Video encoding device and video decoding device using high-precision skip encoding and method thereof

    公开(公告)号:US11523130B2

    公开(公告)日:2022-12-06

    申请号:US17218574

    申请日:2021-03-31

    Abstract: Provided is a video decoding method performed by a video decoding apparatus, the video decoding method including: determining prediction mode information of a current block and an index indicating a prediction candidate, from a bitstream; determining a prediction candidate list according to the prediction mode information; when the prediction mode information of the current block indicates a pre-set prediction mode, determining a motion vector indicated by the index indicating the prediction candidate from the prediction candidate list, and determining a prediction motion vector of the current block based on at least one of pieces of motion prediction information related to the motion vector; and determining a motion vector of the current block based on the prediction motion vector, wherein the pre-set prediction mode is a prediction mode different from a skip mode and a merge mode.

    VIDEO ENCODING DEVICE AND VIDEO DECODING DEVICE USING HIGH-PRECISION SKIP ENCODING AND METHOD THEREOF

    公开(公告)号:US20240323430A1

    公开(公告)日:2024-09-26

    申请号:US18732884

    申请日:2024-06-04

    CPC classification number: H04N19/52 H04N19/176

    Abstract: Provided is a video decoding method performed by a video decoding apparatus, the video decoding method including: determining prediction mode information of a current block and an index indicating a prediction candidate, from a bitstream; determining a prediction candidate list according to the prediction mode information; when the prediction mode information of the current block indicates a pre-set prediction mode, determining a motion vector indicated by the index indicating the prediction candidate from the prediction candidate list, and determining a prediction motion vector of the current block based on at least one of pieces of motion prediction information related to the motion vector; and determining a motion vector of the current block based on the prediction motion vector, wherein the pre-set prediction mode is a prediction mode different from a skip mode and a merge mode.

    Video encoding device and video decoding device using high-precision skip encoding and method thereof

    公开(公告)号:US12052435B2

    公开(公告)日:2024-07-30

    申请号:US17959855

    申请日:2022-10-04

    CPC classification number: H04N19/52 H04N19/176

    Abstract: Provided is a video decoding method performed by a video decoding apparatus, the video decoding method including: determining prediction mode information of a current block and an index indicating a prediction candidate, from a bitstream; determining a prediction candidate list according to the prediction mode information; when the prediction mode information of the current block indicates a pre-set prediction mode, determining a motion vector indicated by the index indicating the prediction candidate from the prediction candidate list, and determining a prediction motion vector of the current block based on at least one of pieces of motion prediction information related to the motion vector; and determining a motion vector of the current block based on the prediction motion vector, wherein the pre-set prediction mode is a prediction mode different from a skip mode and a merge mode.

    Encoding method and apparatus therefor, and decoding method and apparatus therefor

    公开(公告)号:US12267523B2

    公开(公告)日:2025-04-01

    申请号:US17896608

    申请日:2022-08-26

    Abstract: Provided is a video decoding method including: obtaining, from a bitstream, prediction motion vector information indicating a prediction motion vector of a current block and difference motion vector information indicating a difference motion vector of the current block; determining the prediction motion vector of the current block according to whether or not an adjacent block of the current block is decoded and the prediction motion vector information; determining a motion vector resolution of the current block according to whether or not the adjacent block of the current block is decoded; determining the difference motion vector of the current block according to the difference motion vector information; determining a motion vector of the current block according to the prediction motion vector, the motion vector resolution, and the difference motion vector; and reconstructing the current block according to the motion vector of the current block, wherein the adjacent block of the current block includes a right block of the current block.

    Video encoding device and video decoding device using high-precision skip encoding and method thereof

    公开(公告)号:US11509926B2

    公开(公告)日:2022-11-22

    申请号:US17218808

    申请日:2021-03-31

    Abstract: Provided is a video decoding method performed by a video decoding apparatus, the video decoding method including: determining prediction mode information of a current block and an index indicating a prediction candidate, from a bitstream; determining a prediction candidate list according to the prediction mode information; when the prediction mode information of the current block indicates a pre-set prediction mode, determining a motion vector indicated by the index indicating the prediction candidate from the prediction candidate list, and determining a prediction motion vector of the current block based on at least one of pieces of motion prediction information related to the motion vector; and determining a motion vector of the current block based on the prediction motion vector, wherein the pre-set prediction mode is a prediction mode different from a skip mode and a merge mode.

Patent Agency Ranking