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Fix minor typing errors in maths/ (#8959)
* updating DIRECTORY.md * types(maths): Fix pylance issues in maths * reset(vsc): Reset settings changes * Update maths/jaccard_similarity.py Co-authored-by: Tianyi Zheng <tianyizheng02@gmail.com> * revert(erosion_operation): Revert erosion_operation * test(jaccard_similarity): Add doctest to test alternative_union * types(newton_raphson): Add typehints to func bodies --------- Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> Co-authored-by: Tianyi Zheng <tianyizheng02@gmail.com>
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@ -21,6 +21,7 @@ def rgb2gray(rgb: np.array) -> np.array:
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def gray2binary(gray: np.array) -> np.array:
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"""
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Return binary image from gray image
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>>> gray2binary(np.array([[127, 255, 0]]))
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array([[False, True, False]])
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>>> gray2binary(np.array([[0]]))
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