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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: | |
| - [10,13, 16,30, 33,23] # P3/8 | |
| - [30,61, 62,45, 59,119] # P4/16 | |
| - [116,90, 156,198, 373,326] # P5/32 | |
| # YOLOv7-tiny backbone | |
| backbone: | |
| # [from, number, module, args] | |
| [[-1, 1, Conv, [32, 3, 2]], # 0-P1/2 | |
| [-1, 1, Conv, [64, 3, 2]], # 1-P2/4 | |
| [-1, 1, Conv, [32, 1, 1]], | |
| [-2, 1, Conv, [32, 1, 1]], | |
| [-1, 1, Conv, [32, 3, 1]], | |
| [-1, 1, Conv, [32, 3, 1]], | |
| [[-1, -2, -3, -4], 1, Concat, [1]], | |
| [-1, 1, Conv, [64, 1, 1]], # 7 | |
| [-1, 1, MP, []], # 8-P3/8 | |
| [-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, -2, -3, -4], 1, Concat, [1]], | |
| [-1, 1, Conv, [128, 1, 1]], # 14 | |
| [-1, 1, MP, []], # 15-P4/16 | |
| [-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, -2, -3, -4], 1, Concat, [1]], | |
| [-1, 1, Conv, [256, 1, 1]], # 21 | |
| [-1, 1, MP, []], # 22-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, -2, -3, -4], 1, Concat, [1]], | |
| [-1, 1, Conv, [512, 1, 1]], # 28 | |
| ] | |
| # YOLOv7-tiny head | |
| head: | |
| [[-1, 1, Conv, [256, 1, 1]], | |
| [-2, 1, Conv, [256, 1, 1]], | |
| [-1, 1, SP, [5]], | |
| [-2, 1, SP, [9]], | |
| [-3, 1, SP, [13]], | |
| [[-1, -2, -3, -4], 1, Concat, [1]], | |
| [-1, 1, Conv, [256, 1, 1]], | |
| [[-1, -7], 1, Concat, [1]], | |
| [-1, 1, Conv, [256, 1, 1]], # 37 | |
| [-1, 1, Conv, [128, 1, 1]], | |
| [-1, 1, nn.Upsample, [None, 2, 'nearest']], | |
| [21, 1, Conv, [128, 1, 1]], # route backbone P4 | |
| [[-1, -2], 1, Concat, [1]], | |
| [-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, -2, -3, -4], 1, Concat, [1]], | |
| [-1, 1, Conv, [128, 1, 1]], # 47 | |
| [-1, 1, Conv, [64, 1, 1]], | |
| [-1, 1, nn.Upsample, [None, 2, 'nearest']], | |
| [14, 1, Conv, [64, 1, 1]], # route backbone P3 | |
| [[-1, -2], 1, Concat, [1]], | |
| [-1, 1, Conv, [32, 1, 1]], | |
| [-2, 1, Conv, [32, 1, 1]], | |
| [-1, 1, Conv, [32, 3, 1]], | |
| [-1, 1, Conv, [32, 3, 1]], | |
| [[-1, -2, -3, -4], 1, Concat, [1]], | |
| [-1, 1, Conv, [64, 1, 1]], # 57 | |
| [-1, 1, Conv, [128, 3, 2]], | |
| [[-1, 47], 1, Concat, [1]], | |
| [-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, -2, -3, -4], 1, Concat, [1]], | |
| [-1, 1, Conv, [128, 1, 1]], # 65 | |
| [-1, 1, Conv, [256, 3, 2]], | |
| [[-1, 37], 1, Concat, [1]], | |
| [-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, -2, -3, -4], 1, Concat, [1]], | |
| [-1, 1, Conv, [256, 1, 1]], # 73 | |
| [57, 1, Conv, [128, 3, 1]], | |
| [65, 1, Conv, [256, 3, 1]], | |
| [73, 1, Conv, [512, 3, 1]], | |
| [[74,75,76], 1, Detect, [nc, anchors]], # Detect(P3, P4, P5) | |
| ] | |