Method of and apparatus for reproducing color for output device

Details Method of and apparatus for reproducing color for output device Method of and apparatus for reproducing color for output device

1994-03-14

1999-11-09

Vu, Kim Yen

Image analysis

Color image processing

Compression of color images

358520, 382167, H04N 160

Patent

active

059829257

ABSTRACT:
An apparatus and method for reproducing a color image of an original color image. The apparatus and method produces a saturation range of color light in the original color image and reproduces a saturation range of an output device. The invention then calculates maximum saturation ranges covering the saturation range of the color light and the reproduced saturation range of the output device corresponding to each lightness. According to the maximum saturation range of the color light and the maximum reproduced saturation range of the output device corresponding to each lightness, the apparatus and method calculates a saturation compression rate for analogously compressing the saturation range of the color light into the reproducing saturation range, and performs a saturation compression on the original color image using the calculated saturation compression rate. A reproduced color image is then generated based on the performed saturation compression.

REFERENCES:
patent: 5359437 (1994-10-01), Hibi
patent: 5452017 (1995-09-01), Hickman

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