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. 14, 2025
Filed:
Jun. 13, 2023
Tencent America Llc, Palo Alto, CA (US);
Madhu Peringassery Krishnan, Palo Alto, CA (US);
Xin Zhao, Palo Alto, CA (US);
Shan Liu, Palo Alto, CA (US);
TENCENT AMERICA LLC, Palo Alto, CA (US);
Abstract
The various embodiments described herein include methods and systems for encoding and decoding video. In one aspect, a method includes receiving a video bitstream that includes a plurality of blocks. The method also includes obtaining, from the video bitstream, respective values for one or more parameters associated with a block in the plurality of blocks, the one or more parameters corresponding to an arithmetic coder probability update rate, where the respective values for the one or more parameters are determined from a set of predefined values. The method further includes calculating the arithmetic coder probability update rate based on the respective values for the one or more parameters signaled in the video bitstream, and determining one or more coding contexts based on the calculated arithmetic coder probability update rate. The method also includes decoding the block in the plurality of blocks based on the one or more coding contexts.