65 lines
2.1 KiB
YAML
65 lines
2.1 KiB
YAML
# parameters
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nc: 80 # number of classes
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depth_multiple: 1.0 # expand model depth
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width_multiple: 1.0 # expand layer channels
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# anchors
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anchors:
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- [13,17, 31,25, 24,51, 61,45] # P3/8
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- [61,45, 48,102, 119,96, 97,189] # P4/16
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- [97,189, 217,184, 171,384, 324,451] # P5/32
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- [324,451, 545,357, 616,618, 1024,1024] # P6/64
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# csp-p6 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, BottleneckCSP, [64]],
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[-1, 1, Conv, [128, 3, 2]], # 3-P2/4
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[-1, 3, BottleneckCSP, [128]],
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[-1, 1, Conv, [256, 3, 2]], # 5-P3/8
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[-1, 15, BottleneckCSP, [256]],
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[-1, 1, Conv, [512, 3, 2]], # 7-P4/16
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[-1, 15, BottleneckCSP, [512]],
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[-1, 1, Conv, [1024, 3, 2]], # 9-P5/32
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[-1, 7, BottleneckCSP, [1024]],
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[-1, 1, Conv, [1024, 3, 2]], # 11-P6/64
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[-1, 7, BottleneckCSP, [1024]], # 12
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]
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# yolov4-p6 head
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# na = len(anchors[0])
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head:
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[[-1, 1, SPPCSP, [512]], # 13
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[-1, 1, Conv, [512, 1, 1]],
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[-1, 1, nn.Upsample, [None, 2, 'nearest']],
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[-6, 1, Conv, [512, 1, 1]], # route backbone P5
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[[-1, -2], 1, Concat, [1]],
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[-1, 3, BottleneckCSP2, [512]], # 18
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[-1, 1, Conv, [256, 1, 1]],
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[-1, 1, nn.Upsample, [None, 2, 'nearest']],
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[-13, 1, Conv, [256, 1, 1]], # route backbone P4
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[[-1, -2], 1, Concat, [1]],
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[-1, 3, BottleneckCSP2, [256]], # 23
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[-1, 1, Conv, [128, 1, 1]],
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[-1, 1, nn.Upsample, [None, 2, 'nearest']],
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[-20, 1, Conv, [128, 1, 1]], # route backbone P3
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[[-1, -2], 1, Concat, [1]],
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[-1, 3, BottleneckCSP2, [128]], # 28
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[-1, 1, Conv, [256, 3, 1]],
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[-2, 1, Conv, [256, 3, 2]],
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[[-1, 23], 1, Concat, [1]], # cat
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[-1, 3, BottleneckCSP2, [256]], # 32
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[-1, 1, Conv, [512, 3, 1]],
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[-2, 1, Conv, [512, 3, 2]],
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[[-1, 18], 1, Concat, [1]], # cat
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[-1, 3, BottleneckCSP2, [512]], # 36
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[-1, 1, Conv, [1024, 3, 1]],
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[-2, 1, Conv, [512, 3, 2]],
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[[-1, 13], 1, Concat, [1]], # cat
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[-1, 3, BottleneckCSP2, [512]], # 40
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[-1, 1, Conv, [1024, 3, 1]],
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[[29,33,37,41], 1, Detect, [nc, anchors]], # Detect(P3, P4, P5, P6)
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] |