公开(公告)号：US20240114173A1

公开(公告)日：2024-04-04

申请号：US18513096

申请日：2023-11-17

Applicant: TENCENT AMERICA LLC

Inventor： Ling LI ,  Xiaozhong XU ,  Byeongdoo CHOI ,  Xiang LI ,  Stephan WENGER ,  Shan LIU

IPC: H04N19/70 ,  H04N19/159 ,  H04N19/174

CPC classification number: H04N19/70 ,  H04N19/159 ,  H04N19/174

Abstract: A method, computer program, and computer system for encoding or decoding video data, and indicating, with a syntax element, types of slices for all slices of a coded picture, the syntax element being coded using an unsigned integer.

公开(公告)号：US20230418783A1

公开(公告)日：2023-12-28

申请号：US18240078

申请日：2023-08-30

Applicant: TENCENT AMERICA LLC

Inventor： Shuai ZHAO ,  Stephan WENGER ,  Shan LIU

IPC: G06F16/11 ,  H04L67/02 ,  G06T17/00

CPC classification number: G06F16/116 ,  H04L67/02 ,  G06T17/00 ,  G06F8/38

Abstract: Systems, methods, and devices for managing media storage and delivery, including obtaining, by a media access function (MAF), a Graphics Language Transmission Format (glTF) file corresponding to a scene; obtaining from the glTF file a uniform resource locator (URL) parameter indicating a binary data blob; determining that the binary data blob has a Concise Binary Object Representation (CBOR) format; converting the binary data blob into an object having a JavaScript Object Notation (JSON) format using a CBOR parser function implemented by the MAF; and obtaining media content corresponding to the scene based on the object.

公开(公告)号：US20230147879A1

公开(公告)日：2023-05-11

申请号：US17969468

申请日：2022-10-19

Applicant: TENCENT AMERICA LLC

Inventor： Arianne HINDS ,  Rohit ABHISHEK ,  Stephan WENGER

IPC: H04L65/1083 ,  H04L65/75 ,  H04L67/568

CPC classification number: H04L65/1083 ,  H04L65/75 ,  H04L67/568

Abstract: A method for streaming media assets using a redundant cache managed by a media streaming server in a media streaming network may be provided. The method may include receiving, by a media streaming server, immersive media stream comprising one or more immersive media assets associated with one or more scenes, determining that a subset of the one or more immersive media assets are included for a plurality of times in the one or more scenes, storing a redundant copy of each of the subset of the one or more immersive media assets in a cache maintained by the media streaming network to ensure that the each of the subset is accessible to both the media streaming server and a client, and streaming at least one media asset of the subset of the one or more immersive media assets in response to a local cache of the client not storing the at least one media asset.

公开(公告)号：US20230146230A1

公开(公告)日：2023-05-11

申请号：US17970712

申请日：2022-10-21

Applicant: TENCENT AMERICA LLC

Inventor： Arianne HINDS ,  Rohit ABHISHEK ,  Stephan WENGER

IPC: H04N21/6332 ,  H04N21/81 ,  H04N21/234 ,  H04N21/84

CPC classification number: H04N21/6332 ,  H04N21/816 ,  H04N21/23418 ,  H04N21/84

Abstract: Optimizing media distribution of a media steam performed by at least one processor, is provided, including: receiving immersive media data for an immersive presentation from a content source; acquiring asset information corresponding to media assets in a set of scenes included in the immersive media data; analyzing characteristics of the media assets, from the asset information, used in the set of scenes to determine whether a respective media asset is unique among the media assets; and generating metadata information that uniquely identifies the respective media asset for reusing the respective media asset in the set of scenes, based on determining that the respective media asset is not unique among the media assets in the set of scenes included in the immersive media data for the immersive presentation.

公开(公告)号：US20230141129A1

公开(公告)日：2023-05-11

申请号：US18155192

申请日：2023-01-17

Applicant: TENCENT AMERICA LLC

Inventor： Byeongdoo CHOI ,  Shan LIU ,  Stephan WENGER

IPC: H04N19/119 ,  H04N19/423 ,  H04N19/174 ,  H04N19/176 ,  H04N19/46

CPC classification number: H04N19/119 ,  H04N19/423 ,  H04N19/174 ,  H04N19/176 ,  H04N19/46

Abstract: A method, computer program, and computer system is provided for partitioning encoded video data. Data corresponding to a video frame is received, and the video frame data may be divided the video frame data into one or more subunits. These subunits may each have unique address values and be arranged in increasing order based on the unique address values. A left boundary and a top boundary associated with each of the subunits may include one or more of a picture boundary or a boundary of previously decoded subunit.

