Technique for fast computation of highlight color mappings

Details Technique for fast computation of highlight color mappings Technique for fast computation of highlight color mappings

1998-08-05

2000-09-05

Tran, Phuoc

Image analysis

Color image processing

G06K 900

Patent

active

061154938

ABSTRACT:
An image-processing system (20) for mapping full-color images to highlight-color images includes an image-input terminal (30). The image-input terminal (30) reads an image represented in a full-color scheme defined by a three-dimensional color space. An image-processing unit (40) samples the image to obtain a sample color. The image-processing unit (40) maps the sample color from the full-color scheme to a highlight-color scheme. The highlight-color scheme is defined by a two-dimensional color space that includes a highlight-color component and a base-color component. The image-processing unit (40) includes at least a first two-dimensional look-up table (42), which is used in mapping the sample color from the full-color scheme to the highlight-color scheme. Finally, an image-output terminal renders the image in the highlight-color scheme.

REFERENCES:
patent: 5237517 (1993-08-01), Harrington et al.
patent: 5410331 (1995-04-01), Schuneman
patent: 5982924 (1999-11-01), Power et al.

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