AssertionError: Label class 4.0 exceeds nc=3 in Possible class labels are 0-2
错误如下:
Traceback (most recent call last):
File "train.py", line 589, in <module>
main(opt)
File "train.py", line 488, in main
train(opt.hyp, opt, device)
File "train.py", line 206, in train
assert mlc < nc, f'Label class {mlc} exceeds nc={nc} in {data}. Possible class labels are 0-{nc - 1}'
AssertionError: Label class 4.0 exceeds nc=3 in E:/code/yolov5-master/Helmet.yaml. Possible class labels are 0-2
我分了三类 也检查过标签中没有多余的类别