Facsimile and static presentation processing – Natural color facsimile – Color correction
Patent
1994-08-01
1995-04-18
Brinich, Stephen
Facsimile and static presentation processing
Natural color facsimile
Color correction
358518, H04N 146
Patent
active
054083435
ABSTRACT:
An image processing apparatus in which a color identifier identifies the color of an input image based on an input color-image signal. A luminance detector detects luminance information in the input color-image signal. An image generator generates a predetermined pattern which is indicative of the color identified by the color identifier. A measurement device measures the luminance distribution of the detected luminance signal which is outside an area in which color is identified by the color identifier. The output density of the input color-image signal is set in accordance with the measured luminance distribution, and an output monochromatic image is produced in which colors of the input image are identified by the predetermined patterns.
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IBM Technical Disclosure Bulletin, vol. 31, No. 3, pp. 216-229 (Aug. 1988).
Hasegawa Shizuo
Ichikawa Hiroyuki
Sugiura Takashi
Tashiro Hirohiko
Brinich Stephen
Canon Kabushiki Kaisha
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