Updated augmentations for histology images #179
Merged
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Fixed HEDJitter augmentation, the previous version was also jittering the D channel
Removed dependency of StainNormalization on skimage, which makes it also faster
Added GaussianBlur that is faster than the torchvision version
Added rotation by multiples of 90 degrees
Adjusted/added the test for all augmentations.
All the above augmentations are frequently used for histopathology.
Added torchvision to the environment since it is necessary for the augmentations.