Patent Number: 7,103,216

Title: Color chart and color conversion definition creating method

Abstract: A color chart includes color patches associated with all vertexes of a rectangular parallelepiped defined by a base coloring amount (QC.sub.b, QM.sub.b, QY.sub.b) comprising combinations of minimum coloring amounts QC.sub.b, QM.sub.b and QY.sub.b of 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 QC.sub.max of monochrome of cyan, a maximum coloring amount QM.sub.max of monochrome of magenta M, and a maximum coloring amount QY.sub.max of 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.

Inventors: Okamoto; Takahiro (Kanagawa, JP)

Assignee: Fuji Photo Film Co., Ltd.

International Classification: H04N 1/46 (20060101); G06K 9/00 (20060101)

Expiration Date: 9/05/02018