Pytorch tensor to numpy array

Question

I have a pytorch Tensor of size torch.Size([4, 3, 966, 1296])

I want to convert it to numpy array using the following code:

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Answer 1

There are 4 dimensions of the tensor you want to convert.

[:, ::-1, :, :] 

: means that the first dimension should be copied as it is and converted, same goes for the third and fourth dimension.

::-1 means that for the second axes it reverses the the axes