VIDEO ENCODING DEVICE AND VIDEO DECODING DEVICE USING HIGH-PRECISION SKIP ENCODING AND METHOD THEREOF

    公开(公告)号:US20170339425A1

    公开(公告)日:2017-11-23

    申请号:US15522526

    申请日:2015-11-02

    CPC classification number: H04N19/52 H04N19/176

    Abstract: Provided is a video decoding method performed by a video decoding apparatus, the video decoding method including: determining prediction mode information of a current block and an index indicating a prediction candidate, from a bitstream; determining a prediction candidate list according to the prediction mode information; when the prediction mode information of the current block indicates a pre-set prediction mode, determining a motion vector indicated by the index indicating the prediction candidate from the prediction candidate list, and determining a prediction motion vector of the current block based on at least one of pieces of motion prediction information related to the motion vector; and determining a motion vector of the current block based on the prediction motion vector, wherein the pre-set prediction mode is a prediction mode different from a skip mode and a merge mode.

    DEPTH ENCODING METHOD AND APPARATUS, DECODING METHOD AND APPARATUS
    62.
    发明申请
    DEPTH ENCODING METHOD AND APPARATUS, DECODING METHOD AND APPARATUS 审中-公开
    深度编码方法和装置,解码方法和装置

    公开(公告)号:US20160309173A1

    公开(公告)日:2016-10-20

    申请号:US15193329

    申请日:2016-06-27

    Abstract: Provided is a video decoding method including acquiring, from a bitstream, segment-wise direct component (DC) coding (SDC) mode information indicating whether an SDC mode is allowed in a depth image; determining prediction mode information and partition mode information applied to a coding unit of the depth image; acquiring an SDC flag indicating whether an SDC mode is applied to the coding unit from the bitstream according to the SDC mode information, the prediction mode information, and the partition mode information; acquiring a residual DC value corresponding to a prediction unit of the coding unit from the bitstream when the SDC flag indicates that the SDC mode is applied to the coding unit; and reconstructing a current block of the prediction unit by using the residual DC value and prediction values of the prediction unit, wherein the residual DC value is acquired from a residual block of the prediction unit.

    Abstract translation: 提供了一种视频解码方法,包括从比特流获取指示深度图像中是否允许SDC模式的分段直接分量(DC)编码(SDC)模式信息; 确定应用于深度图像的编码单元的预测模式信息和分割模式信息; 根据SDC模式信息,预测模式信息和分割模式信息,获取指示是否从比特流将SDC模式应用于编码单元的SDC标志; 当SDC标志指示SDC模式被应用于编码单元时,从比特流获取与编码单元的预测单元对应的残差DC值; 以及通过使用所述预测单元的残留DC值和预测值来重建所述预测单元的当前块,其中从所述预测单元的残差块获取所述残留DC值。

    VIDEO STREAM CODING METHOD ACCORDING TO PREDICTION STRUCTION FOR MULTI-VIEW VIDEO AND DEVICE THEREFOR, AND VIDEO STREAM DECODING METHOD ACCORDING TO PREDICTION STRUCTURE FOR MULTI-VIEW VIDEO AND DEVICE THEREFOR
    67.
    发明申请
    VIDEO STREAM CODING METHOD ACCORDING TO PREDICTION STRUCTION FOR MULTI-VIEW VIDEO AND DEVICE THEREFOR, AND VIDEO STREAM DECODING METHOD ACCORDING TO PREDICTION STRUCTURE FOR MULTI-VIEW VIDEO AND DEVICE THEREFOR 审中-公开
    根据多视图视频及其设备的预测结构的视频流编码方法以及根据多视图视频及其设备的预测结构的视频流解码方法

    公开(公告)号:US20160134883A1

    公开(公告)日:2016-05-12

    申请号:US14782416

    申请日:2013-04-07

    CPC classification number: H04N19/44 H04N19/30 H04N19/52 H04N19/597 H04N19/90

    Abstract: Provided are a video stream decoding method and apparatus, and a video stream encoding method and apparatus. The video stream decoding method includes: receiving encoded data of a video stream; obtaining, from the received encoded data, prediction information about encoded current-view image data; and decoding a current-view image by generating motion-compensated current-view image data by using at least one of the encoded current-view image data and another-view image data based on the obtained prediction information, wherein the obtained prediction information includes Advanced Motion Vector Prediction (AMVP) mode prediction information generated by using a candidate list including two candidates, and the obtained prediction information further includes a motion vector prediction flag indicating a candidate from among the two candidates included in the candidate list, which is used in generating the AMVP mode prediction information.

