Traceback (most recent call last):


 "/usr/local/Cellar/python/3.7.2_1/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/gpytorch/utils/cholesky.py", line 24, in psd_safe_cholesky

L = torch.cholesky(A, upper=upper, out=out)
RuntimeError: cholesky_cpu: U(2,2) is zero, singular U.

Traceback (most recent call last):


 "D:/目标检测各模型/deep_sort_pytorch-master/deep_sort/deep/feature_extractor.py", line 56, in <module>

feature = extr(img)


 "D:/目标检测各模型/deep_sort_pytorch-master/deep_sort/deep/feature_extractor.py", line 44, in __call__

im_batch = self._preprocess(im_crops)


 "D:/目标检测各模型/deep_sort_pytorch-master/deep_sort/deep/feature_extractor.py", line 39, in _preprocess

im_batch = torch.cat([self.norm(_resize(im, self.size)).unsqueeze(0) for im in im_crops], dim=0).float()


 "D:/目标检测各模型/deep_sort_pytorch-master/deep_sort/deep/feature_extractor.py", line 39, in <listcomp>

im_batch = torch.cat([self.norm(_resize(im, self.size)).unsqueeze(0) for im in im_crops], dim=0).float()


 "F:\softmanage\Anaconda3\lib\site-packages\torchvision\transforms\transforms.py", line 61, in __call__

img = t(img)


 "F:\softmanage\Anaconda3\lib\site-packages\torchvision\transforms\transforms.py", line 166, in __call__

return F.normalize(tensor, self.mean, self.std, self.inplace)


 "F:\softmanage\Anaconda3\lib\site-packages\torchvision\transforms\functional.py", line 208, in normalize

tensor.sub_(mean).div_(std)
RuntimeError: output with shape [1, 128, 64] doesn't match the broadcast shape [3, 128, 64]
