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| # Ultralytics YOLO 🚀, AGPL-3.0 license | |
| # RT-DETR-x object detection model with P3-P5 outputs. For details see https://docs.ultralytics.com/models/rtdetr | |
| # Parameters | |
| nc: 80 # number of classes | |
| scales: # model compound scaling constants, i.e. 'model=yolov8n-cls.yaml' will call yolov8-cls.yaml with scale 'n' | |
| # [depth, width, max_channels] | |
| x: [1.00, 1.00, 2048] | |
| backbone: | |
| # [from, repeats, module, args] | |
| - [-1, 1, HGStem, [32, 64]] # 0-P2/4 | |
| - [-1, 6, HGBlock, [64, 128, 3]] # stage 1 | |
| - [-1, 1, DWConv, [128, 3, 2, 1, False]] # 2-P3/8 | |
| - [-1, 6, HGBlock, [128, 512, 3]] | |
| - [-1, 6, HGBlock, [128, 512, 3, False, True]] # 4-stage 2 | |
| - [-1, 1, DWConv, [512, 3, 2, 1, False]] # 5-P3/16 | |
| - [-1, 6, HGBlock, [256, 1024, 5, True, False]] # cm, c2, k, light, shortcut | |
| - [-1, 6, HGBlock, [256, 1024, 5, True, True]] | |
| - [-1, 6, HGBlock, [256, 1024, 5, True, True]] | |
| - [-1, 6, HGBlock, [256, 1024, 5, True, True]] | |
| - [-1, 6, HGBlock, [256, 1024, 5, True, True]] # 10-stage 3 | |
| - [-1, 1, DWConv, [1024, 3, 2, 1, False]] # 11-P4/32 | |
| - [-1, 6, HGBlock, [512, 2048, 5, True, False]] | |
| - [-1, 6, HGBlock, [512, 2048, 5, True, True]] # 13-stage 4 | |
| head: | |
| - [-1, 1, Conv, [384, 1, 1, None, 1, 1, False]] # 14 input_proj.2 | |
| - [-1, 1, AIFI, [2048, 8]] | |
| - [-1, 1, Conv, [384, 1, 1]] # 16, Y5, lateral_convs.0 | |
| - [-1, 1, nn.Upsample, [None, 2, "nearest"]] | |
| - [10, 1, Conv, [384, 1, 1, None, 1, 1, False]] # 18 input_proj.1 | |
| - [[-2, -1], 1, Concat, [1]] | |
| - [-1, 3, RepC3, [384]] # 20, fpn_blocks.0 | |
| - [-1, 1, Conv, [384, 1, 1]] # 21, Y4, lateral_convs.1 | |
| - [-1, 1, nn.Upsample, [None, 2, "nearest"]] | |
| - [4, 1, Conv, [384, 1, 1, None, 1, 1, False]] # 23 input_proj.0 | |
| - [[-2, -1], 1, Concat, [1]] # cat backbone P4 | |
| - [-1, 3, RepC3, [384]] # X3 (25), fpn_blocks.1 | |
| - [-1, 1, Conv, [384, 3, 2]] # 26, downsample_convs.0 | |
| - [[-1, 21], 1, Concat, [1]] # cat Y4 | |
| - [-1, 3, RepC3, [384]] # F4 (28), pan_blocks.0 | |
| - [-1, 1, Conv, [384, 3, 2]] # 29, downsample_convs.1 | |
| - [[-1, 16], 1, Concat, [1]] # cat Y5 | |
| - [-1, 3, RepC3, [384]] # F5 (31), pan_blocks.1 | |
| - [[25, 28, 31], 1, RTDETRDecoder, [nc]] # Detect(P3, P4, P5) | |