* torch image added
* moved load image format to image_utils with addition of data_format
* fixed format
* revert changes to torch image_resize
* revert changes to backend specific image ops
* fixed ops imports
* fixed format
* fixed format
* remove smart resize from
* remove smart resize from tensorflow backend
* remove backend changes
* removed unwanted changes
* removed skip test
* prefetch after shuffle
* added interpolation block
* fixed format
