The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 13, 2014
Filed:
Apr. 24, 2012
Takeshi Namikata, Yokohama, JP;
Takeshi Namikata, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide a gamut mapping method, the description of a correspondence relationship of which is more directly than that of a conventional method, the gamut mapping method being capable of performing fine control. A method of compressing a color reproduction range includes a step of allocating a vector representing a direction in which a color value on a grid point should shift in a uniform color space, to each grid point on the uniform color space and a step of finding a direction of shift for an input color value on the uniform color space based on the vector and mapping the input color value to a color reproduction range of an output device.