Cannot use yolov8-lite-s

[aifanboylearner]

Hi,

I can use yolov8n but cannot seem to be able to use the other checkpoints: yolov8-lite-s and yolov8-lite-t

I tried installing latest version of ultralytics but then the weigths cannot be loaded.

I also tried using the custom folder ultralytics from this repo. In that case the weights can be loaded but inference then does not work.

[Vincent-Stragier]

@aifanboylearner,

Same issue here. I'm using Python 3.10 on Windows 11.

I have this kind of error:

    results = face_detector.predict(img, verbose=False, show=True, conf=0.25)[0]
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\utils\_contextlib.py", line 115, in decorate_context
    return func(*args, **kwargs)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\ultralytics\yolo\engine\model.py", line 252, in predict
    return self.predictor.predict_cli(source=source) if is_cli else self.predictor(source=source, stream=stream)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\ultralytics\yolo\engine\predictor.py", line 157, in __call__
    return list(self.stream_inference(source, model))  # merge list of Result into one
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\utils\_contextlib.py", line 35, in generator_context
    response = gen.send(None)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\ultralytics\yolo\engine\predictor.py", line 221, in stream_inference
    preds = self.model(im, augment=self.args.augment, visualize=visualize)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\nn\modules\module.py", line 1501, in _call_impl
    return forward_call(*args, **kwargs)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\ultralytics\nn\autobackend.py", line 313, in forward
    y = self.model(im, augment=augment, visualize=visualize) if augment or visualize else self.model(im)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\nn\modules\module.py", line 1501, in _call_impl
    return forward_call(*args, **kwargs)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\ultralytics\nn\tasks.py", line 203, in forward
    return self._forward_once(x, profile, visualize)  # single-scale inference, train
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\ultralytics\nn\tasks.py", line 58, in _forward_once
    x = m(x)  # run
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\nn\modules\module.py", line 1501, in _call_impl
    return forward_call(*args, **kwargs)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\ultralytics\nn\modules.py", line 479, in forward
    stem_1_out  = self.stem_1(x)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\nn\modules\module.py", line 1501, in _call_impl
    return forward_call(*args, **kwargs)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\ultralytics\nn\modules.py", line 66, in forward_fuse
    return self.act(self.conv(x))
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\nn\modules\module.py", line 1501, in _call_impl
    return forward_call(*args, **kwargs)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\nn\modules\conv.py", line 463, in forward
    return self._conv_forward(input, self.weight, self.bias)
  File "C:\Users\Vincent\AppData\Local\Programs\Python\Python310\lib\site-packages\torch\nn\modules\conv.py", line 459, in _conv_forward
    return F.conv2d(input, weight, bias, self.stride,
TypeError: conv2d() received an invalid combination of arguments - got (Tensor, Parameter, Parameter, tuple, tuple, tuple, int), but expected one of:
 * (Tensor input, Tensor weight, Tensor bias, tuple of ints stride, tuple of ints padding, tuple of ints dilation, int groups)
      didn't match because some of the arguments have invalid types: (Tensor, Parameter, Parameter, tuple of (int, int), tuple of (int, int), tuple of (bool, bool), int)
 * (Tensor input, Tensor weight, Tensor bias, tuple of ints stride, str padding, tuple of ints dilation, int groups)
      didn't match because some of the arguments have invalid types: (Tensor, Parameter, Parameter, tuple of (int, int), tuple of (int, int), tuple of (bool, bool), int)

[YSGFF]

I also have this problem, have you solved it？

[Vincent-Stragier]

@YSGFF,

Only yolov8n is working, nobody managed to work with the two others. So there is no solution, just use yolov8n.

Best,
Vincent