Color transforming method

Details Color transforming method Color transforming method

1998-04-20

2000-11-21

Williams, Kimberly A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358518, 382163, 382166, B41B 1500, G03F 308, G06K 900, G06K 936

Patent

active

061511366

ABSTRACT:
The improved color transforming method of the invention comprises the steps of: performing calorimetric conversion on the image data obtained from an input medium to produce calorimetric data on the image to be reproduced; and analyzing the resulting calorimetric data to determine automatically a format for compressing the input space of said image to the output space. The color transforming method of the invention performs analysis of the image to be reproduced so that only the areas of the image that need be subjected to compression of a color gamut can be compressed, and thereby achieves optimal color gamut compression in an image-dependent manner with minimum sacrifice in the fidelity of calorimetric reproduction.

REFERENCES:
patent: 5237409 (1993-08-01), Yamaguchi
patent: 5239370 (1993-08-01), Yamaguchi
patent: 5323249 (1994-06-01), Liang
patent: 5539540 (1996-07-01), Spaulding et al.
patent: 5583666 (1996-12-01), Ellson et al.
patent: 5724442 (1998-03-01), Ogatsu et al.
patent: 5734745 (1998-03-01), Ohneda

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