Fixed a bug related to Zero Standard Deviation (Division by Zero error) #6
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In some cases, if an image consists of homogenous patches, we might get a division by zero issue that results in no features being detected.
To handle this issue, I have added an epsilon, that averts the error. The same fix has been raised in the PyTorch repository of QATM.
A zero SD in the subset of tensors is pretty common in various kinds of industrial images.