    Abstract translation: 提供了视频流解码方法和装置,以及视频流编码方法和装置。 视频流解码方法包括:接收视频流的编码数据; 从所接收的编码数据获得关于编码的当前视图图像数据的预测信息; 以及通过使用基于所获得的预测信息的编码的当前视图图像数据和另一视点图像数据中的至少一个来生成运动补偿的当前视图图像数据来解码当前视图图像,其中所获得的预测信息包括高级 通过使用包括两个候选的候选列表生成的运动矢量预测(AMVP)模式预测信息,并且所获得的预测信息还包括表示候选列表中包括的用于生成的候选中的候选的运动矢量预测标志 AMVP模式预测信息。

    METHOD FOR DETERMINING INTER-PREDICTION CANDIDATE FOR INTERLAYER DECODING AND ENCODING METHOD AND APPARATUS
    69.
    发明申请
    METHOD FOR DETERMINING INTER-PREDICTION CANDIDATE FOR INTERLAYER DECODING AND ENCODING METHOD AND APPARATUS 审中-公开
    用于确定中间层解码和编码方法和装置的预测候选的方法

    公开(公告)号:US20160073115A1

    公开(公告)日:2016-03-10

    申请号:US14782465

    申请日:2014-04-07

    Abstract: An interlayer video decoding method is provided. The interlayer video decoding method includes determining a disparity vector for performing inter layer prediction on a second layer current block with reference to a first layer image; determining a first layer reference location corresponding to the determined disparity vector in relation to a location of the second layer current block; obtaining motion information of at least one peripheral block located in the periphery of the first layer reference location; and adding at least one motion information of the obtained motion information to a candidate list for inter prediction.

    Abstract translation: 提供了层间视频解码方法。 层间视频解码方法包括:参考第一层图像确定用于对第二层当前块执行帧间预测的视差矢量; 确定与所确定的视差矢量对应的第一层参考位置相对于第二层当前块的位置; 获取位于所述第一层参考位置的周边中的至少一个外围块的运动信息; 以及将所获得的运动信息的至少一个运动信息添加到用于帧间预测的候选列表。

    METHOD AND APPARATUS FOR ENCODING AND DECODING VIDEO WITH RESPECT TO POSITION OF INTEGER PIXEL
    70.
    发明申请
    METHOD AND APPARATUS FOR ENCODING AND DECODING VIDEO WITH RESPECT TO POSITION OF INTEGER PIXEL 审中-公开
    编码和解码视频相对于整数像素位置的方法和装置

    公开(公告)号:US20160044333A1

    公开(公告)日:2016-02-11

    申请号:US14782549

    申请日:2014-04-07

    Abstract: Disclosed is a video decoding method including: obtaining a disparity vector having components in sub-pixel unit for interlayer prediction between images belonging to a current layer and a reference layer; determining a position of an integer pixel of the reference layer corresponding to a position indicated by the disparity vector obtained from the position of a current pixel of the current layer; and decoding the image of the current layer by using prediction information on a candidate area of the reference layer corresponding to the determined position of the integer pixel.

    Abstract translation: 公开了一种视频解码方法,包括:获得具有属于当前层的图像与参考层之间的用于层间预测的子像素单元中的分量的视差矢量; 确定与由当前层的当前像素的位置获得的由视差矢量指示的位置相对应的参考层的整数像素的位置; 并且通过使用与所确定的整数像素的位置相对应的参考层的候选区域的预测信息来解码当前层的图像。

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