MUMBAI, India, April 20 -- Intellectual Property India has published a patent application (202637045437 A) filed by Tencent America Llc, Palo Alto, U.S.A., on April 9, for 'truncated bit depth support sei messages.'
Inventor(s) include Wenger, Stephan; Zhao, Xin; Ding, Ding; and Liu, Shan.
The application for the patent was published on April 17, under issue no. 16/2026.
According to the abstract released by the Intellectual Property India: "A method of video decoding includes receiving a coded video bitstream comprising coded information of one or more coded pictures, the coded information includes an SEI message associated with at least a first picture in the one or more coded pictures, the SEI message includes at least a syntax element indicative of at least one of a forward truncation function for converting an original picture of a first bit depth to the first picture of a second bit depth and/or a reverse truncation function corresponding to the forward truncation function, the second bit depth is lower than the first bit depth. The method also includes reconstructing at least the first picture comprising first reconstructed samples based on the coded information, a numbering range of sample values of the first reconstructed samples is determined by at least one of the forward truncation function and/or the reverse truncation function."
The patent application was internationally filed on Oct. 11, 2024, under International application No.PCT/US2024/051121.
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