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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)
- ]
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