Method and apparatus for encoding video by motion prediction using arbitrary partition, and method and apparatus for decoding video by motion prediction using arbitrary partition
    34.
    发明授权
    Method and apparatus for encoding video by motion prediction using arbitrary partition, and method and apparatus for decoding video by motion prediction using arbitrary partition 有权
    使用任意分区通过运动预测编码视频的方法和装置,以及通过使用任意分区的运动预测对视频进行解码的方法和装置

    公开(公告)号:US08885724B2

    公开(公告)日:2014-11-11

    申请号:US14206081

    申请日:2014-03-12

    Abstract: An apparatus for decoding a video including a processor which determines coding units having a hierarchical structure being data units in which the encoded image is decoded, and sub-units for predicting the coding units, by using information that indicates division shapes of the coding units and information about prediction units of the coding units, parsed from a received bitstream of a encoded image, wherein the sub-units comprise partitions obtained by splitting at least one of a height and a width of the coding units according to at least one of a symmetric ratio and an asymmetric ratio, and a decoder which reconstructs the image by performing decoding including motion compensation using the partitions for the coding units, using the encoding information parsed from the received bitstream, wherein the coding units having the hierarchical structure comprise coding units of coded depths split hierarchically according to the coded depths and independently from neighboring coding units.

    Abstract translation: 一种用于解码视频的装置,包括:处理器,其确定具有分层结构的编码单位,其中编码图像被解码的数据单元;以及用于预测编码单元的子单元,通过使用指示编码单元的分割形状的信息和 关于从编码图像的接收比特流解码的编码单元的预测单元的信息,其中所述子单元包括通过根据以下中的至少一个来拆分所述编码单元的高度和宽度中的至少一个而获得的分区 比率和非对称比率,以及解码器,其使用从所接收的比特流解析的编码信息,通过使用所述编码单元的分区执行包括运动补偿的解码来重建图像,其中具有分层结构的编码单元包括编码单元 深度根据编码深度分层划分,并且独立于相邻编码单元 。

    Method and device for encoding/decoding motion vector

    公开(公告)号:US11818389B2

    公开(公告)日:2023-11-14

    申请号:US17972013

    申请日:2022-10-24

    CPC classification number: H04N19/52 H04N19/176 H04N19/182 H04N19/51 H04N19/70

    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 AND DEVICE FOR ENCODING/DECODING MOTION VECTOR

    公开(公告)号:US20230046010A1

    公开(公告)日:2023-02-16

    申请号:US17971926

    申请日:2022-10-24

    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.

    Image encoding method and apparatus, and image decoding method and apparatus

    公开(公告)号:US10735731B2

    公开(公告)日:2020-08-04

    申请号:US16077392

    申请日:2017-02-13

    Abstract: Provided is a method of decoding motion information characterized in that information for determining motion-related information includes spatial information and time information, wherein the spatial information indicates a direction of spatial prediction candidates used for sub-units from among spatial prediction candidates located on a left side and an upper side of a current prediction unit, and the time information indicates a reference prediction unit of a previous picture used for prediction of the current prediction unit. Further, an encoding apparatus or a decoding apparatus capable of performing the above described encoding or decoding method may be provided.

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