Invention Grant
US08369619B2 Method and apparatus for skin color correction and digital photographing apparatus using both 有权
用于肤色校正的方法和装置以及使用这两者的数字摄影装置

Method and apparatus for skin color correction and digital photographing apparatus using both
Abstract:
An apparatus and method of correcting skin color in an image is disclosed. The method may include extracting skin colors; analyzing the extracted skin colors to calculate axes of a different vector space; transforming the extracted skin colors to the different vector space; using the result of the transformed skin colors to identify a color from an input image as a skin color; and correcting the color identified as a skin color. The different vector space may be a principal components analysis (PCA) vector space. Extracting skin colors may include detecting a face region as a skin region in an input image and extracting skin colors from the face region. A lookup table be generated according to the result of projecting the skin colors to fewer dimensions of the different vector space. Extracting skin colors may include extracting colors from a training image of skin colors.
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