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# parameters
nc: 1 # number of classes
depth_multiple: 1.0 # model depth multiple
width_multiple: 1.0 # layer channel multiple
# anchors
anchors:
- [5,6, 10,13, 21,26] # P3/8
- [55,72, 225,304, 438,553] # P4/16
# YOLOv5 backbone
backbone:
# [from, number, module, args]
[[-1, 1, Conv, [24, 3, 2]], # 0-P1/2
[-1, 2, BlazeBlock, [24]], # 1
[-1, 1, BlazeBlock, [48, None, 2]], # 2-P2/4
[-1, 2, BlazeBlock, [48]], # 3
[-1, 1, DoubleBlazeBlock, [96, 24, 2]], # 4-P3/8
[-1, 2, DoubleBlazeBlock, [96, 24]], # 5
[-1, 1, DoubleBlazeBlock, [96, 24, 2]], # 6-P4/16
[-1, 2, DoubleBlazeBlock, [96, 24]], # 7
]
# YOLOv5 head
head:
[[-1, 1, Conv, [64, 1, 1]], # 8 (P4/32-large)
[-1, 1, nn.Upsample, [None, 2, 'nearest']],
[[-1, 5], 1, Concat, [1]], # cat backbone P3
[-1, 1, Conv, [64, 1, 1]], # 11 (P3/8-medium)
[[11, 8], 1, Detect, [nc, anchors]], # Detect(P3, P4)
]