bakeup

contrast/feat_extract/resnet_vit/.idea/.gitignore

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+# 默认忽略的文件
+/shelf/
+/workspace.xml
+# 基于编辑器的 HTTP 客户端请求
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

contrast/feat_extract/resnet_vit/.idea/contrastInference.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="jdk" jdkName="Python 3.8 (my_env)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="PyDocumentationSettings">
+    <option name="format" value="PLAIN" />
+    <option name="myDocStringFormat" value="Plain" />
+  </component>
+</module>

contrast/feat_extract/resnet_vit/.idea/deployment.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PublishConfigData" remoteFilesAllowedToDisappearOnAutoupload="false">
+    <serverData>
+      <paths name="lc@192.168.1.142:22 password">
+        <serverdata>
+          <mappings>
+            <mapping local="$PROJECT_DIR$" web="/" />
+          </mappings>
+        </serverdata>
+      </paths>
+    </serverData>
+  </component>
+</project>

contrast/feat_extract/resnet_vit/.idea/inspectionProfiles/Project_Default.xml

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+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PyPep8NamingInspection" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="ignoredErrors">
+        <list>
+          <option value="N803" />
+        </list>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>

contrast/feat_extract/resnet_vit/.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

contrast/feat_extract/resnet_vit/.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Black">
+    <option name="sdkName" value="Python 3.8 (my_env)" />
+  </component>
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.8 (my_env)" project-jdk-type="Python SDK" />
+</project>

contrast/feat_extract/resnet_vit/.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/contrastInference.iml" filepath="$PROJECT_DIR$/.idea/contrastInference.iml" />
+    </modules>
+  </component>
+</project>

contrast/feat_extract/resnet_vit/__init__.py

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+# from .config import config

contrast/feat_extract/resnet_vit/config.py

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+import torch
+import torchvision.transforms as T
+
+
+class Config:
+    # network settings
+    backbone = 'vit'  # [resnet18, mobilevit_s, mobilenet_v2, mobilenetv3_small, mobilenetv3_large, mobilenet_v1, PPLCNET_x1_0, PPLCNET_x0_5, PPLCNET_x2_5]
+    metric = 'softmax'  # [cosface, arcface, softmax]
+    cbam = True
+    embedding_size = 256  # 256
+    drop_ratio = 0.5
+    img_size = 224
+
+    teacher = 'vit'  # [resnet18, mobilevit_s, mobilenet_v2, mobilenetv3_small, mobilenetv3_large, mobilenet_v1, PPLCNET_x1_0, PPLCNET_x0_5, PPLCNET_x2_5]
+    student = 'resnet'
+    # data preprocess
+    # input_shape = [1, 128, 128]
+    """transforms.RandomCrop(size),
+        transforms.RandomVerticalFlip(p=0.5),
+        transforms.RandomHorizontalFlip(),
+        RandomRotate(15, 0.3),
+        # RandomGaussianBlur()"""
+
+    train_transform = T.Compose([
+        T.ToTensor(),
+        T.Resize((img_size, img_size)),
+        # T.RandomCrop(img_size*4//5),
+        # T.RandomHorizontalFlip(p=0.5),
+        T.RandomRotation(180),
+        T.ColorJitter(brightness=0.5),
+        T.ConvertImageDtype(torch.float32),
+        T.Normalize(mean=[0.5], std=[0.5]),
+    ])
+    test_transform = T.Compose([
+        T.ToTensor(),
+        T.Resize((img_size, img_size)),
+        T.ConvertImageDtype(torch.float32),
+        T.Normalize(mean=[0.5], std=[0.5]),
+    ])
+
+    # dataset
+    train_root = './data/2250_train/train'  # 初始筛选过一次的数据集
+    # train_root = './data/0625_train/train'
+    test_root = "./data/2250_train/val/"
+    # test_root = "./data/0625_train/val"
+
+    test_list = "./data/2250_train/val_pair.txt"
+    test_group_json = "./data/2250_train/cross_same.json"
+    # test_group_json = "./data/0625_train/cross_same.json"
+    # test_list = "./data/test_data_100/val_pair.txt"
+
+    # training settings
+    checkpoints = "checkpoints/vit_b_16_0815/"  # [resnet18, mobilevit_s, mobilenet_v2, mobilenetv3]
+    restore = True
+    # restore_model = "checkpoints/renet18_2250_0315/best_resnet18_2250_0315.pth"    # best_resnet18_1491_0306.pth
+    restore_model = "checkpoints/vit_b_16_0730/best.pth"  # best_resnet18_1491_0306.pth
+
+    # test_model = "./checkpoints/renet18_1887_0311/best_resnet18_1887_0311.pth"
+    testbackbone = 'resnet18'  # [resnet18, mobilevit_s, mobilenet_v2, mobilenetv3_small, mobilenetv3_large, mobilenet_v1, PPLCNET_x1_0, PPLCNET_x0_5]
+    # test_val = "./data/2250_train"
+    test_val = "./data/0625_train"
+    test_model = "checkpoints/resnet18_0721/best.pth"
+
+    train_batch_size = 128  # 256
+    test_batch_size = 256  # 256
+
+
+    epoch = 300
+    optimizer = 'adamw'  # ['sgd', 'adam'， 'adamw']
+    lr = 1e-3  # 1e-2
+    lr_step = 10  # 10
+    lr_decay = 0.95  # 0.98
+    weight_decay = 5e-4
+    loss = 'focal_loss'  # ['focal_loss', 'cross_entropy']
+    device = torch.device('cuda:1' if torch.cuda.is_available() else 'cpu')
+    # device = torch.device('cuda:0' if torch.cuda.is_available() else 'cpu')
+
+    pin_memory = True  # if memory is large, set it True to speed up a bit
+    num_workers = 4  # dataloader
+
+    group_test = True
+    # group_test = False
+
+config = Config()

