Method and apparatus for skin color correction and digital photographing apparatus using both
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United States of America Patent
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Feb 5, 2013
Grant Date -
Jun 17, 2010
app pub date -
Nov 12, 2009
filing date -
Dec 11, 2008
priority date (Note) -
In Force
status (Latency Note)
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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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