Method and apparatus for contrast enhancement of color images

Details Method and apparatus for contrast enhancement of color images Method and apparatus for contrast enhancement of color images

1996-10-03

1999-03-16

Rogers, Scott

Image analysis

Image enhancement or restoration

Intensity, brightness, contrast, or shading correction

382239, G06K 936

Patent

active

058839844

ABSTRACT:
A method for contrast enhancement of pixel data of a decompressed color image includes the steps of computing I component values in an HSI color space for the pixel data of the color image, computing an image I component value which is an average of the computed I component values, and enhancing each of the pixel data of the color image according to the image I component value. An apparatus for contrast enhancement of pixel data of a decompressed color image is also disclosed.

REFERENCES:
patent: 5016173 (1991-05-01), Kenet et al.
patent: 5144688 (1992-09-01), Bovir et al.
patent: 5282255 (1994-01-01), Bovik et al.
patent: 5332968 (1994-07-01), Brown

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