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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-ResNeXt backbone
- backbone:
- # [from, number, module, args]
- [[-1, 1, Stem, [128]], # 0-P1/2
- [-1, 3, ResXCSPC, [128]],
- [-1, 1, Conv, [256, 3, 2]], # 2-P3/8
- [-1, 4, ResXCSPC, [256]],
- [-1, 1, Conv, [512, 3, 2]], # 4-P3/8
- [-1, 6, ResXCSPC, [512]],
- [-1, 1, Conv, [1024, 3, 2]], # 6-P3/8
- [-1, 3, ResXCSPC, [1024]], # 7
- ]
- # CSP-ResX-PAN head
- head:
- [[-1, 1, SPPCSPC, [512]], # 8
- [-1, 1, Conv, [256, 1, 1]],
- [-1, 1, nn.Upsample, [None, 2, 'nearest']],
- [5, 1, Conv, [256, 1, 1]], # route backbone P4
- [[-1, -2], 1, Concat, [1]],
- [-1, 2, ResXCSPB, [256]], # 13
- [-1, 1, Conv, [128, 1, 1]],
- [-1, 1, nn.Upsample, [None, 2, 'nearest']],
- [3, 1, Conv, [128, 1, 1]], # route backbone P3
- [[-1, -2], 1, Concat, [1]],
- [-1, 2, ResXCSPB, [128]], # 18
- [-1, 1, Conv, [256, 3, 1]],
- [-2, 1, Conv, [256, 3, 2]],
- [[-1, 13], 1, Concat, [1]], # cat
- [-1, 2, ResXCSPB, [256]], # 22
- [-1, 1, Conv, [512, 3, 1]],
- [-2, 1, Conv, [512, 3, 2]],
- [[-1, 8], 1, Concat, [1]], # cat
- [-1, 2, ResXCSPB, [512]], # 26
- [-1, 1, Conv, [1024, 3, 1]],
- [[19,23,27], 1, IDetect, [nc, anchors]], # Detect(P3, P4, P5)
- ]
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