Beijing ByteDance Technology has filed a patent for a method implemented by a video coding apparatus that involves determining the presence of a multiview acquisition information (MAI) supplemental enhancement information (SEI) message in a coded video sequence (CVS) to perform a conversion between video and bitstream. GlobalData’s report on Beijing ByteDance Technology 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 Beijing ByteDance Technology, Adaptive video coding was a key innovation area identified from patents. Beijing ByteDance Technology's grant share as of January 2024 was 27%. Grant share is based on the ratio of number of grants to total number of patents.
Video data processing method based on multiview acquisition information
A recently filed patent (Publication Number: US20240040157A1) outlines a method for processing video data that involves determining the presence of a multiview acquisition information (MAI) supplemental enhancement information (SEI) message in a coded video sequence (CVS) and performing the conversion based on this message. The MAI SEI message specifies intrinsic and extrinsic camera parameters, which are crucial for processing decoded views before rendering on a three-dimensional (3D) display. Additionally, the patent claims that all MAI SEI messages pertaining to the CVS have the same content, with the message following a scalability dimension information (SDI) SEI message in decoding order when both are present in an access unit (AU).
Furthermore, the patent describes an apparatus and a non-transitory computer-readable storage medium that implement the method for processing video data. The apparatus includes a processor and memory with instructions to determine the presence of the MAI SEI message in the CVS and perform the conversion based on this information. The storage medium stores instructions for the processor to carry out the same process. The patent emphasizes the importance of the MAI SEI message in specifying camera parameters, its application to the entirety of the CVS, and the flags indicating the presence or absence of intrinsic and extrinsic camera parameters. Overall, the patent aims to streamline the processing of video data by utilizing the MAI SEI message effectively during conversion between video and a bitstream.
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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.
