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:
Mar. 07, 2017
Filed:
Jun. 02, 2015
Hisense Mobile Communications Technology Co., Ltd., Qingdao, CN;
Bing Li, Qingdao, CN;
Changsheng Zhou, Qingdao, CN;
Sanfeng Yan, Qingdao, CN;
Biao Zhou, Qingdao, CN;
HISENSE MOBILE COMMUNICATIONS TECHNOLOGY CO., LTD., Qingdao, CN;
HISENSE USA CORPORATION, Suwanee, GA (US);
HISENSE INTERNATIONAL CO., LTD., Qingdao, CN;
Abstract
Embodiments of the present disclosure provide a method for controlling the brightness of a shot image by controlling an exposure parameter used when the image is taken on the basis of the distribution condition of detail features comprised in each brightness class area of an image frame in a preview image frame. The method includes the operations of acquiring a preview image frame, and determining the brightness level n of each pixel in the preview image frame; dividing the preview image frame into M class areas according to the determined brightness level n of each pixel; determining an exposure adjustment level required when the preview image frame is taken according to the distribution condition of detail features comprised in each class area in the preview image frame; and adjusting a pre-acquired exposure parameter according to the determined exposure adjustment level, and taking an image according to the adjusted exposure parameter.