Пример #1
0
    def __init__(self,
                 in_channels,
                 growth_rate=48,
                 block_config=(6, 12, 36, 24),
                 num_init_features=96,
                 bn_size=4,
                 drop_rate=0,
                 length_aux=10,
                 mode=None,
                 nddr_drop_rate=0,
                 memory_efficient=True):
        super(Dense_BB_ForUNet, self).__init__()
        self.features = nn.Sequential(
            OrderedDict([
                ('conv0',
                 nn.Conv2d(in_channels,
                           num_init_features,
                           kernel_size=7,
                           stride=2,
                           padding=3,
                           bias=False)),
                ('norm0', nn.BatchNorm2d(num_init_features)),
                ('relu0', nn.ReLU(inplace=True)),
                ('pool0', nn.MaxPool2d(kernel_size=3, stride=2, padding=1)),
            ]))
        num_features = num_init_features
        for i, num_layers in enumerate(block_config):
            block = _DenseBlock(num_layers=num_layers,
                                num_input_features=num_features,
                                bn_size=bn_size,
                                growth_rate=growth_rate,
                                drop_rate=drop_rate,
                                memory_efficient=memory_efficient)

            if (i == 0):
                self.block0 = block
            elif (i == 1):
                self.block1 = block
            elif (i == 2):
                self.block2 = block
            elif (i == 3):
                self.block3 = block
            num_features = num_features + num_layers * growth_rate
            if i != len(block_config) - 1:
                trans = _Transition(num_input_features=num_features,
                                    num_output_features=num_features // 2)
                if (i == 0):
                    self.transition0 = trans

                elif (i == 1):
                    self.transition1 = trans

                elif (i == 2):
                    self.transition2 = trans

                num_features = num_features // 2

        # Final batch norm

        self.final_bn = nn.BatchNorm2d(num_features)
Пример #2
0
    def __init__(self,
                 in_channels,
                 in_aux_channels,
                 growth_rate=48,
                 block_config=(6, 12, 36, 24),
                 num_init_features=96,
                 bn_size=4,
                 drop_rate=0,
                 num_classes=4,
                 length_aux=10,
                 mode='WeightMixtures',
                 nddr_drop_rate=0,
                 memory_efficient=True,
                 clf='PointRendBiased'):
        super(BestPractice2I, self).__init__()
        self.features = nn.Sequential(
            OrderedDict([
                ('conv0',
                 nn.Conv2d(in_channels,
                           num_init_features,
                           kernel_size=7,
                           stride=2,
                           padding=3,
                           bias=False)),
                ('norm0', nn.BatchNorm2d(num_init_features)),
                ('relu0', nn.ReLU(inplace=True)),
                # ('pool0', nn.MaxPool2d(kernel_size=3, stride=2, padding=1)),
            ]))

        self.features_aux = nn.Sequential(
            OrderedDict([
                ('conv0_aux',
                 nn.Conv2d(in_aux_channels,
                           num_init_features,
                           kernel_size=7,
                           stride=2,
                           padding=3,
                           bias=False)),
                ('norm0_aux', nn.BatchNorm2d(num_init_features)),
                ('relu0_aux', nn.ReLU(inplace=True)),
                # ('pool0_aux', nn.MaxPool2d(kernel_size=3, stride=2, padding=1)),
            ]))

        self.nddrf = NddrLayer(net0_channels=num_init_features,
                               net1_channels=num_init_features,
                               drop_rate=nddr_drop_rate)

