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- # parameters
- nc: 3 # 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
- # yolov7 backbone
- backbone:
- # [from, number, module, args]
- [[-1, 1, Conv, [32, 3, 1]], # 0
-
- [-1, 1, Conv, [64, 3, 2]], # 1-P1/2
- [-1, 1, Conv, [64, 3, 1]],
-
- [-1, 1, Conv, [128, 3, 2]], # 3-P2/4
- [-1, 1, Conv, [64, 1, 1]],
- [-2, 1, Conv, [64, 1, 1]],
- [-1, 1, Conv, [64, 3, 1]],
- [-1, 1, Conv, [64, 3, 1]],
- [-1, 1, Conv, [64, 3, 1]],
- [-1, 1, Conv, [64, 3, 1]],
- [[-1, -3, -5, -6], 1, Concat, [1]],
- [-1, 1, Conv, [256, 1, 1]], # 11
-
- [-1, 1, MP, []],
- [-1, 1, Conv, [128, 1, 1]],
- [-3, 1, Conv, [128, 1, 1]],
- [-1, 1, Conv, [128, 3, 2]],
- [[-1, -3], 1, Concat, [1]], # 16-P3/8
- [-1, 1, Conv, [128, 1, 1]],
- [-2, 1, Conv, [128, 1, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [[-1, -3, -5, -6], 1, Concat, [1]],
- [-1, 1, Conv, [512, 1, 1]], # 24
-
- [-1, 1, MP, []],
- [-1, 1, Conv, [256, 1, 1]],
- [-3, 1, Conv, [256, 1, 1]],
- [-1, 1, Conv, [256, 3, 2]],
- [[-1, -3], 1, Concat, [1]], # 29-P4/16
- [-1, 1, Conv, [256, 1, 1]],
- [-2, 1, Conv, [256, 1, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [[-1, -3, -5, -6], 1, Concat, [1]],
- [-1, 1, Conv, [1024, 1, 1]], # 37
-
- [-1, 1, MP, []],
- [-1, 1, Conv, [512, 1, 1]],
- [-3, 1, Conv, [512, 1, 1]],
- [-1, 1, Conv, [512, 3, 2]],
- [[-1, -3], 1, Concat, [1]], # 42-P5/32
- [-1, 1, Conv, [256, 1, 1]],
- [-2, 1, Conv, [256, 1, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [[-1, -3, -5, -6], 1, Concat, [1]],
- [-1, 1, Conv, [1024, 1, 1]], # 50
- ]
- # yolov7 head
- head:
- [[-1, 1, SPPCSPC, [512]], # 51
-
- [-1, 1, Conv, [256, 1, 1]],
- [-1, 1, nn.Upsample, [None, 2, 'nearest']],
- [37, 1, Conv, [256, 1, 1]], # route backbone P4
- [[-1, -2], 1, Concat, [1]],
-
- [-1, 1, Conv, [256, 1, 1]],
- [-2, 1, Conv, [256, 1, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [[-1, -2, -3, -4, -5, -6], 1, Concat, [1]],
- [-1, 1, Conv, [256, 1, 1]], # 63
-
- [-1, 1, Conv, [128, 1, 1]],
- [-1, 1, nn.Upsample, [None, 2, 'nearest']],
- [24, 1, Conv, [128, 1, 1]], # route backbone P3
- [[-1, -2], 1, Concat, [1]],
-
- [-1, 1, Conv, [128, 1, 1]],
- [-2, 1, Conv, [128, 1, 1]],
- [-1, 1, Conv, [64, 3, 1]],
- [-1, 1, Conv, [64, 3, 1]],
- [-1, 1, Conv, [64, 3, 1]],
- [-1, 1, Conv, [64, 3, 1]],
- [[-1, -2, -3, -4, -5, -6], 1, Concat, [1]],
- [-1, 1, Conv, [128, 1, 1]], # 75
-
- [-1, 1, MP, []],
- [-1, 1, Conv, [128, 1, 1]],
- [-3, 1, Conv, [128, 1, 1]],
- [-1, 1, Conv, [128, 3, 2]],
- [[-1, -3, 63], 1, Concat, [1]],
-
- [-1, 1, Conv, [256, 1, 1]],
- [-2, 1, Conv, [256, 1, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [-1, 1, Conv, [128, 3, 1]],
- [[-1, -2, -3, -4, -5, -6], 1, Concat, [1]],
- [-1, 1, Conv, [256, 1, 1]], # 88
-
- [-1, 1, MP, []],
- [-1, 1, Conv, [256, 1, 1]],
- [-3, 1, Conv, [256, 1, 1]],
- [-1, 1, Conv, [256, 3, 2]],
- [[-1, -3, 51], 1, Concat, [1]],
-
- [-1, 1, Conv, [512, 1, 1]],
- [-2, 1, Conv, [512, 1, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [-1, 1, Conv, [256, 3, 1]],
- [[-1, -2, -3, -4, -5, -6], 1, Concat, [1]],
- [-1, 1, Conv, [512, 1, 1]], # 101
-
- [75, 1, RepConv, [256, 3, 1]],
- [88, 1, RepConv, [512, 3, 1]],
- [101, 1, RepConv, [1024, 3, 1]],
- [[102,103,104], 1, IDetect, [nc, anchors]], # Detect(P3, P4, P5)
- ]
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