Fix bug binary_mask_to_polygon when multiple contours of disjoint are… #52
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…as are found Fix a small bug inside the funciton binary_mask_to_polygon in pycocoreatortools.py The bug happened when multiple contours of disjoint areas were found. We cannot do np.subtract on multiple arrays of different sizes.
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Fix a small bug inside the funciton binary_mask_to_polygon in pycocoreatortools.py The bug happened when multiple contours of disjoint areas were found. We cannot do np.subtract on multiple arrays of different sizes.
For example, if we have a mask like this one, it has multiple disjoint parts.