77 lines
2.5 KiB
YAML
77 lines
2.5 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: 1.25 # expand layer channels
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# anchors
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anchors:
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- [13,17, 22,25, 27,66, 55,41] # P3/8
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- [57,88, 112,69, 69,177, 136,138] # P4/16
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- [136,138, 287,114, 134,275, 268,248] # P5/32
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- [268,248, 232,504, 445,416, 640,640] # P6/64
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- [812,393, 477,808, 1070,908, 1408,1408] # P7/128
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# csp-p7 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]],
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[-1, 1, Conv, [1024, 3, 2]], # 13-P7/128
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[-1, 7, BottleneckCSP, [1024]], # 14
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]
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# yolov4-p7 head
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# na = len(anchors[0])
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head:
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[[-1, 1, SPPCSP, [512]], # 15
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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 P6
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[[-1, -2], 1, Concat, [1]],
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[-1, 3, BottleneckCSP2, [512]], # 20
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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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[-13, 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]], # 25
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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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[-20, 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]], # 30
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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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[-27, 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]], # 35
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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, 30], 1, Concat, [1]], # cat
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[-1, 3, BottleneckCSP2, [256]], # 39
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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, 25], 1, Concat, [1]], # cat
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[-1, 3, BottleneckCSP2, [512]], # 43
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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, 20], 1, Concat, [1]], # cat
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[-1, 3, BottleneckCSP2, [512]], # 47
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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, 15], 1, Concat, [1]], # cat
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[-1, 3, BottleneckCSP2, [512]], # 51
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[-1, 1, Conv, [1024, 3, 1]],
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[[36,40,44,48,52], 1, Detect, [nc, anchors]], # Detect(P3, P4, P5, P6, P7)
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