Image processing apparatus for combining image data and texture

Details Image processing apparatus for combining image data and texture Image processing apparatus for combining image data and texture

1992-05-13

1995-07-25

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358447, 358537, H04N 140, H04N 146

Patent

active

054367336

ABSTRACT:
A texture image processing system for image processing apparatus comprises, first calculator for calculating a maximum value and a minimum value of texture image data; second calculator for calculating an average value and a gain value with employment of said maximum value and minimum value; and synthesizing processor for synthesizing texture image data by image picture data, this synthesizing processor synthesizing the texture image data with the image picture data by multiplying a difference between the texture image data and the average value by the gain value. Also, synthesizing processor synthesizes the texture image data with chromaticity information of the image picture data, or chromaticity information of the image picture data with predetermined chromaticity information, chromaticity information of the texture image data. With the above-described structures, both of hue and saturation in the image picture data are maintained, and also the synthesized texture image having no great brightness change over its entire region is obtained.

REFERENCES:
patent: 4958217 (1990-09-01), Kimura
patent: 4965745 (1990-10-01), Economy
patent: 5021876 (1991-06-01), Kurita
patent: 5187593 (1993-02-01), Kurita

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