Tencent has been granted a patent for a method and apparatus for video decoding. The technology involves processing circuitry that decodes prediction information from a video bitstream, selecting base and offset vectors, and determining motion or block vectors based on specified prediction modes. GlobalData’s report on Tencent gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Tencent, File server virtualization was a key innovation area identified from patents. Tencent's grant share as of July 2024 was 50%. Grant share is based on the ratio of number of grants to total number of patents.
Video coding method using prediction modes and vector encoding
The patent US12075063B2 outlines a method and apparatus for video coding that enhances the efficiency of encoding video bitstreams. The method involves encoding a current block within a video picture according to specific formatting rules. These rules define three key syntax elements: the prediction mode (either inter prediction or intra block copy (IBC) mode), a base vector selected from a candidate list, and an offset vector constructed based on specified directions and step sizes. The encoding process results in a motion vector or block vector, depending on the prediction mode, which is derived from the combination of the base vector and the offset vector. The coded video bitstream, which includes essential prediction information, is then transmitted.
Further claims detail the encoding process, including the determination of indices for the base vector and offset directions, as well as the biasing of step sizes and offset directions to optimize coding efficiency. The patent also describes the apparatus designed to perform these encoding tasks, emphasizing the processing circuitry's capability to manage the encoding and transmission of the video bitstream. Notably, the method allows for the clipping of block vector candidates to refine the reference blocks used in the encoding process. Overall, this patent presents a structured approach to video coding that aims to improve the accuracy and efficiency of video data transmission.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
