def inner_shape(source, compare):
source_blobs = algorithm.get_blobs(algorithm.find_regions(source))
compare_blobs = algorithm.get_blobs(algorithm.find_regions(compare))
source_inner = source_blobs[algorithm.get_center(source_blobs)]
compare_inner = compare_blobs[algorithm.get_center(compare_blobs)]
return equality(source_inner, compare_inner)
def outer_shape(source, compare):
source_blobs = algorithm.get_blobs(algorithm.find_regions(source))
compare_blobs = algorithm.get_blobs(algorithm.find_regions(compare))
if len(source_blobs) < 2 or len(compare_blobs) < 2:
return None
else:
source_inner = algorithm.get_center(source_blobs)
compare_inner = algorithm.get_center(compare_blobs)
source_blobs.pop(source_inner)
compare_blobs.pop(compare_inner)
source_outer = algorithm.write_blobs(source_blobs)
compare_outer = algorithm.write_blobs(compare_blobs)
return equality(source_outer, compare_outer)