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    DEVICE AND METHOD FOR ENTROPY ENCODING AND DECODING
    33.
    发明申请
    DEVICE AND METHOD FOR ENTROPY ENCODING AND DECODING 审中-公开

    公开(公告)号：US20180205972A1

    公开(公告)日：2018-07-19

    申请号：US15743498

    申请日：2016-07-25

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Yin-ji PIAO ,  Ki-ho CHOI

    IPC: H04N19/91 ,  H04N19/119 ,  H04N19/44 ,  H04N19/105

    CPC classification number: H04N19/91 ,  H04N19/105 ,  H04N19/119 ,  H04N19/13 ,  H04N19/157 ,  H04N19/18 ,  H04N19/44 ,  H04N19/70 ,  H04N19/865

    Abstract: An entropy encoding device and method, and an entropy decoding device and method are disclosed. The entropy encoding method comprises the steps of: dividing a transform unit into a plurality of zones, and dividing each of the plurality of zones into sub zones; setting, as the first value, the value of the last zone flag, in which a sub zone including a valid transform coefficient among the plurality of zones is included, and setting, as the second value, the value of a zone flag of the remaining zones; setting, as the first value, the value of a sub zone flag of the divided sub zones having the valid transform coefficient, and setting, as the second value, a value of a sub zone flag of the divided sub zones which do not include the valid transform coefficient; determining a preset coefficient coding scheme among a plurality of coefficient coding schemes on the basis of the zone flag and the sub zone flag; encoding a coefficient included in a sub zone on the basis of the determined coefficient coding scheme; and transmitting data on the zone flag, the sub zone flag, and the encoded coefficient.

    METHOD AND DEVICE FOR ENCODING SCALABLE VIDEO ON BASIS OF ENCODING UNIT OF TREE STRUCTURE, AND METHOD AND DEVICE FOR DECODING SCALABLE VIDEO
    36.
    发明申请
    METHOD AND DEVICE FOR ENCODING SCALABLE VIDEO ON BASIS OF ENCODING UNIT OF TREE STRUCTURE, AND METHOD AND DEVICE FOR DECODING SCALABLE VIDEO 有权
    用于编码可视化视频的方法和装置，用于编码结构的编码单元，以及用于解码可缩放视频的方法和装置

    公开(公告)号：US20150016535A1

    公开(公告)日：2015-01-15

    申请号：US14492726

    申请日：2014-09-22

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Yin-ji PIAO

    IPC: H04N19/36 ,  H04N19/51

    CPC classification number: H04N19/176 ,  H04N19/119 ,  H04N19/146 ,  H04N19/30 ,  H04N19/96

    Abstract: A scalable video encoding method includes splitting a lower-layer image into a maximum coding unit, and encoding the lower-layer image based on coding units having a tree structure obtained by hierarchically splitting the maximum coding unit; splitting a maximum coding unit of an upper-layer image corresponding to the maximum coding unit of the lower-layer image into coding units having the tree structure, based on a split structure of the maximum coding unit of the lower-layer image; determining a structure of a prediction unit included in the coding units of the upper-layer image corresponding to the coding units of the lower-layer image, based on structure information indicating a structure of the prediction unit included in the coding units of the lower-layer image; and determining whether to split the prediction unit included in the coding units of the upper-layer image by comparing a first cost to a second cost.

    Abstract translation: 一种可分级视频编码方法，包括将下层图像分割成最大编码单元，并且根据通过分层分割最大编码单位获得的具有树结构的编码单元对下层图像进行编码; 基于下层图像的最大编码单位的分割结构，将与下层图像的最大编码单位相对应的上层图像的最大编码单位分割为具有树结构的编码单位; 基于表示下位图像的编码单位中包含的预测单元的结构的结构信息，确定包含在与下层图像的编码单位对应的上层图像的编码单位中的预测单元的结构， 层图像; 以及通过将第一成本与第二成本进行比较来确定是否将包括在上层图像的编码单位中的预测单元分离。

    METHOD FOR ENCODING/DECODING IMAGE AND APPARATUS THEREFOR
    40.
    发明申请
    METHOD FOR ENCODING/DECODING IMAGE AND APPARATUS THEREFOR 有权

    公开(公告)号：US20210289204A1

    公开(公告)日：2021-09-16

    申请号：US16318010

    申请日：2017-07-13

    Applicant: Samsung Electronics Co., Ltd

    Inventor： Yin-ji PIAO ,  Chan-yul KIM

    IPC: H04N19/124 ,  H04N19/159 ,  H04N19/117 ,  H04N19/174

    Abstract: According to an embodiment, an image decoding method and an image decoding apparatus capable of performing the image decoding method are provided. The image decoding method includes determining, based on image data obtained from a bitstream, a plurality of coding units included in a current slice that is one of a plurality of slices included in an image; determining a prediction method performed on a current coding unit that is one of the plurality of coding units; determining a quantization parameter of the current coding unit, based on whether the prediction method performed on the current coding unit is inter prediction or intra prediction; and decoding the image by using the determined quantization parameter. According to an embodiment, an image encoding method and an image encoding apparatus capable of performing the image encoding method involving processes opposite or similar to the image decoding method are provided.

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