| 6 | |
| 7 | |
| 8 | class VGGEncoder(nn.Module): |
| 9 | def __init__(self, level): |
| 10 | super(VGGEncoder, self).__init__() |
| 11 | self.level = level |
| 12 | |
| 13 | # 224 x 224 |
| 14 | self.conv0 = nn.Conv2d(3, 3, 1, 1, 0) |
| 15 | |
| 16 | self.pad1_1 = nn.ReflectionPad2d((1, 1, 1, 1)) |
| 17 | # 226 x 226 |
| 18 | self.conv1_1 = nn.Conv2d(3, 64, 3, 1, 0) |
| 19 | self.relu1_1 = nn.ReLU(inplace=True) |
| 20 | # 224 x 224 |
| 21 | |
| 22 | if level < 2: return |
| 23 | |
| 24 | self.pad1_2 = nn.ReflectionPad2d((1, 1, 1, 1)) |
| 25 | self.conv1_2 = nn.Conv2d(64, 64, 3, 1, 0) |
| 26 | self.relu1_2 = nn.ReLU(inplace=True) |
| 27 | # 224 x 224 |
| 28 | self.maxpool1 = nn.MaxPool2d(kernel_size=2, stride=2, return_indices=True) |
| 29 | # 112 x 112 |
| 30 | |
| 31 | self.pad2_1 = nn.ReflectionPad2d((1, 1, 1, 1)) |
| 32 | self.conv2_1 = nn.Conv2d(64, 128, 3, 1, 0) |
| 33 | self.relu2_1 = nn.ReLU(inplace=True) |
| 34 | # 112 x 112 |
| 35 | |
| 36 | if level < 3: return |
| 37 | |
| 38 | self.pad2_2 = nn.ReflectionPad2d((1, 1, 1, 1)) |
| 39 | self.conv2_2 = nn.Conv2d(128, 128, 3, 1, 0) |
| 40 | self.relu2_2 = nn.ReLU(inplace=True) |
| 41 | # 112 x 112 |
| 42 | |
| 43 | self.maxpool2 = nn.MaxPool2d(kernel_size=2, stride=2, return_indices=True) |
| 44 | # 56 x 56 |
| 45 | |
| 46 | self.pad3_1 = nn.ReflectionPad2d((1, 1, 1, 1)) |
| 47 | self.conv3_1 = nn.Conv2d(128, 256, 3, 1, 0) |
| 48 | self.relu3_1 = nn.ReLU(inplace=True) |
| 49 | # 56 x 56 |
| 50 | |
| 51 | if level < 4: return |
| 52 | |
| 53 | self.pad3_2 = nn.ReflectionPad2d((1, 1, 1, 1)) |
| 54 | self.conv3_2 = nn.Conv2d(256, 256, 3, 1, 0) |
| 55 | self.relu3_2 = nn.ReLU(inplace=True) |
| 56 | # 56 x 56 |
| 57 | |
| 58 | self.pad3_3 = nn.ReflectionPad2d((1, 1, 1, 1)) |
| 59 | self.conv3_3 = nn.Conv2d(256, 256, 3, 1, 0) |
| 60 | self.relu3_3 = nn.ReLU(inplace=True) |
| 61 | # 56 x 56 |
| 62 | |
| 63 | self.pad3_4 = nn.ReflectionPad2d((1, 1, 1, 1)) |
| 64 | self.conv3_4 = nn.Conv2d(256, 256, 3, 1, 0) |
| 65 | self.relu3_4 = nn.ReLU(inplace=True) |
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