst_image: height x width x nchannels
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import numpy as np def isPointInTri(point, tri_points): ''' Judge whether the point is in the triangle Method: http://blackpawn.com/texts/pointinpoly/ Args: point: [u, v] or [x, y] tri_points: three vertices(2d points) of a triangle. 2 coords x 3 vertices Returns: bool: ...
Args: vertices: 3 x nver triangles: 3 x ntri h: height w: width Returns: depth_buffer: height x width ToDo: whether to add x, y by 0.5? the center of the pixel? m3. like somewhere is wrong # Each triangle has 3 vertices & Each vertex has 3 coordinates x, y, z. # Here, the bigger the z, the fronter the point.
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import numpy as np def get_depth_buffer(vertices, triangles, h, w): ''' Args: vertices: 3 x nver triangles: 3 x ntri h: height w: width Returns: depth_buffer: height x width ToDo: whether to add x, y by 0.5? the center of the pixel? m3. like somewh...
Args: vertices: 3 x nver triangles: 3 x ntri depth_buffer: height x width Returns: vertices_vis: nver. the visibility of each vertex
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import numpy as np def read_landmark_106_file(filepath): map = [[1,2],[3,4],[5,6],7,9,11,[12,13],14,16,18,[19,20],21,23,25,[26,27],[28,29],[30,31],33,34,35,36,37,42,43,44,45,46,51,52,53,54,58,59,60,61,62,66,67,69,70,71,73,75,76,78,79,80,82,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103] line =...
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import numpy as np def read_landmark_106_array(face_lms): map = [[1,2],[3,4],[5,6],7,9,11,[12,13],14,16,18,[19,20],21,23,25,[26,27],[28,29],[30,31],33,34,35,36,37,42,43,44,45,46,51,52,53,54,58,59,60,61,62,66,67,69,70,71,73,75,76,78,79,80,82,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103] pts1 ...
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import numpy as np def read_landmark_106(filepath): map = [[1,2],[3,4],[5,6],7,9,11,[12,13],14,16,18,[19,20],21,23,25,[26,27],[28,29],[30,31],33,34,35,36,37,42,43,44,45,46,51,52,53,54,58,59,60,61,62,66,67,69,70,71,73,75,76,78,79,80,82,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103] lines = ope...
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import numpy as np def read_bbox(filepath): lines = open(filepath).readlines() bbox = lines[0].strip().split() bbox = [int(float(_)) for _ in bbox] return np.array(bbox)
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import os import cv2 if not os.path.exists(img_dir): os.makedirs(img_dir) def save_image(image, img_dir, vedio_name, num): flod_path = img_dir + vedio_name[:-4] + '/' if not os.path.exists(flod_path): os.makedirs(flod_path) address = flod_path + vedio_name[:-4] + '_' + str(num) + '_scene.jpg' ...
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import os import copy import math import time import random import numpy as np from PIL import Image import torch import torch.utils.data as data import torchvision.transforms as transforms def default_loader(path): img = Image.open(path).convert('L') return img
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import os import copy import math import time import random import numpy as np from PIL import Image import torch import torch.utils.data as data import torchvision.transforms as transforms def default_list_reader(fileList): imgList = [] with open(fileList, 'r') as file: for line in file.readlines(): ...
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import numpy as np import torch import torch.nn as nn import torch.nn.functional as F from torch.autograd import Variable def make_layer(block, num_of_layer, inc=64, outc=64, groups=1): if num_of_layer < 1: num_of_layer = 1 layers = [] layers.append(block(inc=inc, outc=outc, groups=groups)) for...
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import os import time import argparse import numpy as np import torch import torch.nn.functional as F def rgb2gray(img): r, g, b = torch.split(img, 1, dim=1) return torch.mul(r, 0.299) + torch.mul(g, 0.587) + torch.mul(b, 0.114)
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import os import time import argparse import numpy as np import torch import torch.nn.functional as F def reparameterize(mu, logvar): std = logvar.mul(0.5).exp_() eps = torch.cuda.FloatTensor(std.size()).normal_() return eps.mul(std).add_(mu)
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import os import time import argparse import numpy as np import torch import torch.nn.functional as F def kl_loss(mu, logvar, prior_mu=0): v_kl = mu.add(-prior_mu).pow(2).add_(logvar.exp()).mul_(-1).add_(1).add_(logvar) v_kl = v_kl.sum(dim=-1).mul_(-0.5) # (batch, 2) return v_kl
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import os import time import argparse import numpy as np import torch import torch.nn.functional as F def reconstruction_loss(prediction, target, size_average=False): error = (prediction - target).view(prediction.size(0), -1) error = error ** 2 error = torch.sum(error, dim=-1) if size_average: ...
