[Retracted] Local Privacy Protection for Sensitive Areas in Multiface Images

Algorithm 2

FSMM.

	Input: image X, image Y
	Output: graph similarity
(1)	Convert the image to a grayscale image,
(2)	Calculate the Euclidean distance between and ,
(3)	Calculate the Jaccard similarity index between and ,
(4)
(5)	Combined with Hamming distance and perceptual hash algorithm ,
(6)
(7)	Calculate the luminance relationship between and ,
(8)	Calculate the contrast ratio relationship between and ,
(9)	Calculate the structural relationship between and ,
(10)
(11)
(12)	Output