MUMBAI, India, Sept. 5 -- Intellectual Property India has published a patent application (202527076318 A) filed by Mediatek Inc., Hsinchu City, Taiwan, on Aug. 11, for 'methods and apparatus of fractional block vectors in intra block copy and intra template matching for video coding.'
Inventor(s) include Lai, Chen-Yen; Chiang, Man-Shu; Lin, Yu-Cheng; Lo, Chih-Hsuan; Chen, Ching-Yeh; Chuang, Tzu-Der; Huang, Yu-Wen; Chen, Yi-Wen; and Hsu, Chih-Wei.
The application for the patent was published on Sept. 5, under issue no. 36/2025.
According to the abstract released by the Intellectual Property India: "Method and apparatus for video coding using fractional block vectors for IBC and/or IntraTMP. According to the method, when a current BV is a fractional BV, prediction samples of the predictor are generated by applying an interpolation filter to reference samples according to the current BV and the current block location, and wherein if a target reference sample for the interpolation filter is unavailable, a padded or copied sample is used or the current BV is modified so that all the reference samples for the interpolation filter are available. According to another method, a current BV is derived based on a base BV of the current block and an IBC merge mode list, or based on IntraTMP-derived BV of a neighbouring block, wherein the IBC merge mode list or the IntraTMP-derived BV is allowed to use fractional accuracy. A predictor is generated using information comprising according to the current BV."
The patent application was internationally filed on Jan. 18, 2024, under International application No.PCT/CN2024/073077.
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