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| # YOLOv5 🚀 by Ultralytics, GPL-3.0 license | |
| # Parameters | |
| nc: 80 # number of classes | |
| depth_multiple: 1.33 # model depth multiple | |
| width_multiple: 1.25 # layer channel multiple | |
| 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 | |
| # YOLOv5 v6.0 backbone | |
| backbone: | |
| # [from, number, module, args] | |
| [[-1, 1, Conv, [64, 6, 2, 2]], # 0-P1/2 | |
| [-1, 1, Conv, [128, 3, 2]], # 1-P2/4 | |
| [-1, 3, C3, [128]], | |
| [-1, 1, Conv, [256, 3, 2]], # 3-P3/8 | |
| [-1, 6, C3, [256]], | |
| [-1, 1, Conv, [512, 3, 2]], # 5-P4/16 | |
| [-1, 9, C3, [512]], | |
| [-1, 1, Conv, [1024, 3, 2]], # 7-P5/32 | |
| [-1, 3, C3, [1024]], | |
| [-1, 1, SPPF, [1024, 5]], # 9 | |
| ] | |
| # YOLOv5 v6.0 head | |
| head: | |
| [[-1, 1, Conv, [512, 1, 1]], | |
| [-1, 1, nn.Upsample, [None, 2, 'nearest']], | |
| [[-1, 6], 1, Concat, [1]], # cat backbone P4 | |
| [-1, 3, C3, [512, False]], # 13 | |
| [-1, 1, Conv, [256, 1, 1]], | |
| [-1, 1, nn.Upsample, [None, 2, 'nearest']], | |
| [[-1, 4], 1, Concat, [1]], # cat backbone P3 | |
| [-1, 3, C3, [256, False]], # 17 (P3/8-small) | |
| [-1, 1, Conv, [256, 3, 2]], | |
| [[-1, 14], 1, Concat, [1]], # cat head P4 | |
| [-1, 3, C3, [512, False]], # 20 (P4/16-medium) | |
| [-1, 1, Conv, [512, 3, 2]], | |
| [[-1, 10], 1, Concat, [1]], # cat head P5 | |
| [-1, 3, C3, [1024, False]], # 23 (P5/32-large) | |
| [[17, 20, 23], 1, Segment, [nc, anchors, 32, 256]], # Detect(P3, P4, P5) | |
| ] | |