Exemplo n.º 1
0
    def __init__(self,
                 builder: ConvBuilder,
                 num_blocks,
                 num_classes=1000,
                 deps=None):
        super(SBottleneckResNet, self).__init__()
        # self.mean_tensor = torch.from_numpy(np.array([0.485, 0.456, 0.406])).reshape(1, 3, 1, 1).cuda().type(torch.cuda.FloatTensor)
        # self.std_tensor = torch.from_numpy(np.array([0.229, 0.224, 0.225])).reshape(1, 3, 1, 1).cuda().type(torch.cuda.FloatTensor)

        # self.mean_tensor = torch.from_numpy(np.array([0.406, 0.456, 0.485])).reshape(1, 3, 1, 1).cuda().type(
        #     torch.cuda.FloatTensor)
        # self.std_tensor = torch.from_numpy(np.array([0.225, 0.224, 0.229])).reshape(1, 3, 1, 1).cuda().type(
        #     torch.cuda.FloatTensor)

        # self.mean_tensor = torch.from_numpy(np.array([0.5, 0.5, 0.5])).reshape(1, 3, 1, 1).cuda().type(
        #     torch.cuda.FloatTensor)
        # self.std_tensor = torch.from_numpy(np.array([0.5, 0.5, 0.5])).reshape(1, 3, 1, 1).cuda().type(
        #     torch.cuda.FloatTensor)

        if deps is None:
            if num_blocks == [3, 4, 6, 3]:
                deps = RESNET50_ORIGIN_DEPS_FLATTENED
            elif num_blocks == [3, 4, 23, 3]:
                deps = resnet_bottleneck_origin_deps_flattened(101)
            else:
                raise ValueError('???')

        self.conv1 = builder.Conv2dBNReLU(3,
                                          deps[0],
                                          kernel_size=7,
                                          stride=2,
                                          padding=3)
        self.maxpool = builder.Maxpool2d(kernel_size=3, stride=2, padding=1)
        #   every stage has  num_block * 3 + 1
        nls = [n * 3 + 1 for n in num_blocks]  # num layers in each stage
        self.stage1 = ResNetBottleneckStage(builder=builder,
                                            in_planes=deps[0],
                                            stage_deps=deps[1:nls[0] + 1])
        self.stage2 = ResNetBottleneckStage(builder=builder,
                                            in_planes=deps[nls[0]],
                                            stage_deps=deps[nls[0] + 1:nls[0] +
                                                            1 + nls[1]],
                                            stride=2)
        self.stage3 = ResNetBottleneckStage(
            builder=builder,
            in_planes=deps[nls[0] + nls[1]],
            stage_deps=deps[nls[0] + nls[1] + 1:nls[0] + 1 + nls[1] + nls[2]],
            stride=2)
        self.stage4 = ResNetBottleneckStage(
            builder=builder,
            in_planes=deps[nls[0] + nls[1] + nls[2]],
            stage_deps=deps[nls[0] + nls[1] + nls[2] + 1:nls[0] + 1 + nls[1] +
                            nls[2] + nls[3]],
            stride=2)
        self.gap = builder.GAP(kernel_size=7)
        self.fc = builder.Linear(deps[-1], num_classes)
Exemplo n.º 2
0
 def __init__(self, builder:ConvBuilder, num_classes):
     super(MobileV1CifarNet, self).__init__()
     self.conv1 = builder.Conv2dBNReLU(in_channels=3, out_channels=16, kernel_size=3, stride=1, padding=1)
     blocks = []
     in_planes = cifar_cfg[0]
     for x in cifar_cfg:
         out_planes = x if isinstance(x, int) else x[0]
         stride = 1 if isinstance(x, int) else x[1]
         blocks.append(MobileV1Block(builder=builder, in_planes=in_planes, out_planes=out_planes, stride=stride))
         in_planes = out_planes
     self.stem = builder.Sequential(*blocks)
     self.gap = builder.GAP(kernel_size=8)
     self.linear = builder.Linear(cifar_cfg[-1], num_classes)
Exemplo n.º 3
0
    def __init__(self, builder:ConvBuilder, num_classes, deps=None):
        super(MobileV1ImagenetNet, self).__init__()
        if deps is None:
            deps = MI1_ORIGIN_DEPS
        assert len(deps) == 27
        self.conv1 = builder.Conv2dBNReLU(in_channels=3, out_channels=deps[0], kernel_size=3, stride=2, padding=1)
        blocks = []
        for block_idx in range(13):
            depthwise_channels = int(deps[block_idx * 2 + 1])
            pointwise_channels = int(deps[block_idx * 2 + 2])
            stride = 2 if block_idx in [1, 3, 5, 11] else 1
            blocks.append(MobileV1Block(builder=builder, in_planes=depthwise_channels, out_planes=pointwise_channels, stride=stride))

