Image processing for converting color images into monochrome pat

Details Image processing for converting color images into monochrome pat Image processing for converting color images into monochrome pat

1995-04-19

1998-03-10

Rogers, Scott A.

Facsimile and static presentation processing

Natural color facsimile

Specific image-processing circuitry

358500, H04N 146

Patent

active

057267812

ABSTRACT:
An image processing apparatus reads color images, identifies the colors of an read color image, converts the color image into a monochrome image, synthesizes color recognition information on the monochrome image, and prints the resulting synthesized image as a monochrome image. As a result, even if a low-priced printer is employed, it is possible to provide a monochrome image permitting recognition of the colors of the color original, or quick identification of differences among the colors thereof. Moreover, this allows a user to specify a desired graphic pattern to be associated with a given color, and to obtain collation tables independently of the monochrome image, or to print the specified graphic pattern with any variable magnification power.

REFERENCES:
patent: 4369461 (1983-01-01), Tamura
patent: 4688031 (1987-08-01), Haggerty
patent: 4873570 (1989-10-01), Suzuki et al.
patent: 5187521 (1993-02-01), Shimizu et al.
Patent Abstracts of Japan, vol. 14, No. 27 (Kokai 1-267691) (Oct. 1989).

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