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    IMAGE ENCODING METHOD, IMAGE DECODING METHOD, ENCODING DEVICE, AND DECODING DEVICE
    21.
    发明申请
    IMAGE ENCODING METHOD, IMAGE DECODING METHOD, ENCODING DEVICE, AND DECODING DEVICE 审中-公开

    公开(公告)号：US20180103257A1

    公开(公告)日：2018-04-12

    申请号：US15836827

    申请日：2017-12-09

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Xiaozhen ZHENG ,  Jianhua ZHENG ,  Hai CHEN ,  Meng LI

    IPC: H04N19/176 ,  H04N19/46 ,  H04N19/12 ,  H04N19/167

    CPC classification number: H04N19/176 ,  H04N19/12 ,  H04N19/124 ,  H04N19/167 ,  H04N19/46 ,  H04N19/463 ,  H04N19/593 ,  H04N19/85

    Abstract: Embodiments of the present disclosure provide an image encoding method, an image decoding method, an encoding device, and a decoding device. The method includes: determining a conversion function parameter of a current image block; determining a conversion function parameter of a neighboring image block corresponding to the current image block; determining, according to a correlation between the conversion function parameter of the current image block and the conversion function parameter of the neighboring image block, whether to perform merge encoding on the conversion function parameter of the current image block and the conversion function parameter of the neighboring image block, and determining a first indicator, where the first indicator is used to indicate whether to perform merge encoding on the conversion function parameter of the current image block and the conversion function parameter of the neighboring image block; and encoding the first indicator.

    Quantization Method and Apparatus in Encoding/Decoding
    23.
    发明申请
    Quantization Method and Apparatus in Encoding/Decoding 审中-公开
    编码/解码中的量化方法和装置

    公开(公告)号：US20160198162A1

    公开(公告)日：2016-07-07

    申请号：US14984948

    申请日：2015-12-30

    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.

    Inventor： Jianhua ZHENG ,  Jianwen CHEN ,  Yun HE ,  Xinjian MENG

    IPC: H04N19/174 ,  H04N19/176 ,  H04N19/70 ,  H04N19/18 ,  H04N19/46 ,  H04N19/61 ,  H04N19/126 ,  H04N19/177

    CPC classification number: H04N19/174 ,  H04N19/126 ,  H04N19/154 ,  H04N19/176 ,  H04N19/177 ,  H04N19/18 ,  H04N19/46 ,  H04N19/61 ,  H04N19/70

    Abstract: A method and apparatus is provided for encoding/decoding an image in a process of transmission. A plurality of frequency bands are divided into different frequency zones; a scaling value is assigned for each frequency zone; a scaling matrix is established with coefficients comprising the scaling values for the different frequency zones; wherein a number of the frequency zones is smaller than a number of coefficients in the matrix, and each frequency zone corresponds to one scaling value in the coefficient matrix such that every coefficient in said each frequency zone has the same scaling value that is assigned to said frequency bands; and corresponding quantization/dequantization is performed in process of encoding/decoding respectively using the scaling matrix,

    Abstract translation: 提供了一种用于在传输过程中对图像进行编码/解码的方法和装置。 多个频带被分成不同的频带; 为每个频率区分配缩放值; 使用包括不同频率区域的缩放值的系数来建立缩放矩阵; 其中多个频域的数量小于矩阵中的系数数，并且每个频带对应于所述系数矩阵中的一个缩放值，使得所述每个频带中的每个系数具有分配给所述频域的相同缩放值 频带; 并且在分别使用缩放矩阵进行编码/解码的过程中执行相应的量化/去量化，

    METHOD AND DEVICE FOR VIDEO CODING AND DECODING
    24.
    发明申请
    METHOD AND DEVICE FOR VIDEO CODING AND DECODING 审中-公开
    用于视频编码和解码的方法和设备

    公开(公告)号：US20140341278A1

    公开(公告)日：2014-11-20

    申请号：US14451083

    申请日：2014-08-04

    Applicant: Huawei Technologies Co., Ltd. ,  Tsinghua University

    Inventor： Xiaozhen ZHENG ,  Zhen MAO ,  Ziyuan WANG ,  Yun HE ,  Xiaozhong XU ,  Jianhua ZHENG

    IPC: H04N19/174 ,  H04N19/70 ,  H04N19/126

    CPC classification number: H04N19/126 ,  H04N19/17 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/184 ,  H04N19/436 ,  H04N19/46 ,  H04N19/61 ,  H04N19/70

    Abstract: A method and device for coding and decoding are disclosed. The method includes: dividing a picture to be encoded into several slices, each containing macroblocks continuous in a designated scanning sequence in the picture; dividing slices in the picture into one or more slice sets according to attribute information of the slices, each slice set containing one or more slices; and encoding the slices in the slice sets according to slice and slice set division information to get a coded bit stream of the picture. The decoding method includes: obtaining slice and slice set division information from a bit stream to be decoded and decoding the bit stream according to the obtained slice and slice set division information. The invention improves the performance of video transmission effectively and realizes region based coding. The implementation of coding and decoding is simple and the complexity of coding and decoding systems is reduced.

