Color expressing method, color image reading apparatus and color

Details Color expressing method, color image reading apparatus and color Color expressing method, color image reading apparatus and color

1995-02-21

1996-04-02

Rogers, Scott A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358519, 382167, H04N 156, H04N 160

Patent

active

055045928

ABSTRACT:
A color image reading system in which an input color image signal is converted into color data signals. The color data signals are indicative of a combination of data of reference stimuli represented by verticles of a triangle of which one side circumscribe a pure purple locus, and of which the remaining two sides circumscribers two points of a spectral locus of a color degree diagram, the two points representing substantially middle colors between a color represented by one vertex of the triangle at which the remaining two sides intersect and each of two colors represented by the remaining two sides of the triangle, respectively. The input color image signal is reproduced on a color image output device in response to the provision of the color data signals.

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patent: 5339365 (1994-08-01), Kawai et al.
"Television Engineering Handbook", K. Blair Benson, pp. 2.3-2.26, McGraw-Hill, 1986.
"The Color Space For Color Communication Among Different Kinds of Apparatuses", Image Technology Center, Canon, Inc., Apr. 10, 1992.

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