MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202637091513 A) filed by Tencent America LLC on July 28, 2026, for Selection Of Multiple Reference Frames For Weighted Averaging Probability Model.

Inventors include Zhao, Liang; Peringassery Krishnan, Madhu; and Liu, Tianqi H.

The application for the patent was published on August 07, 2026, under issue no. 32/2026.

Abstract: An example method of video decoding includes receiving a video bitstream comprising a plurality of frames, and identifying a set of reference frames for a current frame of the plurality of frames. The method also includes selecting a primary reference frame from the set of reference frames, where the primary reference frame is a derived primary reference frame or a signaled primary reference frame, and selecting a secondary reference frame from the set of reference frames. The method further includes obtaining respective contexts for the primary reference frame and the secondary reference frame, and initializing a current frame context for the current frame by performing a weighted average of the respective contexts. The method also includes entropy decoding one or more syntax elements for the current frame using the current frame context, and reconstructing the current frame using information of the one or more syntax elements.

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