Optimal color quantization for addressing multi-dimensional colo

Details Optimal color quantization for addressing multi-dimensional colo Optimal color quantization for addressing multi-dimensional colo

1992-11-24

1994-12-27

Rogers, Scott A.

Facsimile and static presentation processing

Natural color facsimile

Color correction

358519, 358520, 358523, H04N 146

Patent

active

053770250

ABSTRACT:
This invention minimizes the color errors associated with performing conversion and/or correction of color digital image data using multi-dimensional look-up tables of a limited size. By distributing the errors across the color gamut it is possible to reduce the average color error as well as the maximum color errors associated with linear or conventional linear or nonlinear, e.g. cube-root or logarithmic, remapping schemes. The resulting advantage will be color images with greatly reduced artifacts.

REFERENCES:
patent: 5162925 (1992-11-01), Takaoka et al.

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