        # Each denseblock
        num_features = num_init_features
        for i, num_layers in enumerate(block_config):
            block = _DenseBlock(num_layers=num_layers,
                                num_input_features=num_features,
                                bn_size=bn_size,
                                growth_rate=growth_rate,
                                drop_rate=drop_rate,
                                memory_efficient=memory_efficient)
            block_aux = _DenseBlock(num_layers=num_layers,
                                    num_input_features=num_features,
                                    bn_size=bn_size,
                                    growth_rate=growth_rate,
                                    drop_rate=drop_rate,
                                    memory_efficient=memory_efficient)
            if (i == 0):
                self.block0 = block
                self.block0_aux = block_aux
            elif (i == 1):
                self.block1 = block
                self.block1_aux = block_aux
            elif (i == 2):
                self.block2 = block
                self.block2_aux = block_aux
            elif (i == 3):
                self.block3 = block
                self.block3_aux = block_aux
            num_features = num_features + num_layers * growth_rate
            if i != len(block_config) - 1:
                trans = _Transition(num_input_features=num_features,
                                    num_output_features=num_features // 2,
                                    asc=True)
                trans_aux = _Transition(num_input_features=num_features,
                                        num_output_features=num_features // 2,
                                        asc=True)
                if (i == 0):
                    self.transition0 = trans
                    self.transition0_aux = trans_aux
                    self.nddr0 = NddrLayer(net0_channels=num_features // 2,
                                           net1_channels=num_features // 2,
                                           drop_rate=nddr_drop_rate)
                    self.sluice0_conv1 = nn.Conv2d(num_features // 2, 2208, 1)
                    self.sluice0_aux_conv1 = nn.Conv2d(num_features // 2, 2208,
                                                       1)

                elif (i == 1):
                    self.transition1 = trans
                    self.transition1_aux = trans_aux
                    self.nddr1 = NddrLayer(net0_channels=num_features // 2,
                                           net1_channels=num_features // 2,
                                           drop_rate=nddr_drop_rate)
                    self.sluice1_conv1 = nn.Conv2d(num_features // 2, 2208, 1)
                    self.sluice1_aux_conv1 = nn.Conv2d(num_features // 2, 2208,
                                                       1)
                elif (i == 2):
                    self.transition2 = trans
                    self.transition2_aux = trans_aux
                    self.nddr2 = NddrLayer(net0_channels=num_features // 2,
                                           net1_channels=num_features // 2,
                                           drop_rate=nddr_drop_rate)
                    self.sluice2_conv1 = nn.Conv2d(num_features // 2, 2208, 1)
                    self.sluice2_aux_conv1 = nn.Conv2d(num_features // 2, 2208,
                                                       1)
                num_features = num_features // 2

        # Final batch norm

        self.final_bn = nn.BatchNorm2d(num_features)
        self.final_bn_aux = nn.BatchNorm2d(num_features)
        self.nddr3 = NddrLayer(net0_channels=num_features,
                               net1_channels=num_features,
                               drop_rate=nddr_drop_rate)

        self.cross3 = nn.Linear(num_features * 2, num_features * 2, bias=False)
        self.cross4 = nn.Linear(2000, 2000, bias=False)
        self.cross5 = nn.Linear(6, 6, bias=False)

        self.betas_2layer = nn.Parameter(torch.tensor([0.7, 0.3]))
        self.betas_8layer = nn.Parameter(
            torch.tensor([0.05, 0.05, 0.1, 0.1, 0.15, 0.15, 0.2, 0.2]))

        self.mode = mode
        self.out_channels = 2208
        self.clf = clf
        if clf == 'PointRendBoth':
            self.fine_grained_channels = 384
        elif clf == 'PointRendBiased':
            self.fine_grained_channels = 768
Пример #3
0
    def __init__(self,
                 in_channels,
                 in_aux_channels,
                 num_classes,
                 growth_rate=48,
                 block_config=(6, 12, 36, 24),
                 num_init_features=96,
                 bn_size=4,
                 drop_rate=0,
                 length_aux=10,
                 mode=None,
                 nddr_drop_rate=0,
                 memory_efficient=True):
        super(NDDRLSC_BB_ForUNet, self).__init__()
        self.features = nn.Sequential(
            OrderedDict([
                ('conv0',
                 nn.Conv2d(in_channels,
                           num_init_features,
                           kernel_size=7,
                           stride=2,
                           padding=3,
                           bias=False)),
                ('norm0', nn.BatchNorm2d(num_init_features)),
                ('relu0', nn.ReLU(inplace=True)),
                ('pool0', nn.MaxPool2d(kernel_size=3, stride=2, padding=1)),
            ]))

        self.features_aux = nn.Sequential(
            OrderedDict([
                ('conv0_aux',
                 nn.Conv2d(in_aux_channels,
                           num_init_features,
                           kernel_size=7,
                           stride=2,
                           padding=3,
                           bias=False)),
                ('norm0_aux', nn.BatchNorm2d(num_init_features)),
                ('relu0_aux', nn.ReLU(inplace=True)),
                ('pool0_aux', nn.MaxPool2d(kernel_size=3, stride=2,
                                           padding=1)),
            ]))

        self.nddrf = NddrLayer(net0_channels=num_init_features,
                               net1_channels=num_init_features,
                               drop_rate=nddr_drop_rate)

