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    METHOD AND DEVICE FOR ENCODING/DECODING MOTION VECTOR
    1.
    发明申请
    METHOD AND DEVICE FOR ENCODING/DECODING MOTION VECTOR 有权

    公开(公告)号：US20230081809A1

    公开(公告)日：2023-03-16

    申请号：US17972013

    申请日：2022-10-24

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jin-Young LEE ,  Seung-soo JEONG ,  Jung-hye MIN ,  Sun-il LEE

    IPC: H04N19/52 ,  H04N19/176 ,  H04N19/70 ,  H04N19/182 ,  H04N19/51

    Abstract: A motion vector encoding apparatus includes: a predictor configured to obtain motion vector predictor candidates of a plurality of predetermined motion vector resolutions by using a spatial candidate block and a temporal candidate block of a current block, and to determine motion vector predictor of the current block, a motion vector of the current block, and a motion vector resolution of the current block by using the motion vector predictor candidates; and an encoder configured to encode information representing the motion vector predictor of the current block, a residual motion vector between the motion vector of the current block and the motion vector predictor of the current block, and information representing the motion vector resolution of the current block, wherein the plurality of predetermined motion vector resolutions include a resolution of a pixel unit that is greater than a resolution of one-pel unit.

    METHOD FOR ENCODING/DECODING IMAGE AND DEVICE THEREFOR
    2.
    发明申请
    METHOD FOR ENCODING/DECODING IMAGE AND DEVICE THEREFOR 审中-公开

    公开(公告)号：US20200260079A1

    公开(公告)日：2020-08-13

    申请号：US15776353

    申请日：2016-11-23

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jung-hye MIN ,  Chan-yul KIM ,  Sun-il LEE

    IPC: H04N19/122 ,  H04N19/105 ,  H04N19/136 ,  H04N19/176

    Abstract: Provided are an image decoding method, according to an embodiment, capable of obtaining a residual signal of an image from a bitstream, changing a ratio of sizes of adjacent first blocks among a plurality of first blocks including the residual signal based on block ratio information obtained from the bitstream, and decoding the residual signal based on the changed ratio, wherein the block ratio information indicates one of predetermined ratios to which the ratio of the sizes of the adjacent first blocks is changeable; and an image decoding device capable of performing the image decoding method. Provided are also an image encoding method, according to an embodiment, capable of being performed in an opposite or similar way to the image decoding method; and an image encoding device capable of performing the image encoding method.

    METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE
    3.
    发明申请
    METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE 审中-公开

    公开(公告)号：US20200053363A1

    公开(公告)日：2020-02-13

    申请号：US16339574

    申请日：2016-10-10

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jung-hye MIN ,  Min-woo PARK ,  Bo-ra JIN ,  Chan-yul KIM

    IPC: H04N19/176 ,  H04N19/119 ,  H04N19/44 ,  H04N19/463 ,  H04N19/122

    Abstract: Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.

    LOSSLESS-CODING-MODE VIDEO ENCODING METHOD AND DEVICE, AND DECODING METHOD AND DEVICE
    9.
    发明申请
    LOSSLESS-CODING-MODE VIDEO ENCODING METHOD AND DEVICE, AND DECODING METHOD AND DEVICE 审中-公开
    无线编码模式视频编码方法和装置，以及解码方法和装置

    公开(公告)号：US20160050426A1

    公开(公告)日：2016-02-18

    申请号：US14759323

    申请日：2014-01-06

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Yin-ji PIAO ,  Jung-hye MIN

    IPC: H04N19/44 ,  H04N19/60 ,  H04N19/93 ,  H04N19/463 ,  H04N19/91

    CPC classification number: H04N19/44 ,  H04N19/119 ,  H04N19/136 ,  H04N19/176 ,  H04N19/18 ,  H04N19/463 ,  H04N19/60 ,  H04N19/70 ,  H04N19/91 ,  H04N19/93

    Abstract: Provided is an encoding method for encoding a last position of a significant transformation coefficient in lossless coding, according to an exemplary embodiment, the encoding method including: performing scanning from a first point to a second point of a coding unit in a predetermined order to obtain a transformation coefficient included in the coding unit; determining a last position of a significant transformation coefficient that is not 0 from among transformation coefficients included in the coding unit; determining position information corresponding to the determined last position with respect to the second point; and encoding the determined position information.

    Abstract translation: 提供了一种用于对无损编码中的有效变换系数的最后位置进行编码的编码方法，根据示例性实施例，编码方法包括：以预定顺序执行从编码单元的第一点到第二点的扫描，以获得 包括在编码单元中的变换系数; 从包括在编码单元中的变换系数中确定不为0的有效变换系数的最后位置; 确定与所确定的关于所述第二点的最后位置相对应的位置信息; 并对所确定的位置信息进行编码。

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