Gradation correction characteristics evaluation device, image processing device, gradation correction characteristics evaluation method, image processing method, and computer-readable computer program product

摘要

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.