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    Encoding and Decoding Methods and Apparatuses
    14.
    发明申请
    Encoding and Decoding Methods and Apparatuses 审中-公开
    编码和解码方法和装置

    公开(公告)号：US20160373767A1

    公开(公告)日：2016-12-22

    申请号：US15240436

    申请日：2016-08-18

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Haitao Yang ,  Amin Zheng ,  Yuan Yuan ,  Oscar Au

    IPC: H04N19/174 ,  H04N19/184 ,  H04N19/593 ,  H04N19/129 ,  H04N19/146

    CPC classification number: H04N19/174 ,  H04N19/129 ,  H04N19/146 ,  H04N19/184 ,  H04N19/593

    Abstract: Encoding and decoding methods and apparatuses, which can fully utilize a spatial correlation in video information, thereby improving compression efficiency during encoding and decoding where the method includes determining, according to a total coding cost of a target image, a first processing order of multiple code blocks groups included in the target image, encoding a code blocks group of the multiple code blocks groups according to the first processing order, to generate a bitstream, and writing the first processing order to the bitstream. A first processing order of multiple code blocks groups included in a target image is determined according to a total coding cost of the target image, and the multiple code blocks groups are encoded and decoded according to the first processing order such that a spatial correlation in video information may be fully utilized, thereby improving compression efficiency during encoding and decoding.

    Abstract translation: 可以充分利用视频信息中的空间相关性的编码和解码方法和装置，从而在编码和解码期间提高压缩效率，其中该方法包括根据目标图像的总编码成本确定多个代码的第一处理顺序 块组，包括在目标图像中，根据第一处理顺序对多个码块组的码块组进行编码，以生成比特流，并将第一处理顺序写入比特流。 根据目标图像的总编码成本确定包含在目标图像中的多个码块组的第一处理顺序，并且根据第一处理顺序对多个码块组进行编码和解码，使得视频中的空间相关性 可以充分利用信息，从而提高编码和解码期间的压缩效率。

    Intra-Frame Prediction and Decoding Methods and Apparatuses for Image Signal
    17.
    发明申请
    Intra-Frame Prediction and Decoding Methods and Apparatuses for Image Signal 有权

    公开(公告)号：US20210105487A1

    公开(公告)日：2021-04-08

    申请号：US17104894

    申请日：2020-11-25

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xingyu Zhang ,  Oscar Au ,  Haitao Yang ,  Jiantong Zhou

    IPC: H04N19/159 ,  H04N19/14 ,  H04N19/105 ,  H04N19/176 ,  H04N19/186 ,  H04N19/59 ,  H04N19/593

    Abstract: An intra-frame decoding method includes obtaining, from a video code stream, prediction mode information of a first signal component of a current block, determining a prediction mode of the first signal component of the current block from a prediction mode set of the first signal component of the current block according to the prediction mode information of the first signal component of the current block, where the prediction mode set of the first signal component of the current block includes at least one of a linear model above (LMA) mode and a linear model left (LML) mode, obtaining a predicted value of a first signal component sampling point of the current block, and obtaining a reconstructed value of the first signal component sampling point of the current block according to the predicted value of the first signal component sampling point of the current block.

    Intra-frame prediction and decoding methods and apparatuses for image signal
    18.
    发明授权
    Intra-frame prediction and decoding methods and apparatuses for image signal 有权

    公开(公告)号：US10455236B2

    公开(公告)日：2019-10-22

    申请号：US16394763

    申请日：2019-04-25

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xingyu Zhang ,  Oscar Au ,  Haitao Yang ,  Jiantong Zhou

    IPC: H04N19/159 ,  H04N19/59 ,  H04N19/186 ,  H04N19/593 ,  H04N19/176 ,  H04N19/105 ,  H04N19/14

    Abstract: An intra-frame decoding method is provided. The method includes: obtaining, from a video code stream, prediction mode information of a first signal component of a current block, determining a prediction mode of the first signal component of the current block from a prediction mode set of the first signal component of the current block according to the prediction mode information of the first signal component of the current block, where the prediction mode set of the first signal component of the current block includes at least one of a linear model above (LMA) mode and a linear model left (LML) mode, obtaining a predicted value of a first signal component sampling point of the current block, and obtaining a reconstructed value of the first signal component sampling point of the current block according to the predicted value of the first signal component sampling point of the current block.

    Video image coding and decoding method and apparatus
    19.
    发明授权
    Video image coding and decoding method and apparatus 有权

    公开(公告)号：US09602816B2

    公开(公告)日：2017-03-21

    申请号：US14274408

    申请日：2014-05-09

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xing Wen ,  Oscar Au ,  Haitao Yang ,  Jiantong Zhou

    IPC: H04N19/52 ,  H04N19/583 ,  H04N19/436

    CPC classification number: H04N19/51 ,  H04N19/436 ,  H04N19/52

    Abstract: The present invention relates to a method for coding and decoding a video signal, and provides a method for coding a video signal, including: determining space adjacent motion information of a parallel motion processing region PR; determining time adjacent motion information of a current block, where the current block is located in the parallel motion processing region PR; determining a candidate mot ion information set according to the space adjacent motion information of the parallel motion processing region PR and the time adjacent motion information of the current block; selecting motion information of the current block from the candidate motion information set, and sending a motion information indication of the current block to a decoding end, so as to assist the decoding end in determining the motion information of the current block; and performing motion compensation coding for the current block according to the motion information of the current block.

    VIDEO IMAGE CODING AND DECODING METHOD AND APPARATUS
    20.
    发明申请
    VIDEO IMAGE CODING AND DECODING METHOD AND APPARATUS 有权
    视频图像编码和解码方法和设备

    公开(公告)号：US20140247880A1

    公开(公告)日：2014-09-04

    申请号：US14274408

    申请日：2014-05-09

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xing Wen ,  Oscar Au ,  Haitao Yang ,  Jiantong Zhou

    IPC: H04N19/583 ,  H04N19/51

    CPC classification number: H04N19/51 ,  H04N19/436 ,  H04N19/52

    Abstract: The present invention relates to a method for coding and decoding a video signal, and provides a method for coding a video signal, including: determining space adjacent motion information of a parallel motion processing region PR; determining time adjacent motion information of a current block, where the current block is located in the parallel motion processing region PR; determining a candidate mot ion information set according to the space adjacent motion information of the parallel motion processing region PR and the time adjacent motion information of the current block; selecting motion information of the current block from the candidate motion information set, and sending a motion information indication of the current block to a decoding end, so as to assist the decoding end in determining the motion information of the current block; and performing motion compensation coding for the current block according to the motion information of the current block.

    Abstract translation: 本发明涉及对视频信号进行编码和解码的方法，并提供一种对视频信号进行编码的方法，包括：确定平行运动处理区PR的相邻运动信息的空间; 确定当前块位于并行运动处理区PR中的当前块的相邻运动信息的时间; 根据并行运动处理区域PR的相邻运动信息的空间和当前块的时间相邻运动信息确定候选电子信息集; 从候选运动信息集中选择当前块的运动信息，并将当前块的运动信息指示发送到解码端，以帮助解码结束确定当前块的运动信息; 以及根据当前块的运动信息对当前块执行运动补偿编码。

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