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Add support for difference-aware hash calculation.

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Fix indentation exception
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dust-to-dust 2022-04-08 10:51:57 +08:00 committed by GitHub
parent 998116bf08
commit 96e3c0a853
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1 changed files with 60 additions and 60 deletions
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src/PIL/Image.py
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@ -2708,7 +2708,7 @@ class Image:
decimal_value = 0 decimal_value = 0
return hash_string return hash_string
def is_similar_to(self, image, hamming_distance: int = 3) -> bool: def is_similar_to(self, image, hamming_distance: int = 3) -> bool:
""" """
:param image: PIL.Image / dHash(str) :param image: PIL.Image / dHash(str)
@ -2719,7 +2719,7 @@ def is_similar_to(self, image, hamming_distance: int = 3) -> bool:
dis = self.hamming_distance(image) dis = self.hamming_distance(image)
return True if dis <= hamming_distance else False return True if dis <= hamming_distance else False
def hamming_distance(self, image) -> int: def hamming_distance(self, image) -> int:
""" """
Calculate the Hamming distance between two pictures (based on dHash algorithm) Calculate the Hamming distance between two pictures (based on dHash algorithm)
:param image: PIL.Image / dHash(str) :param image: PIL.Image / dHash(str)
@ -2734,8 +2734,8 @@ def hamming_distance(self, image) -> int:
return sum(image1_diff ^ image2_diff) return sum(image1_diff ^ image2_diff)
@staticmethod @staticmethod
def _difference(image): def _difference(image):
""" """
*Private method* *Private method*
Calculate difference sequence Calculate difference sequence
@ -2756,7 +2756,7 @@ def _difference(image):
return array(difference) return array(difference)
def _hamming_distance_with_hash(self, dhash: str) -> int: def _hamming_distance_with_hash(self, dhash: str) -> int:
""" """
*Private method* *Private method*
calculate hamming distance with perceptual hash calculate hamming distance with perceptual hash