PREDICTIVE ENCODING METHOD, PREDICTIVE ENCODING DEVICE, AND PREDICTIVE ENCODING PROGRAM OF MOTION VECTOR, AND, PREDICTIVE DECODING METHOD, PREDICTIVE DECODING DEVICE, AND PREDICTIVE DECODING PROGRAM OF MOTION VECTOR

    公开(公告)号:EP4120685A1

    公开(公告)日:2023-01-18

    申请号:EP22194608.0

    申请日:2011-12-20

    申请人: NTT DOCOMO, INC.

    IPC分类号: H04N19/52 H04N19/61

    摘要: A predictive encoding method of motion vectors according to one embodiment includes: (a) a step of determining a motion vector of a target partition in a frame picture of an encoding target; (b) a step of determining a first motion vector predictor candidate from a motion vector or motion vectors of one or more partitions belonging to a left-neighboring region to the target partition; (c) a step of determining a second motion vector predictor candidate from a motion vector or motion vectors of one or more partitions belonging to an above-neighboring region to the target partition; (d) a step of selecting an optimum motion vector predictor and outputting motion vector predictor indication information to specify the selected optimum motion vector predictor, the optimum motion vector predictor selected based on comparison between one or more motion vector predictor candidates including the first motion vector predictor candidate and the second motion vector predictor candidate, and the motion vector of the target partition; and (e) a step of encoding the motion vector predictor indication information.

    PREDICTIVE ENCODING METHOD, PREDICTIVE ENCODING DEVICE, AND PREDICTIVE ENCODING PROGRAM OF MOTION VECTOR, AND, PREDICTIVE DECODING METHOD, PREDICTIVE DECODING DEVICE, AND PREDICTIVE DECODING PROGRAM OF MOTION VECTOR

    公开(公告)号:EP3826306A1

    公开(公告)日:2021-05-26

    申请号:EP20217808.3

    申请日:2011-12-20

    申请人: NTT DoCoMo, Inc.

    IPC分类号: H04N19/52 H04N19/61

    摘要: A predictive encoding method of motion vectors according to one embodiment includes: (a) a step of determining a motion vector of a target partition in a frame picture of an encoding target; (b) a step of determining a first motion vector predictor candidate from a motion vector or motion vectors of one or more partitions belonging to a left-neighboring region to the target partition; (c) a step of determining a second motion vector predictor candidate from a motion vector or motion vectors of one or more partitions belonging to an above-neighboring region to the target partition; (d) a step of selecting an optimum motion vector predictor and outputting motion vector predictor indication information to specify the selected optimum motion vector predictor, the optimum motion vector predictor selected based on comparison between one or more motion vector predictor candidates including the first motion vector predictor candidate and the second motion vector predictor candidate, and the motion vector of the target partition; and (e) a step of encoding the motion vector predictor indication information.

    DYNAMIC IMAGE PREDICTIVE ENCODING AND DECODING DEVICE, METHOD, AND PROGRAM
    3.
    发明公开
    DYNAMIC IMAGE PREDICTIVE ENCODING AND DECODING DEVICE, METHOD, AND PROGRAM 审中-公开
    DEVICE FOR预测编码和解码的动态图像,方法和程序

    公开(公告)号:EP2869577A1

    公开(公告)日:2015-05-06

    申请号:EP13810810.5

    申请日:2013-04-09

    申请人: NTT DOCOMO, INC.

    IPC分类号: H04N19/50

    摘要: A video predictive encoding device is provided with: an input device to implement input of pictures constituting a video sequence; an encoder to encode the pictures by intra-frame prediction or inter-frame prediction and to encode output order information of each picture and information about a picture type of each picture to generate compressed picture data, the compressed picture data including a picture to serve as a random access point,; a reconstruction unit to decode the compressed picture data to reconstruct pictures; a picture storage unit to store one or more of the reconstructed pictures as reference pictures to be used for encoding of a subsequent picture; and a controller to determine the picture type and control the picture storage unit, based on the determined picture type; wherein the controller labels each picture as one of following three types: CRA picture, type 1 picture and type 2 picture.

    摘要翻译: 一种视频预测编码装置具备:输入装置来实现构成视频序列的图像的输入; 在编码器通过帧内预测或帧间预测来编码的图片和每个图像以及关于每个画面的画面类型,以产生压缩的图像数据的信息的信息进行编码outputorder,压缩图像数据包括一幅画充当 随机访问点,; 重构单元在所述压缩图像数据以重建图像进行解码; 一个图象存储单元,用于存储一个或多个重建画面的作为要被用于随后的图像进行编码的参考图片; 和确定性矿的控制器的画面类型和控制所述图像存储单元的基础上,确定开采画面类型; worin控制器标签每一个画面作为三种类型之一下列的程序:CRA图片,1型和2型画中画。

    PREDICTION ENCODING METHOD, PREDICTION ENCODING DEVICE, AND PREDICTION ENCODING PROGRAM FOR MOTION VECTOR, AS WELL AS PREDICTION DECODING METHOD, PREDICTION DECODING DEVICE, AND PREDICTION DECODING PROGRAM FOR MOTION VECTOR
    4.
    发明公开
    PREDICTION ENCODING METHOD, PREDICTION ENCODING DEVICE, AND PREDICTION ENCODING PROGRAM FOR MOTION VECTOR, AS WELL AS PREDICTION DECODING METHOD, PREDICTION DECODING DEVICE, AND PREDICTION DECODING PROGRAM FOR MOTION VECTOR 有权
    预测编码方法,预测编码装置和运动矢量的预测编码程序,以及预测解码方法,预测解码装置和运动矢量的预测解码程序

    公开(公告)号:EP2663077A1

    公开(公告)日:2013-11-13

    申请号:EP11855027.6

    申请日:2011-12-20

    申请人: NTT DOCOMO, INC.

