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| # parameters | |
| nc: 80 # number of classes | |
| depth_multiple: 1.0 # model depth multiple | |
| width_multiple: 1.0 # layer channel multiple | |
| # anchors | |
| anchors: | |
| - [12,16, 19,36, 40,28] # P3/8 | |
| - [36,75, 76,55, 72,146] # P4/16 | |
| - [142,110, 192,243, 459,401] # P5/32 | |
| # CSP-Darknet backbone | |
| backbone: | |
| # [from, number, module, args] | |
| [[-1, 1, Conv, [32, 3, 1]], # 0 | |
| [-1, 1, Conv, [64, 3, 2]], # 1-P1/2 | |
| [-1, 1, Bottleneck, [64]], | |
| [-1, 1, Conv, [128, 3, 2]], # 3-P2/4 | |
| [-1, 2, BottleneckCSPC, [128]], | |
| [-1, 1, Conv, [256, 3, 2]], # 5-P3/8 | |
| [-1, 8, BottleneckCSPC, [256]], | |
| [-1, 1, Conv, [512, 3, 2]], # 7-P4/16 | |
| [-1, 8, BottleneckCSPC, [512]], | |
| [-1, 1, Conv, [1024, 3, 2]], # 9-P5/32 | |
| [-1, 4, BottleneckCSPC, [1024]], # 10 | |
| ] | |
| # CSP-Dark-PAN head | |
| head: | |
| [[-1, 1, SPPCSPC, [512]], # 11 | |
| [-1, 1, Conv, [256, 1, 1]], | |
| [-1, 1, nn.Upsample, [None, 2, 'nearest']], | |
| [8, 1, Conv, [256, 1, 1]], # route backbone P4 | |
| [[-1, -2], 1, Concat, [1]], | |
| [-1, 2, BottleneckCSPB, [256]], # 16 | |
| [-1, 1, Conv, [128, 1, 1]], | |
| [-1, 1, nn.Upsample, [None, 2, 'nearest']], | |
| [6, 1, Conv, [128, 1, 1]], # route backbone P3 | |
| [[-1, -2], 1, Concat, [1]], | |
| [-1, 2, BottleneckCSPB, [128]], # 21 | |
| [-1, 1, Conv, [256, 3, 1]], | |
| [-2, 1, Conv, [256, 3, 2]], | |
| [[-1, 16], 1, Concat, [1]], # cat | |
| [-1, 2, BottleneckCSPB, [256]], # 25 | |
| [-1, 1, Conv, [512, 3, 1]], | |
| [-2, 1, Conv, [512, 3, 2]], | |
| [[-1, 11], 1, Concat, [1]], # cat | |
| [-1, 2, BottleneckCSPB, [512]], # 29 | |
| [-1, 1, Conv, [1024, 3, 1]], | |
| [[22,26,30], 1, IDetect, [nc, anchors]], # Detect(P3, P4, P5) | |
| ] | |