- Patent Title: Gradation correction characteristics evaluation device, image processing device, gradation correction characteristics evaluation method, image processing method, and computer-readable computer program product
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Application No.: US12318136Application Date: 2008-12-22
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Publication No.: US08379938B2Publication Date: 2013-02-19
- Inventor: Hideyasu Kuniba
- Applicant: Hideyasu Kuniba
- Applicant Address: JP Tokyo
- Assignee: Nikon Corporation
- Current Assignee: Nikon Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oliff & Berridge, PLC
- Priority: JP2006-186730 20060706
- Main IPC: G06K9/00
- IPC: G06K9/00
Abstract:
A gradation correction characteristics evaluation device includes: a histogram creation unit that creates a histogram based upon pixel values indicated at pixels constituting an input image; and an evaluation unit that evaluates gradation correction characteristics, which is used to correct gradation of the image, based upon the histogram of the image having been created by the histogram creation unit and the gradation correction characteristics.
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