基于肤色补偿的人脸彩色照片高光修正方案

The Usage of Highlight Correction Method Based on Complexion Compensation in Color Face Photo

关键词:  照片  脸部  高光  修正

Key words:  photo  face  highlight  correction

摘要:

基于RGB色彩空间模型,结合人脸肤色特征和皮肤高光特征,采用手动指定高光中心及设置皮肤修正基色的方法,提出基于肤色彩色分量补偿的高光修正方案,并通过计算机对方案的修正效果进行实验验证.该方案根据人脸肤色特征对相片中人脸区域进行分割,识别出与皮肤高光灰度相近的眼白,眼珠反光等非处理区域,然后根据肤色特征和皮肤高光程度对高光区各颜色分量进行恰当的减量处理,实现人脸彩色照片高光修正.该方案简单可行,可控性强,可以对大多数人脸彩色照片进行较好的高光修正.

Abstract:

On the basis of the RGB color space model combined with the complexion character and skin highlight character, the paper presents a highlight correction method based on complexion color quantity compensation by manually pointing out the center of highlight and setting the basic skin correction color. The correction effect has been proved by computer experiments.At first,the method separates the face area in photo according to complexion character.Then it distinguishes the unwanted areas such as the white and highlight of eyes.Finally, actualizes the complexion compensation with reducing several color quantity correctly according the skin character and highlight grade.Experiments prove that the scheme is simple, feasible and well controllable.It also showed that the scheme can correct most of face photos.