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:
Aug. 21, 2018
Filed:
May. 11, 2016
Dolby Laboratories Licensing Corporation, San Francisco, CA (US);
Robin Atkins, San Jose, CA (US);
Gregory John Ward, Berkeley, CA (US);
Samir N. Hulyalkar, Los Gatos, CA (US);
Guan-Ming Su, Fremont, CA (US);
Sheng Qu, San Jose, CA (US);
Dolby Laboratories Licensing Corporation, San Francisco, CA (US);
Abstract
Systems and methods are disclosed for filtering metadata to be used in display management. Given an input video stream and input metadata comprising at least one of minimum, average, or maximum luminance values of the video frames in the video stream, values of a function of the input metadata are filtered using a temporal filter to generate filtered metadata, wherein the filtering is based only on metadata for input frames in the same scene. Methods for temporal filtering based on an exponential moving average filter or a look-ahead sliding window filter are presented, including methods for scene-change detection using the input metadata.