        self.stem = builder.Sequential(*blocks)
        self.gap = builder.GAP(kernel_size=7)
        self.linear = builder.Linear(imagenet_cfg[-1], num_classes)
Exemplo n.º 4
0
    def __init__(self,
                 builder: ConvBuilder,
                 num_blocks,
                 num_classes=1000,
                 deps=None):
        super(SBottleneckResNet, self).__init__()

        if deps is None:
            if num_blocks == [3, 4, 6, 3]:
                deps = RESNET50_ORIGIN_DEPS_FLATTENED
            elif num_blocks == [3, 4, 23, 3]:
                deps = resnet_bottleneck_origin_deps_flattened(101)
            else:
                raise ValueError('???')

        self.conv1 = builder.Conv2dBNReLU(3,
                                          deps[0],
                                          kernel_size=7,
                                          stride=2,
                                          padding=3)
        self.maxpool = builder.Maxpool2d(kernel_size=3, stride=2, padding=1)
        #   every stage has  num_block * 3 + 1
        nls = [n * 3 + 1 for n in num_blocks]  # num layers in each stage
        self.stage1 = ResNetBottleneckStage(builder=builder,
                                            in_planes=deps[0],
                                            stage_deps=deps[1:nls[0] + 1])
        self.stage2 = ResNetBottleneckStage(builder=builder,
                                            in_planes=deps[nls[0]],
                                            stage_deps=deps[nls[0] + 1:nls[0] +
                                                            1 + nls[1]],
                                            stride=2)
        self.stage3 = ResNetBottleneckStage(
            builder=builder,
            in_planes=deps[nls[0] + nls[1]],
            stage_deps=deps[nls[0] + nls[1] + 1:nls[0] + 1 + nls[1] + nls[2]],
            stride=2)
        self.stage4 = ResNetBottleneckStage(
            builder=builder,
            in_planes=deps[nls[0] + nls[1] + nls[2]],
            stage_deps=deps[nls[0] + nls[1] + nls[2] + 1:nls[0] + 1 + nls[1] +
                            nls[2] + nls[3]],
            stride=2)
        self.gap = builder.GAP(kernel_size=7)
        self.fc = builder.Linear(deps[-1], num_classes)
Exemplo n.º 5
0
    def __init__(self,
                 builder: ConvBuilder,
                 block,
                 num_blocks,
                 num_classes=10,
                 width_multiplier=None):
        super(ResNet, self).__init__()

        print('width multiplier: ', width_multiplier)

        if width_multiplier is None:
            width_multiplier = 1
        else:
            width_multiplier = width_multiplier[0]

        self.bd = builder
        self.in_planes = int(64 * width_multiplier)
        self.conv1 = builder.Conv2dBNReLU(3,
                                          int(64 * width_multiplier),
                                          kernel_size=7,
                                          stride=2,
                                          padding=3)
        self.stage1 = self._make_stage(block,
                                       int(64 * width_multiplier),
                                       num_blocks[0],
                                       stride=1)
        self.stage2 = self._make_stage(block,
                                       int(128 * width_multiplier),
                                       num_blocks[1],
                                       stride=2)
        self.stage3 = self._make_stage(block,
                                       int(256 * width_multiplier),
                                       num_blocks[2],
                                       stride=2)
        self.stage4 = self._make_stage(block,
                                       int(512 * width_multiplier),
                                       num_blocks[3],
                                       stride=2)
        self.gap = builder.GAP(kernel_size=7)
        self.linear = self.bd.Linear(
            int(512 * block.expansion * width_multiplier), num_classes)