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:
Nov. 15, 2011
Filed:
Jul. 16, 2007
Applicants:
Jae-hyun Kwon, Yongin-si, KR;
Hyun-wook OK, Seoul, KR;
Seong-deok Lee, Suwon-si, KR;
Inventors:
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); G06K 9/40 (2006.01); G09G 5/00 (2006.01); G03F 3/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is an image correction method and apparatus which can enhance the performance of image correction without deteriorating image quality. The image correction method includes creating a cumulative density function (CDF) based on a luminance histogram of an input image; calculating a plurality of correction parameters, which will be respectively applied to a plurality of different luminance adjustment functions, based on the CDF of the input image; and correcting luminance of the input image using the correction parameters and the luminance adjustment functions.