    IPC分类号: H04N7/32

    摘要: A predictive encoding method of motion vectors according to one embodiment includes: (a) a step of determining a motion vector of a target partition in a frame picture of an encoding target; (b) a step of determining a first motion vector predictor candidate from a motion vector or motion vectors of one or more partitions belonging to a left-neighboring region to the target partition; (c) a step of determining a second motion vector predictor candidate from a motion vector or motion vectors of one or more partitions belonging to an above-neighboring region to the target partition; (d) a step of selecting an optimum motion vector predictor and outputting motion vector predictor indication information to specify the selected optimum motion vector predictor, the optimum motion vector predictor selected based on comparison between one or more motion vector predictor candidates including the first motion vector predictor candidate and the second motion vector predictor candidate, and the motion vector of the target partition; and (e) a step of encoding the motion vector predictor indication information.

    摘要翻译: 根据一个实施例的运动矢量的预测编码方法包括:(a)确定编码目标的帧图像中的目标分区的运动矢量的步骤; (b)从属于到目标分区的左相邻区域的一个或多个分区的运动矢量或运动矢量确定第一运动矢量预测因子候选的步骤; (c)从属于与所述目标分区相邻的上方相邻区域的一个以上的分区的运动矢量或运动矢量,决定第二预测运动矢量候选的工序; (d)选择最佳预测运动矢量并输出预测运动矢量指示信息的步骤,以指定所选择的最佳预测运动矢量,根据包括第一运动矢量的一个或多个预测运动矢量候选之间的比较选择最佳预测运动矢量 预测因子候选和第二运动矢量预测因子候选,以及目标分区的运动矢量; (e)编码预测运动矢量指示信息的步骤。

    MOVING IMAGE PREDICTION DECODING DEVICE, MOVING IMAGE PREDICTION DECODING METHOD
    7.
    发明公开
    MOVING IMAGE PREDICTION DECODING DEVICE, MOVING IMAGE PREDICTION DECODING METHOD 审中-公开
    移动图像预测解码装置,移动图像预测解码方法

    公开(公告)号:EP3300369A1

    公开(公告)日:2018-03-28

    申请号:EP17199102.9

    申请日:2011-03-14

    申请人: NTT DOCOMO, INC.

    摘要: A video predictive decoding method to be executed by a video predictive decoding device with picture storage means for storing a reference picture to be used for decoding of a subsequent picture, comprising: an input step of accepting input of compressed picture data including a random access picture serving as a picture of random access, the compressed picture data obtained by encoding each of a plurality of pictures constituting a video sequence by a method of either intra-frame prediction or inter-frame prediction, and the input step also accepting input of display order encoded data obtained by encoding data providing display order information of each of the pictures; a restoration step of decoding the compressed picture data to restore a reproduced picture and decoding the display order encoded data to restore the display order information; a picture storage step of storing in the picture storage means the restored reproduced picture as the reference picture to be used for decoding of the subsequent picture; and a memory management step of controlling the picture storage means.

    摘要翻译: 一种视频预测解码方法,由具有图像存储装置的视频预测解码装置执行,所述图像存储装置用于存储要用于后续图像的解码的参考图像,所述方法包括:输入步骤,接受包括随机访问图像的压缩图像数据的输入 用作随机访问的图片,该压缩图片数据是通过帧内预测或帧间预测的方法对构成视频序列的多个图片中的每一个进行编码而获得的,并且输入步骤还接受显示顺序的输入 通过编码提供每个图片的显示顺序信息的数据获得的编码数据; 恢复步骤,对压缩图片数据进行解码以恢复再现图片,并对显示顺序编码数据进行解码以恢复显示顺序信息; 图像存储步骤,用于将恢复的再现图像存储在图像存储装置中,作为将用于后续图像的解码的参考图像; 以及控制图像存储装置的存储器管理步骤。

    PREDICTIVE ENCODING METHOD, PREDICTIVE ENCODING DEVICE, AND PREDICTIVE ENCODING PROGRAM OF MOTION VECTOR, AND, PREDICTIVE DECODING METHOD, PREDICTIVE DECODING DEVICE, AND PREDICTIVE DECODING PROGRAM OF MOTION VECTOR

    公开(公告)号:EP4120686A1

    公开(公告)日:2023-01-18

    申请号:EP22194613.0

    申请日:2011-12-20

    申请人: NTT DOCOMO, INC.

    IPC分类号: H04N19/52 H04N19/61

    摘要: A predictive encoding method of motion vectors according to one embodiment includes: (a) a step of determining a motion vector of a target partition in a frame picture of an encoding target; (b) a step of determining a first motion vector predictor candidate from a motion vector or motion vectors of one or more partitions belonging to a left-neighboring region to the target partition; (c) a step of determining a second motion vector predictor candidate from a motion vector or motion vectors of one or more partitions belonging to an above-neighboring region to the target partition; (d) a step of selecting an optimum motion vector predictor and outputting motion vector predictor indication information to specify the selected optimum motion vector predictor, the optimum motion vector predictor selected based on comparison between one or more motion vector predictor candidates including the first motion vector predictor candidate and the second motion vector predictor candidate, and the motion vector of the target partition; and (e) a step of encoding the motion vector predictor indication information.