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. 22, 2018
Filed:
Aug. 02, 2016
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-Do, KR;
Juhyun Cho, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
An auto white balancing method for image data includes calculating block variances for the image data and selecting blocks having a block variance higher than a block variance value. The method further includes selecting patches included in a gray zone defined at a color space, applying a corresponding block variance as a weight to the patches of the gray zone, adjusting a first mean value at the color space, and selecting first patch candidates belong to a first distribution at a luminance domain from among patches selected with reference to the adjusted first mean value. The method further includes selecting a shrunken gray zone corresponding to an anchor point in the gray zone and selecting second patch candidates having a second distribution at a color space and a luminance domain, from among patches included in the shrunken gray zone, and calculating a final gain for the image data by combining a first RGB gain and a second RGB gain respectively extracted from the first patch candidates and the second patch candidates.