Color chart and color conversion definition creating method

Details Color chart and color conversion definition creating method Color chart and color conversion definition creating method

2006-09-05

2006-09-05

Grant, II, Jerome (Department: 2626)

Image analysis

Color image processing

Color correction

C358S515000, C358S520000, C358S525000, C358S530000

Reexamination Certificate

active

07103216

ABSTRACT:
A color chart includes color patches associated with all vertexes of a rectangular parallelepiped defined by a base coloring amount (QCb, QMb, QYb) comprising combinations of minimum coloring amounts QCb, QMband QYbof monochromes of cyan, magenta and yellow in a coloring amount space represented by three axes of coloring amounts of cyan, magenta and yellow, a maximum coloring amount QCmaxof monochrome of cyan, a maximum coloring amount QMmaxof monochrome of magenta M, and a maximum coloring amount QYmaxof monochrome of yellow Y in the coloring amount space, and in addition a color patch associated with an intermediate point located between two vertexes on a straight line coupling the two vertexes with one another, even if any two vertexes of the rectangular parallelepiped are selected.

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patent: 10-164352 (1998-06-01), None
patent: 2001-45318 (2001-02-01), None

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