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    METHOD AND APPARATUS FOR INTRA PREDICTION
    2.
    发明公开
    METHOD AND APPARATUS FOR INTRA PREDICTION 审中-实审

    公开(公告)号：EP4346211A2

    公开(公告)日：2024-04-03

    申请号：EP24158346.7

    申请日：2019-09-03

    申请人： Huawei Technologies Co., Ltd.

    发明人： WANG, Biao ,  ESENLIK, Semih ,  KOTRA, Anand Meher ,  GAO, Han ,  CHEN, Jianle ,  ZHAO, Zhijie

    IPC分类号： H04N19/463

    摘要： A decoding method and a decoder for decoding a current block of a video is provided, wherein the decoding method comprises: obtaining a value of a Most Probable Modes, MPM, flag for the current block from a bitstream; obtaining an MPM index for the current block from the bitstream, when the value of the MPM flag indicates that an intra prediction mode for the current block is an intra prediction mode comprised in an MPM set of intra prediction modes; obtaining a value of an intra prediction mode for the current block, based on the MPM index and the MPM set for the current block; wherein when an intra prediction mode of a left neighboring block of the current block is a Planar mode, and an intra prediction mode of an above neighboring block of the current block is a Planar mode, the MPM set of prediction modes comprises: a Planar mode, a DC mode, a Vertical mode, a Horizontal mode, an intra prediction mode corresponding to the Vertical mode with a first offset, and an intra prediction mode corresponding to the Vertical mode with a second offset.

    AN ENCODER, A DECODER AND CORRESPONDING METHODS FOR INTRA PREDICTION
    3.
    发明公开
    AN ENCODER, A DECODER AND CORRESPONDING METHODS FOR INTRA PREDICTION 审中-公开

    公开(公告)号：EP4307675A2

    公开(公告)日：2024-01-17

    申请号：EP23213846.1

    申请日：2020-03-23

    申请人： Huawei Technologies Co., Ltd.

    发明人： WANG, Biao ,  ESENLIK, Semih ,  KOTRA, Anand Meher ,  GAO, Han ,  CHEN, Jianle

    IPC分类号： H04N19/593

    摘要： Devices and methods for Intra prediction are provided. The method includes: obtaining a value of a first indication information of a current block, the value of the first indication information indicating whether an intra prediction mode of the current block is comprised in a set of most probable modes; and obtaining a value of a reference index line of the current block. When the value of the first indication information indicates the intra prediction mode of the current block is comprised in the set of most probable modes, and when the value of the reference index line indicates the closest neighboring reference line to the current block is used, the method further includes obtaining a value of a second indication information of the current block, the value of the second indication information of the current block indicating whether the intra prediction mode of the current block is Planar mode or not. The method can improve the efficiency to determine the intra prediction mode of the current block.