contrast/feat_extract/resnet_vit/inference.py

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+import os
+import os.path as osp
+
+import torch
+
+import numpy as np
+from model import resnet18
+from PIL import Image
+
+from torch.nn.functional import softmax
+from config import config as conf
+import time
+
+embedding_size = conf.embedding_size
+img_size = conf.img_size
+device = conf.device
+
+def load_contrast_model():
+    model = resnet18().to(conf.device)
+    model.load_state_dict(torch.load(conf.test_model, map_location=conf.device))
+    model.eval()
+    print('load model {} '.format(conf.testbackbone))
+    
+    return model
+
+
+def group_image(imageDirs, batch) -> list:
+    images = []
+    """Group image paths by batch size"""
+    with os.scandir(imageDirs) as entries:
+        for imgpth in entries:
+            print(imgpth)
+            images.append(os.sep.join([imageDirs, imgpth.name]))
+    print(f"{len(images)} images in {imageDirs}")
+    size = len(images)
+    res = []
+    for i in range(0, size, batch):
+        end = min(batch + i, size)
+        res.append(images[i: end])
+    return res
+
+def test_preprocess(images: list, transform) -> torch.Tensor:
+    res = []
+    for img in images:
+        # print(img)
+        im = Image.open(img)
+        im = transform(im)
+        res.append(im)
+    # data = torch.cat(res, dim=0)  # shape: (batch, 128, 128)
+    # data = data[:, None, :, :]    # shape: (batch, 1, 128, 128)
+    data = torch.stack(res)
+    return data
+
+def featurize(images: list, transform, net, device) -> dict:
+    """featurize each image and save into a dictionary
+    Args:
+        images: image paths
+        transform: test transform
+        net: pretrained model
+        device: cpu or cuda
+    Returns:
+        Dict (key: imagePath, value: feature)
+    """
+    data = test_preprocess(images, transform)
+    data = data.to(device)
+    net = net.to(device)
+    with torch.no_grad():
+        features = net(data)
+    # res = {img: feature for (img, feature) in zip(images, features)}
+    return features
+
+
+
+if __name__ == '__main__':
+    # Network Setup
+    if conf.testbackbone == 'resnet18':
+        model = resnet18().to(device)
+    else:
+        raise ValueError('Have not model {}'.format(conf.backbone))
+
+    print('load model {} '.format(conf.testbackbone))
+    # model = nn.DataParallel(model).to(conf.device)
+    model.load_state_dict(torch.load(conf.test_model, map_location=conf.device))
+    model.eval()
+
+    # images = unique_image(conf.test_list)
+    # images = [osp.join(conf.test_val, img) for img in images]
+    # print('images', images)
+    # images = ['./data/2250_train/val/6920616313186/6920616313186_6920616313186_20240220-124502_53d2e103-ae3a-4689-b745-9d8723b770fe_front_returnGood_70f75407b7ae_31_01.jpg']
+
+
+    # groups = group_image(conf.test_val, conf.test_batch_size)  ##根据batch_size取图片
+    groups = group_image('img_test', 1)  ##根据batch_size取图片, 默认batch_size = 8
+
+    feature_dict = dict()
+    for group in groups:
+        s = time.time()
+        features = featurize(group, conf.test_transform, model, conf.device)
+        e = time.time()
+        print('time: {}'.format(e - s))
+        # out = softmax(features, dim=1).argmax(dim=1)
+        # print('d >>> {}'. format(out))
+        # feature_dict.update(d)