公开(公告)号：US20230135436A1

公开(公告)日：2023-05-04

申请号：US18089408

申请日：2022-12-27

Applicant: TENCENT AMERICA LLC

Inventor： Byeongdoo CHOI ,  Stephan WENGER ,  Shan LIU

IPC: H04N19/70 ,  H04N19/172 ,  H04N19/187 ,  H04N19/119 ,  H04N19/174

Abstract: There is included a method and apparatus comprising computer code configured to cause a processor or processors to perform obtaining video data, parsing a video parameter set (VPS) syntax of the video data, determining whether a value of a syntax element of the VPS syntax indicates a picture order count (POC) value of an access unit (AU) of the video data, and setting at least one of a plurality of pictures, slices, and tiles of the video data to the AU based on the value of the syntax element.

公开(公告)号：US20230118451A1

公开(公告)日：2023-04-20

申请号：US17710778

申请日：2022-03-31

Applicant: Tencent America LLC

Inventor： Byeongdoo CHOI ,  Shan LIU ,  Stephan WENGER

IPC: H04N19/70

Abstract: Aspects of the disclosure provide methods and apparatuses for video data processing. In some examples, an apparatus for video data processing includes processing circuitry. For example, the processing circuitry determines a first syntax element for coding control in a first scope of coded video data in a bitstream. The first syntax element is associated with a second coding tool that is alternative to a first coding tool for Rice parameter derivation in a residual coding. In response to the first syntax element being a first value indicative of disabling of the second coding tool in the first scope, the processing circuitry decodes the first scope of coded video data that includes one or more second scopes of coded video data without invoking the second coding tool.

公开(公告)号：US20230116623A1

公开(公告)日：2023-04-13

申请号：US17977903

申请日：2022-10-31

Applicant: TENCENT AMERICA LLC

Inventor： Byeongdoo CHOI ,  Stephan WENGER ,  Shan LIU

IPC: H04N19/132 ,  H04N19/172 ,  H04N19/146 ,  H04N19/189

Abstract: There is included a method and apparatus comprising computer code configured to cause a processor or processors to perform acquiring an input bitstream comprising metadata and video data, decoding the video data, determining whether the metadata comprises at least one flag signaling at least one component of a picture size of at least one picture of the video data, and signaling, in a case where it is determined that the metadata comprises the at least one flag, a display device to display the at least one picture from the video data according to the at least one flag.

公开(公告)号：US20230097659A1

公开(公告)日：2023-03-30

申请号：US17710794

申请日：2022-03-31

Applicant: Tencent America LLC

Inventor： Byeongdoo CHOI ,  Shan LIU ,  Stephan WENGER

IPC: H04N19/70 ,  H04N19/174 ,  H04N19/60 ,  H04N19/12

Abstract: Aspects of the disclosure provide methods and apparatuses for video data processing. In some examples, an apparatus for video data processing includes processing circuitry. For example, the processing circuitry determines a first syntax element for coding control in a first scope of coded video data in a bitstream. The first syntax element is associated with a coding tool of a slice based Rice coding for a residual coding in a transform skip mode. The coding tool provides a Rice parameter at a slice level for the residual coding in the transform skip mode. In response to the first syntax element being a first value indicative of disabling of the coding tool in the first scope, the processing circuitry decodes the first scope of coded video data that includes one or more second scopes of coded video data without invoking the coding tool.

公开(公告)号：US20230097425A1

公开(公告)日：2023-03-30

申请号：US17824639

申请日：2022-05-25

Applicant: Tencent America LLC

Inventor： Byeongdoo CHOI ,  Shan LIU ,  Stephan WENGER ,  Arianne HINDS

IPC: H04N19/46 ,  H04N19/88 ,  H04N19/597 ,  H04N19/172

Abstract: Aspects of the disclosure provide methods and apparatuses for video encoding/decoding. In some examples, an apparatus for video decoding includes processing circuitry. The processing circuitry decodes pictures associated with views in a bitstream and determines, from a supplemental enhancement information (SEI) message, positions of multidimensional coordinates in a multidimensional space respectively for the views. In an example, a position of a view is defined in the SEI message by at least a vertical view position and a horizontal view position in the multidimensional space. Further, the processing circuitry determines a rendering picture from the pictures based on a rendering view that is defined by at least the vertical view position and the horizontal view position in the multidimensional space.