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. 2020 Sep 17;20(18):5315. doi: 10.3390/s20185315

Table 5.

DenseNet Network Structure in the Improved SSD Algorithm for Solid Wood Board Defect Recognition.

Layers DenseNet121 (k = 32) Output Size Channels
Input 200 × 200 3
Convolution 7 × 7 conv, stride 2 100 × 100 64
Pooling 3 × 3 max pool, stride 2 50 × 50 64
Dense Block (1) Bottleneck × 6 50 × 50 256
Transition Layer (1) 1 × 1 conv 50 × 50 128
2 × 2 average pool, stride 2 25 × 25 128
Dense Block (2) Bottleneck × 12 25 × 25 512
Transition Layer (2) 1 × 1 conv 25 × 25 256
2 × 2 average pool, stride 2 12 × 12 256
Dense Block (3) Bottleneck × 24 12 × 12 1024
Transition Layer (3) 1 × 1 conv 12 × 12 512
2 × 2 average pool, stride 2 6 × 6 512
Dense Block (4) Bottleneck × 16 6 × 6 1024
Conv Layer 1 × 1 conv 6 × 6 1024