contrast/feat_extract/resnet_vit/model/__init__.py

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+from .resnet_pre import resnet18, resnet34, resnet50, resnet14

contrast/feat_extract/resnet_vit/model/resnet_pre.py

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+import torch
+import torch.nn as nn
+from config import config as conf
+
+try:
+    from torch.hub import load_state_dict_from_url
+except ImportError:
+    from torch.utils.model_zoo import load_url as load_state_dict_from_url
+# from .utils import load_state_dict_from_url
+
+__all__ = ['ResNet', 'resnet18', 'resnet34', 'resnet50', 'resnet101',
+           'resnet152', 'resnext50_32x4d', 'resnext101_32x8d',
+           'wide_resnet50_2', 'wide_resnet101_2']
+
+model_urls = {
+    'resnet18': 'https://download.pytorch.org/models/resnet18-5c106cde.pth',
+    'resnet34': 'https://download.pytorch.org/models/resnet34-333f7ec4.pth',
+    'resnet50': 'https://download.pytorch.org/models/resnet50-19c8e357.pth',
+    'resnet101': 'https://download.pytorch.org/models/resnet101-5d3b4d8f.pth',
+    'resnet152': 'https://download.pytorch.org/models/resnet152-b121ed2d.pth',
+    'resnext50_32x4d': 'https://download.pytorch.org/models/resnext50_32x4d-7cdf4587.pth',
+    'resnext101_32x8d': 'https://download.pytorch.org/models/resnext101_32x8d-8ba56ff5.pth',
+    'wide_resnet50_2': 'https://download.pytorch.org/models/wide_resnet50_2-95faca4d.pth',
+    'wide_resnet101_2': 'https://download.pytorch.org/models/wide_resnet101_2-32ee1156.pth',
+}
+
+
+def conv3x3(in_planes, out_planes, stride=1, groups=1, dilation=1):
+    """3x3 convolution with padding"""
+    return nn.Conv2d(in_planes, out_planes, kernel_size=3, stride=stride,
+                     padding=dilation, groups=groups, bias=False, dilation=dilation)
+
+def conv1x1(in_planes, out_planes, stride=1):
+    """1x1 convolution"""
+    return nn.Conv2d(in_planes, out_planes, kernel_size=1, stride=stride, bias=False)
+
+
+class SpatialAttention(nn.Module):
+    def __init__(self, kernel_size=7):
+        super(SpatialAttention, self).__init__()
+
+        assert kernel_size in (3, 7), 'kernel size must be 3 or 7'
+        padding = 3 if kernel_size == 7 else 1
+
+        self.conv1 = nn.Conv2d(2, 1, kernel_size, padding=padding, bias=False)
+        self.sigmoid = nn.Sigmoid()
+
+    def forward(self, x):
+        avg_out = torch.mean(x, dim=1, keepdim=True)
+        max_out, _ = torch.max(x, dim=1, keepdim=True)
+        x = torch.cat([avg_out, max_out], dim=1)
+        x = self.conv1(x)
+        return self.sigmoid(x)
+
+class BasicBlock(nn.Module):
+    expansion = 1
+
+    def __init__(self, inplanes, planes, stride=1, downsample=None, groups=1,
+                 base_width=64, dilation=1, norm_layer=None, cam=False, bam=False):
+        super(BasicBlock, self).__init__()
+        if norm_layer is None:
+            norm_layer = nn.BatchNorm2d
+        if groups != 1 or base_width != 64:
+            raise ValueError('BasicBlock only supports groups=1 and base_width=64')
+        if dilation > 1:
+            raise NotImplementedError("Dilation > 1 not supported in BasicBlock")
+        self.cam = cam
+        self.bam = bam
+        # Both self.conv1 and self.downsample layers downsample the input when stride != 1
+        self.conv1 = conv3x3(inplanes, planes, stride)
+        self.bn1 = norm_layer(planes)
+        self.relu = nn.ReLU(inplace=True)
+        self.conv2 = conv3x3(planes, planes)
+        self.bn2 = norm_layer(planes)
+        self.downsample = downsample
+        self.stride = stride
+        if self.cam:
+            if planes == 64:
+                self.globalAvgPool = nn.AvgPool2d(56, stride=1)
+            elif planes == 128:
+                self.globalAvgPool = nn.AvgPool2d(28, stride=1)
+            elif planes == 256:
