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47 lines
1.4 KiB
47 lines
1.4 KiB
# Ultralytics YOLO 🚀, GPL-3.0 license |
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# Parameters |
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nc: 80 # number of classes |
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depth_multiple: 1.0 # model depth multiple |
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width_multiple: 1.0 # layer channel multiple |
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# darknet53 backbone |
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backbone: |
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# [from, number, module, args] |
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[[-1, 1, Conv, [32, 3, 1]], # 0 |
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[-1, 1, Conv, [64, 3, 2]], # 1-P1/2 |
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[-1, 1, Bottleneck, [64]], |
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[-1, 1, Conv, [128, 3, 2]], # 3-P2/4 |
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[-1, 2, Bottleneck, [128]], |
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[-1, 1, Conv, [256, 3, 2]], # 5-P3/8 |
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[-1, 8, Bottleneck, [256]], |
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[-1, 1, Conv, [512, 3, 2]], # 7-P4/16 |
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[-1, 8, Bottleneck, [512]], |
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[-1, 1, Conv, [1024, 3, 2]], # 9-P5/32 |
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[-1, 4, Bottleneck, [1024]], # 10 |
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] |
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# YOLOv3-SPP head |
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head: |
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[[-1, 1, Bottleneck, [1024, False]], |
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[-1, 1, SPP, [512, [5, 9, 13]]], |
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[-1, 1, Conv, [1024, 3, 1]], |
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[-1, 1, Conv, [512, 1, 1]], |
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[-1, 1, Conv, [1024, 3, 1]], # 15 (P5/32-large) |
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[-2, 1, Conv, [256, 1, 1]], |
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[-1, 1, nn.Upsample, [None, 2, 'nearest']], |
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[[-1, 8], 1, Concat, [1]], # cat backbone P4 |
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[-1, 1, Bottleneck, [512, False]], |
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[-1, 1, Bottleneck, [512, False]], |
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[-1, 1, Conv, [256, 1, 1]], |
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[-1, 1, Conv, [512, 3, 1]], # 22 (P4/16-medium) |
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[-2, 1, Conv, [128, 1, 1]], |
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[-1, 1, nn.Upsample, [None, 2, 'nearest']], |
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[[-1, 6], 1, Concat, [1]], # cat backbone P3 |
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[-1, 1, Bottleneck, [256, False]], |
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[-1, 2, Bottleneck, [256, False]], # 27 (P3/8-small) |
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[[27, 22, 15], 1, Detect, [nc]], # Detect(P3, P4, P5) |
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]
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