        # Each denseblock
        num_features = num_init_features
        for i, num_layers in enumerate(block_config):
            block = _DenseBlock(num_layers=num_layers,
                                num_input_features=num_features,
                                bn_size=bn_size,
                                growth_rate=growth_rate,
                                drop_rate=drop_rate,
                                memory_efficient=memory_efficient)
            block_aux = _DenseBlock(num_layers=num_layers,
                                    num_input_features=num_features,
                                    bn_size=bn_size,
                                    growth_rate=growth_rate,
                                    drop_rate=drop_rate,
                                    memory_efficient=memory_efficient)
            if (i == 0):
                self.block0 = block
                self.block0_aux = block_aux
            elif (i == 1):
                self.block1 = block
                self.block1_aux = block_aux
            elif (i == 2):
                self.block2 = block
                self.block2_aux = block_aux
            elif (i == 3):
                self.block3 = block
                self.block3_aux = block_aux
            num_features = num_features + num_layers * growth_rate
            if i != len(block_config) - 1:
                trans = _Transition(num_input_features=num_features,
                                    num_output_features=num_features // 2)
                trans_aux = _Transition(num_input_features=num_features,
                                        num_output_features=num_features // 2)
                if (i == 0):
                    self.transition0 = trans
                    self.transition0_aux = trans_aux
                    self.nddr0 = NddrLayer(net0_channels=num_features // 2,
                                           net1_channels=num_features // 2,
                                           drop_rate=nddr_drop_rate)
                    self.sluice0_reshape = nn.Linear(num_features // 2, 2208)
                    self.sluice0_aux_reshape = nn.Linear(
                        num_features // 2, 2208)
                    # self.nddr0_conv1d = nn.Conv1d(num_features // 2 *2, num_features // 2)
                    # self.nddr0_conv1d_aux =
                    # self.nddr0_bn = nn.BatchNorm2d(num_features // 2)
                    # self.nddr0_bn_aux = nn.BatchNorm2d(num_features // 2)
                elif (i == 1):
                    self.transition1 = trans
                    self.transition1_aux = trans_aux
                    self.nddr1 = NddrLayer(net0_channels=num_features // 2,
                                           net1_channels=num_features // 2,
                                           drop_rate=nddr_drop_rate)
                    self.sluice1_reshape = nn.Linear(num_features // 2, 2208)
                    self.sluice1_aux_reshape = nn.Linear(
                        num_features // 2, 2208)
                elif (i == 2):
                    self.transition2 = trans
                    self.transition2_aux = trans_aux
                    self.nddr2 = NddrLayer(net0_channels=num_features // 2,
                                           net1_channels=num_features // 2,
                                           drop_rate=nddr_drop_rate)
                    self.sluice2_reshape = nn.Linear(num_features // 2, 2208)
                    self.sluice2_aux_reshape = nn.Linear(
                        num_features // 2, 2208)
                num_features = num_features // 2

        # Final batch norm

        self.final_bn = nn.BatchNorm2d(num_features)
        self.final_bn_aux = nn.BatchNorm2d(num_features)
        self.nddr3 = NddrLayer(net0_channels=num_features,
                               net1_channels=num_features,
                               drop_rate=nddr_drop_rate)
        self.sluice3_reshape = nn.Linear(num_features, 2208)
        self.sluice3_aux_reshape = nn.Linear(num_features, 2208)

        # Official init from torch repo.

        self.betas_5layer = nn.Parameter(
            torch.tensor([0.05, 0.1, 0.1, 0.25, 0.5]))
        self.betas_5layer_aux = nn.Parameter(
            torch.tensor([0.05, 0.1, 0.1, 0.25, 0.5]))
        self.betas_6layer = nn.Parameter(
            torch.tensor([0.05, 0.1, 0.1, 0.25, 0.5, 0.3]))
        self.betas_6layer_aux = nn.Parameter(
            torch.tensor([0.05, 0.1, 0.1, 0.25, 0.5, 0.3]))