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yolov7-tiny.yaml
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yolov7-tiny.yaml
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__BASE__: [
'../coco.yaml',
'./hyp.scratch.tiny.yaml',
]
per_batch_size: 16 # 16 * 8 = 128
img_size: 640 # image sizes
sync_bn: True
network:
model_name: yolov7
depth_multiple: 1.0 # model depth multiple
width_multiple: 1.0 # layer channel multiple
stride: [8, 16, 32]
# anchors
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
# yolov7-tiny backbone
backbone:
# [from, number, module, args] c2, k=1, s=1, p=None, g=1, d=1, act=True
[[-1, 1, ConvNormAct, [32, 3, 2, None, 1, 1, nn.LeakyReLU(0.1)]], # 0-P1/2
[-1, 1, ConvNormAct, [64, 3, 2, None, 1, 1, nn.LeakyReLU(0.1)]], # 1-P2/4
[-1, 1, ConvNormAct, [32, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-2, 1, ConvNormAct, [32, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [32, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [32, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[[-1, -2, -3, -4], 1, Concat, [1]],
[-1, 1, ConvNormAct, [64, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]], # 7
[-1, 1, MP, []], # 8-P3/8
[-1, 1, ConvNormAct, [64, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-2, 1, ConvNormAct, [64, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [64, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [64, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[[-1, -2, -3, -4], 1, Concat, [1]],
[-1, 1, ConvNormAct, [128, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]], # 14
[-1, 1, MP, []], # 15-P4/16
[-1, 1, ConvNormAct, [128, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-2, 1, ConvNormAct, [128, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [128, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [128, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[[-1, -2, -3, -4], 1, Concat, [1]],
[-1, 1, ConvNormAct, [256, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]], # 21
[-1, 1, MP, []], # 22-P5/32
[-1, 1, ConvNormAct, [256, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-2, 1, ConvNormAct, [256, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [256, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [256, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[[-1, -2, -3, -4], 1, Concat, [1]],
[-1, 1, ConvNormAct, [512, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]], # 28
]
# yolov7-tiny head
head:
[[-1, 1, ConvNormAct, [256, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-2, 1, ConvNormAct, [256, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, SP, [5]],
[-2, 1, SP, [9]],
[-3, 1, SP, [13]],
[[-1, -2, -3, -4], 1, Concat, [1]],
[-1, 1, ConvNormAct, [256, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[[-1, -7], 1, Concat, [1]],
[-1, 1, ConvNormAct, [256, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]], # 37
[-1, 1, ConvNormAct, [128, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, Upsample, [None, 2, 'nearest']],
[21, 1, ConvNormAct, [128, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]], # route backbone P4
[[-1, -2], 1, Concat, [1]],
[-1, 1, ConvNormAct, [64, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-2, 1, ConvNormAct, [64, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [64, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [64, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[[-1, -2, -3, -4], 1, Concat, [1]],
[-1, 1, ConvNormAct, [128, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]], # 47
[-1, 1, ConvNormAct, [64, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, Upsample, [None, 2, 'nearest']],
[14, 1, ConvNormAct, [64, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]], # route backbone P3
[[-1, -2], 1, Concat, [1]],
[-1, 1, ConvNormAct, [32, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-2, 1, ConvNormAct, [32, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [32, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [32, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[[-1, -2, -3, -4], 1, Concat, [1]],
[-1, 1, ConvNormAct, [64, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]], # 57
[-1, 1, ConvNormAct, [128, 3, 2, None, 1, 1, nn.LeakyReLU(0.1)]],
[[-1, 47], 1, Concat, [1]],
[-1, 1, ConvNormAct, [64, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-2, 1, ConvNormAct, [64, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [64, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [64, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[[-1, -2, -3, -4], 1, Concat, [1]],
[-1, 1, ConvNormAct, [128, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]], # 65
[-1, 1, ConvNormAct, [256, 3, 2, None, 1, 1, nn.LeakyReLU(0.1)]],
[[-1, 37], 1, Concat, [1]],
[-1, 1, ConvNormAct, [128, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-2, 1, ConvNormAct, [128, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [128, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[-1, 1, ConvNormAct, [128, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[[-1, -2, -3, -4], 1, Concat, [1]],
[-1, 1, ConvNormAct, [256, 1, 1, None, 1, 1, nn.LeakyReLU(0.1)]], # 73
[57, 1, ConvNormAct, [128, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[65, 1, ConvNormAct, [256, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[73, 1, ConvNormAct, [512, 3, 1, None, 1, 1, nn.LeakyReLU(0.1)]],
[[74,75,76], 1, YOLOv7Head, [nc, anchors, stride]], # Detect(P3, P4, P5)
]