How to deploy yolov5.pt trained from Hub?

[zerolovesea]

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Question

I'm trying to use detect.py from yolov5 offical github with the weight file trained by Hub.

I'm not sure if i have to use the ultralystic.yolo instead of detect.py to deploy this model?

It rasie an error like below, i printed out the detection output after scale_box function:

detect: weights=['/home/user/leansight/BehaviorDetector/train/ultra_mask.pt'], source=/home/user/leansight/source_videos/source_1713261840000.jpg, data=data/trilights.yaml, imgsz=[640, 640], conf_thres=0.25, iou_thres=0.45, max_det=1000, device=, view_img=False, save_crop=False, nosave=False, classes=None, agnostic_nms=False, augment=False, visualize=False, project=runs/detect, name=exp, exist_ok=False, line_thickness=3, hide_labels=False, hide_conf=False, half=False, dnn=False, vid_stride=1
YOLOv5 🚀 2024-2-7 Python-3.10.13 torch-1.12.1+cu116 CUDA:0 (Tesla T4, 14910MiB)

YOLOv5s6u summary (fused): 253 layers, 15253432 parameters, 0 gradients, 24.2 GFLOPs
names: {0: '-', 1: 'Mask'}
det: tensor([[0.00000e+00, 0.00000e+00, 1.07000e+02, 1.43000e+02, 6.37971e+04, 5.07800e+03],
        [0.00000e+00, 0.00000e+00, 4.90000e+01, 4.20000e+01, 1.80220e+04, 6.34000e+02],
        [2.60000e+01, 0.00000e+00, 5.30000e+01, 1.30000e+01, 6.05300e+03, 5.03900e+03],
        [1.20000e+01, 0.00000e+00, 2.40000e+01, 0.00000e+00, 2.30786e+03, 4.75900e+03]], device='cuda:0')
c:634
Traceback (most recent call last):
  File "/home/user/leansight/BehaviorDetector/train/yolov5/detect.py", line 229, in <module>
    main(opt)
  File "/home/user/leansight/BehaviorDetector/train/yolov5/detect.py", line 223, in main
    run(**vars(opt))
  File "/home/user/leansight/miniconda3/envs/detector/lib/python3.10/site-packages/torch/autograd/grad_mode.py", line 27, in decorate_context
    return func(*args, **kwargs)
  File "/home/user/leansight/BehaviorDetector/train/yolov5/detect.py", line 143, in run
    s += f"{n} {names[int(c)]}{'s' * (n > 1)}, "  # add to string
KeyError: 634

Additional

No response

[github-actions[bot]]

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[pderrenger]

Hey there! It looks like the model you're trying to deploy has class labels that don't match with the labels defined in your data configuration file referred to as data/trilights.yaml. The KeyError: 634 suggests that the output tensor is attempting to access a class index 634, which is not present in your label set in the YAML file. 🧐

To resolve this issue, please ensure that the names list in your YAML configuration file includes all needed class indices that your model might output. This typically includes every class from 0 to n-1 if you have n classes. Double-check this mapping and update your YAML file accordingly!

Hope this helps! If the problem persists, reviewing the exact contents of your trilights.yaml and comparing them against your model’s class labels should provide further insight.

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