+                self.globalAvgPool = nn.AvgPool2d(14, stride=1)
+            elif planes == 512:
+                self.globalAvgPool = nn.AvgPool2d(7, stride=1)
+
+            self.fc1 = nn.Linear(in_features=planes, out_features=round(planes / 16))
+            self.fc2 = nn.Linear(in_features=round(planes / 16), out_features=planes)
+            self.sigmod = nn.Sigmoid()
+        if self.bam:
+            self.bam = SpatialAttention()
+
+    def forward(self, x):
+        identity = x
+
+        out = self.conv1(x)
+        out = self.bn1(out)
+        out = self.relu(out)
+
+        out = self.conv2(out)
+        out = self.bn2(out)
+
+        if self.downsample is not None:
+            identity = self.downsample(x)
+
+        if self.cam:
+            ori_out = self.globalAvgPool(out)
+            out = out.view(out.size(0), -1)
+            out = self.fc1(out)
+            out = self.relu(out)
+            out = self.fc2(out)
+            out = self.sigmod(out)
+            out = out.view(out.size(0), out.size(-1), 1, 1)
+            out = out * ori_out
+
+        if self.bam:
+            out = out*self.bam(out)
+
+        out += identity
+        out = self.relu(out)
+
+        return out
+
+
+class Bottleneck(nn.Module):
+    # Bottleneck in torchvision places the stride for downsampling at 3x3 convolution(self.conv2)
+    # while original implementation places the stride at the first 1x1 convolution(self.conv1)
+    # according to "Deep residual learning for image recognition"https://arxiv.org/abs/1512.03385.
+    # This variant is also known as ResNet V1.5 and improves accuracy according to
+    # https://ngc.nvidia.com/catalog/model-scripts/nvidia:resnet_50_v1_5_for_pytorch.
+
+    expansion = 4
+
+    def __init__(self, inplanes, planes, stride=1, downsample=None, groups=1,
+                 base_width=64, dilation=1, norm_layer=None, cam=False, bam=False):
+        super(Bottleneck, self).__init__()
+        if norm_layer is None:
+            norm_layer = nn.BatchNorm2d
+        width = int(planes * (base_width / 64.)) * groups
+        self.cam = cam
+        self.bam = bam
+        # Both self.conv2 and self.downsample layers downsample the input when stride != 1
+        self.conv1 = conv1x1(inplanes, width)
+        self.bn1 = norm_layer(width)
+        self.conv2 = conv3x3(width, width, stride, groups, dilation)
+        self.bn2 = norm_layer(width)
+        self.conv3 = conv1x1(width, planes * self.expansion)
+        self.bn3 = norm_layer(planes * self.expansion)
+        self.relu = nn.ReLU(inplace=True)
+        self.downsample = downsample
+        self.stride = stride
+        if self.cam:
+            if planes == 64:
+                self.globalAvgPool = nn.AvgPool2d(56, stride=1)
+            elif planes == 128:
+                self.globalAvgPool = nn.AvgPool2d(28, stride=1)
+            elif planes == 256:
+                self.globalAvgPool = nn.AvgPool2d(14, stride=1)
+            elif planes == 512:
+                self.globalAvgPool = nn.AvgPool2d(7, stride=1)
+
+            self.fc1 = nn.Linear(planes * self.expansion, round(planes / 4))
+            self.fc2 = nn.Linear(round(planes / 4), planes * self.expansion)
+            self.sigmod = nn.Sigmoid()
+
+    def forward(self, x):
+        identity = x
+
+        out = self.conv1(x)
+        out = self.bn1(out)
+        out = self.relu(out)
+
+        out = self.conv2(out)
+        out = self.bn2(out)
+        out = self.relu(out)
+
+        out = self.conv3(out)
+        out = self.bn3(out)
+
+        if self.downsample is not None:
+            identity = self.downsample(x)
+
+        if self.cam:
+            ori_out = self.globalAvgPool(out)
+            out = out.view(out.size(0), -1)
+            out = self.fc1(out)
+            out = self.relu(out)
+            out = self.fc2(out)
+            out = self.sigmod(out)
