Update optical_flow.py #2
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only access required shape values; this minor change enables the use of single-channel images in remap.
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Dear Maintainer,
This minor change should enable the use of single-channel images in remap without breaking or changing the implemented functionalities.
Prior to this request, I tried using expand_dims in the input image passed to image_transform_optical_flow, but the image sent to center_crop_image would not keep the 3rd shape value (I did not investigate why since this alternative solution was trivial to implement).
Best Regards