Face and skin sensitive image enhancement

Details Face and skin sensitive image enhancement Face and skin sensitive image enhancement

2007-05-29

2011-10-04

Koziol, Stephen (Department: 2624)

Image analysis

Image enhancement or restoration

C382S190000

Reexamination Certificate

active

08031961

ABSTRACT:
Systems and methods of face and skin sensitive image enhancement are disclosed. In one aspect, a face map that includes for each pixel of an input image a respective face probability value indicating a degree to which the pixel corresponds to a human face is calculated. A skin map that includes for each pixel of the input image a respective skin probability value indicating a degree to which the pixel corresponds to human skin is ascertained. The input image is enhanced with an enhancement level that varies pixel-by-pixel in accordance with the respective face probability values and the respective skin probability values. In another aspect, a facial content measurement value indicating a degree to which an input image contains human face content is ascertained. A tone-correction process is tuned in accordance with the facial content measurement value. The input image is enhanced in accordance with the tuned tone-correction process.

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