+            out = out.view(out.size(0), out.size(-1), 1, 1)
+            out = out * ori_out
+        out += identity
+        out = self.relu(out)
+        return out
+
+
+class ResNet(nn.Module):
+
+    def __init__(self, block, layers, num_classes=conf.embedding_size, zero_init_residual=False,
+                 groups=1, width_per_group=64, replace_stride_with_dilation=None,
+                 norm_layer=None, scale=0.75):
+        super(ResNet, self).__init__()
+        if norm_layer is None:
+            norm_layer = nn.BatchNorm2d
+        self._norm_layer = norm_layer
+
+        self.inplanes = 64
+        self.dilation = 1
+        if replace_stride_with_dilation is None:
+            # each element in the tuple indicates if we should replace
+            # the 2x2 stride with a dilated convolution instead
+            replace_stride_with_dilation = [False, False, False]
+        if len(replace_stride_with_dilation) != 3:
+            raise ValueError("replace_stride_with_dilation should be None "
+                             "or a 3-element tuple, got {}".format(replace_stride_with_dilation))
+        self.groups = groups
+        self.base_width = width_per_group
+        self.conv1 = nn.Conv2d(3, self.inplanes, kernel_size=7, stride=2, padding=3,
+                               bias=False)
+        self.bn1 = norm_layer(self.inplanes)
+        self.relu = nn.ReLU(inplace=True)
+        self.maxpool = nn.MaxPool2d(kernel_size=3, stride=2, padding=1)
+        self.layer1 = self._make_layer(block, int(64*scale), layers[0])
+        self.layer2 = self._make_layer(block, int(128*scale), layers[1], stride=2,
+                                       dilate=replace_stride_with_dilation[0])
+        self.layer3 = self._make_layer(block, int(256*scale), layers[2], stride=2,
+                                       dilate=replace_stride_with_dilation[1])
+        self.layer4 = self._make_layer(block, int(512*scale), layers[3], stride=2,
+                                       dilate=replace_stride_with_dilation[2])
+        self.avgpool = nn.AdaptiveAvgPool2d((1, 1))
+        self.fc = nn.Linear(int(512 * block.expansion*scale), num_classes)
+
+        for m in self.modules():
+            if isinstance(m, nn.Conv2d):
+                nn.init.kaiming_normal_(m.weight, mode='fan_out', nonlinearity='relu')
+            elif isinstance(m, (nn.BatchNorm2d, nn.GroupNorm)):
+                nn.init.constant_(m.weight, 1)
+                nn.init.constant_(m.bias, 0)
+
+        # Zero-initialize the last BN in each residual branch,
+        # so that the residual branch starts with zeros, and each residual block behaves like an identity.
+        # This improves the model by 0.2~0.3% according to https://arxiv.org/abs/1706.02677
+        if zero_init_residual:
+            for m in self.modules():
+                if isinstance(m, Bottleneck):
+                    nn.init.constant_(m.bn3.weight, 0)
+                elif isinstance(m, BasicBlock):
+                    nn.init.constant_(m.bn2.weight, 0)
+
+    def _make_layer(self, block, planes, blocks, stride=1, dilate=False):
+        norm_layer = self._norm_layer
+        downsample = None
+        previous_dilation = self.dilation
+        if dilate:
+            self.dilation *= stride
+            stride = 1
+        if stride != 1 or self.inplanes != planes * block.expansion:
+            downsample = nn.Sequential(
+                conv1x1(self.inplanes, planes * block.expansion, stride),
+                norm_layer(planes * block.expansion),
+            )
+
+        layers = []
+        layers.append(block(self.inplanes, planes, stride, downsample, self.groups,
+                            self.base_width, previous_dilation, norm_layer))
+        self.inplanes = planes * block.expansion
+        for _ in range(1, blocks):