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import os import time import argparse import numpy as np import torch import torch.nn.functional as F def load_model(model, pretrained): weights = torch.load(pretrained) pretrained_dict = weights['model'].state_dict() model_dict = model.state_dict() # 1. filter out unnecessary keys pretrained_dict ...
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import os import time import argparse import numpy as np import torch import torch.nn.functional as F def save_checkpoint(model_path, model, epoch, iteration, name): model_out_path = model_path + name + "model_epoch_{}_iter_{}.pth".format(epoch, iteration) state = {"epoch": epoch, "model": model} if not os...
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import os import time import argparse import numpy as np import torch import torch.nn.functional as F def MMD_Loss(fc_nir, fc_vis): mean_fc_nir = torch.mean(fc_nir, 0) mean_fc_vis = torch.mean(fc_vis, 0) loss_mmd = F.mse_loss(mean_fc_nir, mean_fc_vis) return loss_mmd
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import os import time import argparse import numpy as np import torch import torch.nn.functional as F def adjust_learning_rate(lr, step, optimizer, epoch): scale = 0.457305051927326 lr = lr * (scale ** (epoch // step)) print('lr: {}'.format(lr)) if (epoch != 0) & (epoch % step == 0): print('Cha...
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import os import time import argparse import numpy as np import torch import torch.nn.functional as F The provided code snippet includes necessary dependencies for implementing the `accuracy` function. Write a Python function `def accuracy(output, target, topk=(1,))` to solve the following problem: Computes the precis...
Computes the precision@k for the specified values of k
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from __future__ import print_function, division import torch import matplotlib.pyplot as plt import argparse, os import numpy as np from torch.utils.data import DataLoader from torchvision import transforms from models.CDCNs_u import Conv2d_cd, CDCN_u from Load_OULUNPUcrop_train import Spoofing_train_g, SeparateBatchSa...
compute contrast depth in both of (out, label)
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from __future__ import print_function, division import torch import matplotlib.pyplot as plt import argparse, os import numpy as np from torch.utils.data import DataLoader from torchvision import transforms from models.CDCNs_u import Conv2d_cd, CDCN_u from Load_OULUNPUcrop_train import Spoofing_train_g, SeparateBatchSa...
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import math import os import cv2 import numpy as np def crop_face_from_scene(image, face_name_full, scale): f = open(face_name_full, 'r') lines = f.readlines() lines = lines[0].split(' ') y1, x1, w, h = [int(ele) for ele in lines[:4]] f.close() y2 = y1 + w x2 = x1 + h y_mid = (y1 + y2)...
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import math import os import cv2 import numpy as np def crop_face_from_scene_prnet(image, face_name_full, scale): h_img, w_img = image.shape[0], image.shape[1] f = open(face_name_full, 'r') lines = f.readlines() lines = lines[0].split(' ') l, r, t, b = [int(ele) for ele in lines[:4]] if l < 0: ...
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def accuracy(output, target, topk=(1,)): maxk = max(topk) batch_size = target....
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def get_threshold(score_file): with open(score_file, 'r') as file: lines =...
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def test_threshold_based(threshold, score_file): with open(score_file, 'r') as fil...
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def get_err_threhold(fpr, tpr, threshold): RightIndex = (tpr + (1 - fpr) - 1) r...
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def get_err_threhold(fpr, tpr, threshold): RightIndex = (tpr + (1 - fpr) - 1) r...
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def get_err_threhold_CASIA_Replay(fpr, tpr, threshold): RightIndex = (tpr + (1 - fp...
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def get_err_threhold_CASIA_Replay(fpr, tpr, threshold): RightIndex = (tpr + (1 - fp...
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def count_parameters_in_MB(model): return np.sum(np.prod(v.size()) for name, v in ...
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def save_checkpoint(state, is_best, save): filename = os.path.join(save, 'checkpoi...
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def load(model, model_path): model.load_state_dict(torch.load(model_path))
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def drop_path(x, drop_prob): if drop_prob > 0.: keep_prob = 1. - drop_prob...
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import os import numpy as np import torch import shutil import torchvision.transforms as transforms from torch.autograd import Variable import sklearn from sklearn import metrics from sklearn.metrics import roc_curve, auc import pdb def create_exp_dir(path, scripts_to_save=None): if not os.path.exists(path): ...
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import math import torch import torch.nn.functional as F import torch.utils.model_zoo as model_zoo from torch import nn from torch.nn import Parameter import pdb import numpy as np class ResidualBlock(nn.Module): def __init__(self, inchannel, outchannel, stride=1): def forward(self, x): class ResNet(nn.Module...
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import sys import math import torch import torch.nn.functional as F from torch.nn import Module, Parameter import torch.nn as nn from backbones.resnet import ResNet, BasicBlock, Bottleneck from backbones.resnet_ibn_a import resnet50_ibn_a def l2_norm(input, axis=1): norm = torch.norm(input, 2, axis, True) outp...
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