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:
Feb. 19, 2019
Filed:
Dec. 31, 2015
Applicant:
Shenzhen China Star Optoelectronics Technology Co., Ltd., Shenzhen, CN;
Inventor:
Yufeng Jin, Shenzhen, CN;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G06T 5/00 (2006.01);
U.S. Cl.
CPC ...
G06T 5/007 (2013.01); G06T 5/00 (2013.01);
Abstract
A method for adjusting contrast includes: acquiring a corresponding grey-scale image of a current image; dividing the grey-scale image to obtain a plurality of divided regions; calculating JND values corresponding to the divided regions based on an area of each of the divided regions; and calculating a target contrast based on the JND value of each of the divided regions and a background brightness of the current image; adjusting the contrast of the current image based on the target contrast and a predetermined condition.