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:
Sep. 20, 2016
Filed:
Oct. 23, 2013
Mitsubishi Electric Corporation, Tokyo, JP;
Yuka Tsuda, Tokyo, JP;
Nobuhiko Yamagishi, Tokyo, JP;
Tomonori Fukuta, Tokyo, JP;
Isao Otsuka, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
In an image processing apparatus, maximum values and minimum values of the classes of respective color components are calculated; the largest value among the maximum values of the color components is found as an all-color maximum value, color correction curves are generated, on the basis of the maximum and minimum values of the respective color components and the all-color maximum value, for color components other than the color component whose maximum value is equal to the all-color maximum value, and the color correction curves are used to perform corrections on the respective color components of the image signal. The color correction curves are generated for performing corrections such that, after the corrections, the maximum value of each color component is approximately equal to the all-color maximum value. Alternatively, the color correction curves are generated for performing corrections such that, after the corrections, the minimum value of each color component is approximately equal to an all-color minimum value. Color casts arising from lighting effects at the time of imaging are corrected, and image contrast can be heightened.