Point cloud data processing
    2.
    发明授权

    公开(公告)号:US12058379B2

    公开(公告)日:2024-08-06

    申请号:US17858750

    申请日:2022-07-06

    Inventor: Cheng Huang

    CPC classification number: H04N19/70 H04N19/597 H04N21/85406

    Abstract: Techniques are described to perform point cloud data processing. An example method of point cloud data processing includes determining one or more spatial region descriptors that describe one or more three-dimensional (3D) spatial regions of a point cloud data and one or more preselection elements that describe point cloud components associated with the point cloud data, and transmitting a media presentation description (MPD) file that includes the one or more spatial region descriptors and the one or more preselection elements.

    Three-dimensional content processing methods and apparatus

    公开(公告)号:US12183044B2

    公开(公告)日:2024-12-31

    申请号:US17816102

    申请日:2022-07-29

    Abstract: Methods, systems, and apparatus for processing of three-dimensional visual content are described. One example method of processing three-dimensional content includes parsing a level of detail (LoD) information of a bitstream containing three-dimensional (3D) content that is represented as one geometry sub-bitstream and one or more attribute sub-bitstreams; and generating, based on the LoD information, decoded information by decoding at least a portion of the geometry sub-bitstream and the one or more attribute sub-bitstreams corresponding to a desired level of detail; and reconstructing, using the decoded information, a three-dimensional scene corresponding at least to the desired level of detail. The bitstream conforms to a format organized according to multiple levels of details of the 3D content.

    Volumetric media process methods and apparatus

    公开(公告)号:US12101508B2

    公开(公告)日:2024-09-24

    申请号:US17814762

    申请日:2022-07-25

    CPC classification number: H04N19/597 G06T15/08 G06T15/20 H04N19/70

    Abstract: Methods and apparatus for processing of volumetric visual data are described. One example method includes decoding, by a decoder, a bitstream containing volumetric visual information for a 3-dimensional scene that is represented as one or more atlas sub-bitstreams and one or more encoded video sub-bitstreams, reconstructing, using a result of decoding the one or more atlas sub-bitstreams and a result of decoding the one or more encoded video sub-bitstreams, the 3-dimensional scene, and rendering a target view of the 3-dimensional scene based on a desired viewing position and/or a desired viewing orientation.

    Self-adaptive streaming medium processing method and apparatus

    公开(公告)号:US10715571B2

    公开(公告)日:2020-07-14

    申请号:US15558008

    申请日:2015-12-07

    Inventor: Cheng Huang

    Abstract: A media processing method and apparatus for adaptive streaming are provided. In the method, a Media Presentation (MP) timeline alignment event message carried in a media segment is acquired; an aligned media segment is determined according to the MP timeline alignment event message, where the aligned media segment is a media segment of which a Media Presentation Time (MPT) in an MP timeline is aligned to an external timeline; and one or more MPTs of one or more media segments in an MP timeline alignment event after a mapping between the MP timeline and the external timeline has been established are calculated.

    Multi-view video processing method and apparatus

    公开(公告)号:US12015756B2

    公开(公告)日:2024-06-18

    申请号:US17752828

    申请日:2022-05-24

    CPC classification number: H04N13/156 H04N13/128 H04N2013/0081

    Abstract: Methods, apparatus, and systems for effectively reducing media content transmissions and efficiently rendering immersive media contents are disclosed. In one example aspect, a method includes requesting, by a user, media files from a server according to the current viewing position and viewing direction of the user, receiving, by the user, the media files from the server according to the current viewing position and the viewing direction of the user, extracting a patch of an atlas, and synthesizing the visual content in the current window area of the user, and obtaining, by the user, three-dimensional stereoscopic video content according to the current viewing position and viewing direction of the user.

    Data processing method and apparatus, acquisition device, and storage medium

    公开(公告)号:US10911884B2

    公开(公告)日:2021-02-02

    申请号:US16474133

    申请日:2017-12-26

    Abstract: Disclosed is a data processing method, comprising: acquiring space information of audio acquisition devices of an acquisition device, an acquisition space corresponding to the acquisition device being formed into a geometry, the spatial orientation deployed by video acquisition devices of the acquisition device covering the entire geometry, and the setting orientation of each video acquisition device being correspondingly provided with N audio acquisition devices, wherein N is a positive integer; regarding the N audio acquisition devices provided corresponding to the setting orientation of each video acquisition device, encoding audio data acquired by the N audio acquisition devices according to the space information of the audio acquisition devices, to form M pieces of audio data, the M pieces of audio data carrying space information of audios. Embodiments of the present invention further provide an acquisition device, a data processing device, and a storage medium.

    Method and apparatus for processing immersive media data, storage medium and electronic apparatus

    公开(公告)号:US12266049B2

    公开(公告)日:2025-04-01

    申请号:US17922086

    申请日:2021-06-07

    Abstract: Provided are a method and apparatus for processing immersive media data, a storage medium, and an electronic apparatus. The method comprises: acquiring immersive media data corresponding to a current viewing posture of a user, wherein a three-dimensional viewing space is used to limit viewing content of the user; and rendering the immersive media data corresponding to the current viewing posture, wherein when the current viewing posture is within the three-dimensional viewing space, the acquired immersive media data is rendered; or when the current viewing posture has moved or is moving outside the three-dimensional viewing space, the immersive media data is rendered according to handling information of the three-dimensional viewing space.

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