diff --git a/models/hub/yolov5-bifpn.yaml b/models/hub/yolov5-bifpn.yaml new file mode 100644 index 000000000000..f1dd7c601b9c --- /dev/null +++ b/models/hub/yolov5-bifpn.yaml @@ -0,0 +1,40 @@ +# Parameters +nc: 80 # number of classes +depth_multiple: 1.0 # model depth multiple +width_multiple: 1.0 # layer channel multiple +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 + +# YOLOv5 backbone +backbone: + # [from, number, module, args] + [ [ -1, 1, Focus, [ 64, 3 ] ], # 0-P1/2 + [ -1, 1, Conv, [ 128, 3, 2 ] ], # 1-P2/4 + [ -1, 3, Bottleneck, [ 128 ] ], + [ -1, 1, Conv, [ 256, 3, 2 ] ], # 3-P3/8 + [ -1, 9, BottleneckCSP, [ 256 ] ], + [ -1, 1, Conv, [ 512, 3, 2 ] ], # 5-P4/16 + [ -1, 9, BottleneckCSP, [ 512 ] ], + [ -1, 1, Conv, [ 1024, 3, 2 ] ], # 7-P5/32 + [ -1, 1, SPP, [ 1024, [ 5, 9, 13 ] ] ], + [ -1, 6, BottleneckCSP, [ 1024 ] ], # 9 + ] + +# YOLOv5 BiFPN head +head: + [ [ -1, 3, BottleneckCSP, [ 1024, False ] ], # 10 (P5/32-large) + + [ -1, 1, nn.Upsample, [ None, 2, 'nearest' ] ], + [ [ -1, 20, 6 ], 1, Concat, [ 1 ] ], # cat P4 + [ -1, 1, Conv, [ 512, 1, 1 ] ], + [ -1, 3, BottleneckCSP, [ 512, False ] ], # 14 (P4/16-medium) + + [ -1, 1, nn.Upsample, [ None, 2, 'nearest' ] ], + [ [ -1, 4 ], 1, Concat, [ 1 ] ], # cat backbone P3 + [ -1, 1, Conv, [ 256, 1, 1 ] ], + [ -1, 3, BottleneckCSP, [ 256, False ] ], # 18 (P3/8-small) + + [ [ 18, 14, 10 ], 1, Detect, [ nc, anchors ] ], # Detect(P3, P4, P5) + ]