| Layer | Details | | Layer | Details |
|---|
| Input | | | Output | |
| ↓ | | | ↑ | |
| ↓ | | | conv9_3 | 1x1x32; ReLU |
| ↓ | | | conv9_2 | 3x3x64; ReLU |
| conv1_1 | 3x3x32; ReLU | | conv9_1 | 3x3x64; ReLU |
| conv1_2 | 3x3x32; ReLU | → | concat4 | concatenate upsample4 with conv1_2 |
| ↓ | | | ↑ | |
| pool1 | 2x2 max pool stride 2 | | ↑ | |
| ↓ | | | upsample4 | 2x2 upsample of conv8 |
| conv2_1 | 3x3x64; ReLU | | conv8 | 3x3x32; ReLU |
| conv2_2 | 3x3x64;ReLU | → | concat3 | concatenate upsample3 with conv2_2 |
| ↓ | | | ↑ | |
| pool2 | 2x2 max pool stride 2 | | ↑ | |
| ↓ | | | upsample3 | 2x2 upsample of conv7 |
| conv3_1 | 3x3x128; ReLU | | conv7 | 3x3x64; ReLU |
| conv3_2 | 1x1x128; ReLU | | ↑ | |
| conv3_3 | 1x1x128; ReLU | → | concat2 | concatenate upsample2 with conv3_3 |
| ↓ | | | ↑ | |
| pool3 | 2x2 max pool stride 2 | | ↑ | |
| conv4_1 | 3x3x256; ReLU | | upsample2 | 2x2 upsample of conv6 |
| conv4_2 | 3x3x256; ReLU | | conv6 | 3x3x128; ReLU |
| conv4_3 | 1x1x256;ReLU | → | concat1 | concatenate upsample1 with conv4_3 |
| ↓ | | | ↑ | |
| pool4 | 2x2 max pool stride 2 | | ↑ | |
| conv5_1 | 3x3x256; ReLU | | upsample1 | 2x2 upsample of conv5_3 |
| conv5_2 | 3x3x256; ReLU | | ↑ | |
| conv5_3 | 1x1x256; ReLU | → | ↑ | |
