Image analysis – Histogram processing – For setting a threshold
Patent
1997-11-03
1999-11-09
Grant, II, Jerome
Image analysis
Histogram processing
For setting a threshold
382162, 358520, G06F 1500, H04N 146
Patent
active
059829931
ABSTRACT:
A method and apparatus for color replacement using an extended ink set in a color printing system. A color replacement apparatus receives a color signal of a device dependent color space after being generated in response to a colorant signal of a device independent color space. The color replacement apparatus receives the color signal of the device dependent color space, and generates as a function of the received signal, a second color signal including a first hue and a first saturation, and a third color signal including the first hue and a second saturation, different from the first saturation. Multiple color planes for all of the inks of the extended ink set are generated according to a preselected threshold.
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patent: 5161010 (1992-11-01), Birnbaum
patent: 5331438 (1994-07-01), Harrington
patent: 5631748 (1997-05-01), Harrington
patent: 5710824 (1998-01-01), Mongeon
"Principles of Color Reproduction" by J.A.C. YULE;Kodak Research Laboratories, Rochester, New York; pp. 294-327.
Grant II Jerome
Nguti Tallam I.
Xerox Corporation
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