61 lines
2.3 KiB
YAML
Executable File
61 lines
2.3 KiB
YAML
Executable File
# Ultralytics 🚀 AGPL-3.0 License - https://ultralytics.com/license
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# Ultralytics YOLO26 object detection model with P2/4 - P5/32 outputs
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# Model docs: https://docs.ultralytics.com/models/yolo26
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# Task docs: https://docs.ultralytics.com/tasks/detect
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# Parameters
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nc: 80 # number of classes
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end2end: True # whether to use end-to-end mode
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reg_max: 1 # DFL bins
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scales: # model compound scaling constants, i.e. 'model=yolo26n-p2.yaml' will call yolo26-p2.yaml with scale 'n'
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# [depth, width, max_channels]
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n: [0.50, 0.25, 1024] # summary: 329 layers, 2,662,400 parameters, 2,662,400 gradients, 9.5 GFLOPs
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s: [0.50, 0.50, 1024] # summary: 329 layers, 9,765,856 parameters, 9,765,856 gradients, 27.8 GFLOPs
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m: [0.50, 1.00, 512] # summary: 349 layers, 21,144,288 parameters, 21,144,288 gradients, 91.4 GFLOPs
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l: [1.00, 1.00, 512] # summary: 489 layers, 25,815,520 parameters, 25,815,520 gradients, 115.3 GFLOPs
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x: [1.00, 1.50, 512] # summary: 489 layers, 57,935,232 parameters, 57,935,232 gradients, 256.9 GFLOPs
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# YOLO26n backbone
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backbone:
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# [from, repeats, module, args]
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- [-1, 1, Conv, [64, 3, 2]] # 0-P1/2
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- [-1, 1, Conv, [128, 3, 2]] # 1-P2/4
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- [-1, 2, C3k2, [256, False, 0.25]]
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- [-1, 1, Conv, [256, 3, 2]] # 3-P3/8
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- [-1, 2, C3k2, [512, False, 0.25]]
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- [-1, 1, Conv, [512, 3, 2]] # 5-P4/16
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- [-1, 2, C3k2, [512, True]]
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- [-1, 1, Conv, [1024, 3, 2]] # 7-P5/32
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- [-1, 2, C3k2, [1024, True]]
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- [-1, 1, SPPF, [1024, 5, 3, True]] # 9
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- [-1, 2, C2PSA, [1024]] # 10
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# YOLO26n head
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head:
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- [-1, 1, nn.Upsample, [None, 2, "nearest"]]
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- [[-1, 6], 1, Concat, [1]] # cat backbone P4
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- [-1, 2, C3k2, [512, True]] # 13
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- [-1, 1, nn.Upsample, [None, 2, "nearest"]]
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- [[-1, 4], 1, Concat, [1]] # cat backbone P3
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- [-1, 2, C3k2, [256, True]] # 16 (P3/8-small)
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- [-1, 1, nn.Upsample, [None, 2, "nearest"]]
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- [[-1, 2], 1, Concat, [1]] # cat backbone P2
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- [-1, 2, C3k2, [128, True]] # 19 (P2/4-xsmall)
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- [-1, 1, Conv, [128, 3, 2]]
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- [[-1, 16], 1, Concat, [1]] # cat head P3
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- [-1, 2, C3k2, [256, True]] # 22 (P3/8-small)
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- [-1, 1, Conv, [256, 3, 2]]
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- [[-1, 13], 1, Concat, [1]] # cat head P4
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- [-1, 2, C3k2, [512, True]] # 25 (P4/16-medium)
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- [-1, 1, Conv, [512, 3, 2]]
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- [[-1, 10], 1, Concat, [1]] # cat head P5
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- [-1, 1, C3k2, [1024, True, 0.5, True]] # 28 (P5/32-large)
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- [[19, 22, 25, 28], 1, Detect, [nc]] # Detect(P2, P3, P4, P5)
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