A face beautifying method capable of quickly preserving edges
An edge preservation and face beautification technology, applied in the field of image processing, can solve the problems of cumbersome processing process, achieve the effect of natural effect, good face defects, and reduce the loss of detailed information
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[0060] The technical solution of the present invention will be further described in detail below in conjunction with the description of the drawings and specific embodiments.
[0061] Such as figure 1 As shown, a kind of fast edge-preserving face beautification method of the present invention is implemented sequentially according to the following steps:
[0062] Step 1, use the local variance to smooth the skin color on the original face image G(x,y) to obtain a smoothed face image, specifically:
[0063] Step 1.1, calculate the integral image I(x,y) of the original face image G(x,y) through formula (1):
[0064]
[0065] In the integral image I(x, y), the value of any point (x, y) is the value of all pixels in the rectangular frame formed from the upper left corner of the original face image G(x, y) to the current point (x, y). and; in order to speed up the calculation, the formula (5) can be used to replace the formula (2) to calculate the integral graph I (x, y),
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