+            layers.append(block(self.inplanes, planes, groups=self.groups,
+                                base_width=self.base_width, dilation=self.dilation,
+                                norm_layer=norm_layer))
+        return nn.Sequential(*layers)
+
+    def _forward_impl(self, x):
+        # See note [TorchScript super()]
+        x = self.conv1(x)
+        x = self.bn1(x)
+        x = self.relu(x)
+        x = self.maxpool(x)
+
+        x = self.layer1(x)
+        x = self.layer2(x)
+        x = self.layer3(x)
+        x = self.layer4(x)
+
+        # print('poolBefore', x.shape)
+        x = self.avgpool(x)
+        # print('poolAfter', x.shape)
+        x = torch.flatten(x, 1)
+        # print('fcBefore',x.shape)
+        x = self.fc(x)
+
+        # print('fcAfter',x.shape)
+
+        return x
+
+    def forward(self, x):
+        return self._forward_impl(x)
+
+
+# def _resnet(arch, block, layers, pretrained, progress, **kwargs):
+#     model = ResNet(block, layers, **kwargs)
+#     if pretrained:
+#         state_dict = load_state_dict_from_url(model_urls[arch],
+#                                               progress=progress)
+#         model.load_state_dict(state_dict, strict=False)
+#     return model
+def _resnet(arch, block, layers, pretrained, progress, **kwargs):
+    model = ResNet(block, layers, **kwargs)
+    if pretrained:
+        state_dict = load_state_dict_from_url(model_urls[arch],
+                                              progress=progress)
+
+        src_state_dict = state_dict
+        target_state_dict = model.state_dict()
+        skip_keys = []
+        # skip mismatch size tensors in case of pretraining
+        for k in src_state_dict.keys():
+            if k not in target_state_dict:
+                continue
+            if src_state_dict[k].size() != target_state_dict[k].size():
+                skip_keys.append(k)
+        for k in skip_keys:
+            del src_state_dict[k]
+        missing_keys, unexpected_keys = model.load_state_dict(src_state_dict, strict=False)
+
+    return model
+
+
+def resnet14(pretrained=True, progress=True, **kwargs):
+    r"""ResNet-14 model from
+    `"Deep Residual Learning for Image Recognition" <https://arxiv.org/pdf/1512.03385.pdf>`_
+
+    Args:
+        pretrained (bool): If True, returns a model pre-trained on ImageNet
+        progress (bool): If True, displays a progress bar of the download to stderr
+    """
+    return _resnet('resnet18', BasicBlock, [2, 1, 1, 2], pretrained, progress,
+                   **kwargs)
+
+
+def resnet18(pretrained=True, progress=True, **kwargs):
+    r"""ResNet-18 model from
+    `"Deep Residual Learning for Image Recognition" <https://arxiv.org/pdf/1512.03385.pdf>`_
+
+    Args:
+        pretrained (bool): If True, returns a model pre-trained on ImageNet
+        progress (bool): If True, displays a progress bar of the download to stderr
+    """
+    return _resnet('resnet18', BasicBlock, [2, 2, 2, 2], pretrained, progress,
+                   **kwargs)
+
+
+def resnet34(pretrained=False, progress=True, **kwargs):
+    r"""ResNet-34 model from
+    `"Deep Residual Learning for Image Recognition" <https://arxiv.org/pdf/1512.03385.pdf>`_
+
+    Args:
+        pretrained (bool): If True, returns a model pre-trained on ImageNet
+        progress (bool): If True, displays a progress bar of the download to stderr
+    """
+    return _resnet('resnet34', BasicBlock, [3, 4, 6, 3], pretrained, progress,
+                   **kwargs)
+
+
+def resnet50(pretrained=False, progress=True, **kwargs):
+    r"""ResNet-50 model from
+    `"Deep Residual Learning for Image Recognition" <https://arxiv.org/pdf/1512.03385.pdf>`_
+
+    Args:
+        pretrained (bool): If True, returns a model pre-trained on ImageNet
+        progress (bool): If True, displays a progress bar of the download to stderr
+    """