    Abstract translation: 公开了一种用于编码和解码的方法和装置。 该方法包括：将要编码的图像划分成若干片，每片包含图像中指定的扫描序列连续的宏块; 根据切片的属性信息将图片中的切片分成一个或多个切片组，每个切片组包含一个或多个切片; 并根据切片和切片集分割信息对切片集中的切片进行编码以获得图像的编码比特流。 解码方法包括：从要解码的比特流获取切片和切片集分割信息，并根据获得的切片和切片集分割信息对比特流进行解码。 本发明有效地提高了视频传输的性能，实现了基于区域的编码。 编码和解码的实现简单，编码和解码系统的复杂度降低。

    INTER PREDICTION METHOD AND APPARATUS
    25.
    发明申请
    INTER PREDICTION METHOD AND APPARATUS 有权

    公开(公告)号：US20250030839A1

    公开(公告)日：2025-01-23

    申请号：US18904980

    申请日：2024-10-02

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Xu CHEN ,  Jianhua ZHENG

    IPC: H04N19/105 ,  H04N19/139 ,  H04N19/147 ,  H04N19/172 ,  H04N19/176 ,  H04N19/52

    Abstract: Methods and apparatuses for inter prediction are disclosed. The method comprises: constructing a merging candidate list of a current picture block; when a number of merging candidates in the merging candidate list is less than a maximum number of candidates minus N, adding at least one history-based motion vector predictor (HMVP) candidate to the merging candidate list to obtain a new merging candidate list, wherein N is a positive integer; obtaining motion information of the current picture block based on the new merging candidate list; and determining a predicted block of the current picture block based on the motion information of the current picture block.

    INTER PREDICTION METHOD AND APPARATUS
    26.
    发明申请
    INTER PREDICTION METHOD AND APPARATUS 有权

    公开(公告)号：US20210258569A1

    公开(公告)日：2021-08-19

    申请号：US17226289

    申请日：2021-04-09

    Applicant: Huawei Technologies Co., Ltd.

    Inventor： Xu CHEN ,  Jianhua ZHENG

    IPC: H04N19/105 ,  H04N19/172 ,  H04N19/176 ,  H04N19/139 ,  H04N19/52 ,  H04N19/147

    Abstract: Methods and apparatuses for inter prediction are disclosed. The method comprises: constructing a merging candidate list of a current picture block; when a number of merging candidates in the merging candidate list is less than a maximum number of candidates minus N, adding at least one history-based motion vector predictor (HMVP) candidate to the merging candidate list to obtain a new merging candidate list, wherein N is a positive integer; obtaining motion information of the current picture block based on the new merging candidate list; and determining a predicted block of the current picture block based on the motion information of the current picture block.

    DECODING METHOD AND DECODING APPARATUS FOR PREDICTING MOTION INFORMATION
    27.
    发明申请
    DECODING METHOD AND DECODING APPARATUS FOR PREDICTING MOTION INFORMATION 有权

    公开(公告)号：US20210203944A1

    公开(公告)日：2021-07-01

    申请号：US17198544

    申请日：2021-03-11

    Applicant: HUAWEI TECHNOLOGIES CO., LTD.

    Inventor： Xu CHEN ,  Jianhua ZHENG

    IPC: H04N19/137 ,  H04N19/105 ,  H04N19/91 ,  H04N19/93 ,  H04N19/176

    Abstract: Embodiments of this disclosure relate to a decoding method and a decoding apparatus for predicting motion information. The method comprises: parsing a bitstream to obtain a first identifier; determining a target element from a first candidate set based on the first identifier, where elements in the first candidate set comprise at least one first candidate motion information and a plurality of second candidate motion information, the first candidate motion information comprises first motion information, and the second candidate motion information comprises a preset motion information offset; when the target element is obtained based on the plurality of second candidate motion information, parsing the bitstream to obtain a second identifier, and determining the target motion information based on the second identifier and one of the plurality of second candidate motion information.

    VIDEO DATA ENCODING AND DECODING METHODS AND APPARATUSES
    29.
    发明申请
    VIDEO DATA ENCODING AND DECODING METHODS AND APPARATUSES 审中-公开

    公开(公告)号：US20170195692A1

    公开(公告)日：2017-07-06

    申请号：US15466666

    申请日：2017-03-22

    Applicant: Tsinghua University ,  Huawei Technologies Co., Ltd.

    Inventor： Quanhe YU ,  Xiaozhen ZHENG ,  Jianhua ZHENG ,  Yun HE

    IPC: H04N19/91 ,  H04N19/50 ,  H04N19/103 ,  H04N19/61

    CPC classification number: H04N19/91 ,  H03M7/3075 ,  H03M7/4012 ,  H04N19/103 ,  H04N19/50 ,  H04N19/61

    Abstract: The present application discloses video data encoding and decoding methods and apparatuses, so as to conveniently perform data encoding and decoding on video data. The method includes: arithmetic encoding, where the arithmetic encoding includes: obtaining a binary symbol of image data; and if the binary symbol is a most probable symbol MPS, updating a first encoding interval corresponding to the MPS in a logarithm domain, and if the first updated encoding interval is less than a preset range of an arithmetic encoding interval, performing normalization processing on the first encoding interval in the logarithm domain; or if the binary symbol is a least probable symbol LPS, updating a second encoding interval corresponding to the LPS in an original number domain, and performing normalization processing on the second encoding interval in the original number domain.

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