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:
Oct. 07, 2025
Filed:
Oct. 20, 2022
Dolby Laboratories Licensing Corporation, San Francisco, CA (US);
Neeraj J. Gadgil, Pune, IN;
Guan-Ming Su, Freemont, CA (US);
Dolby Laboratories Licensing Corporation, San Francisco, CA (US);
Abstract
Systems and methods for context-based encoding of video data using reshaping algorithms. One method includes receiving the video data, the video data composed of a plurality of image frames, each image frame including a plurality of pixel blocks. The method includes determining, for each pixel block, a luma bin index, determining, for each luma bin, a banding risk value, and determining Gaussian function parameters based on the banding risk value. The method includes generating a differential reshaping function using the Gaussian function parameters, computing a luma-based forward reshaping function based on the differential reshaping function, and generating an output image for each image frame by applying the luma-based forward reshaping function to the respective image frame.