+    return _resnet('resnet50', Bottleneck, [3, 4, 6, 3], pretrained, progress,
+                   **kwargs)
+
+
+def resnet101(pretrained=False, progress=True, **kwargs):
+    r"""ResNet-101 model from
+    `"Deep Residual Learning for Image Recognition" <https://arxiv.org/pdf/1512.03385.pdf>`_
+
+    Args:
+        pretrained (bool): If True, returns a model pre-trained on ImageNet
+        progress (bool): If True, displays a progress bar of the download to stderr
+    """
+    return _resnet('resnet101', Bottleneck, [3, 4, 23, 3], pretrained, progress,
+                   **kwargs)
+
+
+def resnet152(pretrained=False, progress=True, **kwargs):
+    r"""ResNet-152 model from
+    `"Deep Residual Learning for Image Recognition" <https://arxiv.org/pdf/1512.03385.pdf>`_
+
+    Args:
+        pretrained (bool): If True, returns a model pre-trained on ImageNet
+        progress (bool): If True, displays a progress bar of the download to stderr
+    """
+    return _resnet('resnet152', Bottleneck, [3, 8, 36, 3], pretrained, progress,
+                   **kwargs)
+
+
+def resnext50_32x4d(pretrained=False, progress=True, **kwargs):
+    r"""ResNeXt-50 32x4d model from
+    `"Aggregated Residual Transformation for Deep Neural Networks" <https://arxiv.org/pdf/1611.05431.pdf>`_
+
+    Args:
+        pretrained (bool): If True, returns a model pre-trained on ImageNet
+        progress (bool): If True, displays a progress bar of the download to stderr
+    """
+    kwargs['groups'] = 32
+    kwargs['width_per_group'] = 4
+    return _resnet('resnext50_32x4d', Bottleneck, [3, 4, 6, 3],
+                   pretrained, progress, **kwargs)
+
+
+def resnext101_32x8d(pretrained=False, progress=True, **kwargs):
+    r"""ResNeXt-101 32x8d model from
+    `"Aggregated Residual Transformation for Deep Neural Networks" <https://arxiv.org/pdf/1611.05431.pdf>`_
+
+    Args:
+        pretrained (bool): If True, returns a model pre-trained on ImageNet
+        progress (bool): If True, displays a progress bar of the download to stderr
+    """
+    kwargs['groups'] = 32
+    kwargs['width_per_group'] = 8
+    return _resnet('resnext101_32x8d', Bottleneck, [3, 4, 23, 3],
+                   pretrained, progress, **kwargs)
+
+
+def wide_resnet50_2(pretrained=False, progress=True, **kwargs):
+    r"""Wide ResNet-50-2 model from
+    `"Wide Residual Networks" <https://arxiv.org/pdf/1605.07146.pdf>`_
+
+    The model is the same as ResNet except for the bottleneck number of channels
+    which is twice larger in every block. The number of channels in outer 1x1
+    convolutions is the same, e.g. last block in ResNet-50 has 2048-512-2048
+    channels, and in Wide ResNet-50-2 has 2048-1024-2048.
+
+    Args:
+        pretrained (bool): If True, returns a model pre-trained on ImageNet
+        progress (bool): If True, displays a progress bar of the download to stderr
+    """
+    kwargs['width_per_group'] = 64 * 2
+    return _resnet('wide_resnet50_2', Bottleneck, [3, 4, 6, 3],
+                   pretrained, progress, **kwargs)
+
+
+def wide_resnet101_2(pretrained=False, progress=True, **kwargs):
+    r"""Wide ResNet-101-2 model from
+    `"Wide Residual Networks" <https://arxiv.org/pdf/1605.07146.pdf>`_
+
+    The model is the same as ResNet except for the bottleneck number of channels
+    which is twice larger in every block. The number of channels in outer 1x1
+    convolutions is the same, e.g. last block in ResNet-50 has 2048-512-2048
+    channels, and in Wide ResNet-50-2 has 2048-1024-2048.
+
+    Args:
+        pretrained (bool): If True, returns a model pre-trained on ImageNet
+        progress (bool): If True, displays a progress bar of the download to stderr
+    """
+    kwargs['width_per_group'] = 64 * 2
+    return _resnet('wide_resnet101_2', Bottleneck, [3, 4, 23, 3],
+                   pretrained, progress, **kwargs)