公开(公告)号：US20120320980A1

公开(公告)日：2012-12-20

申请号：US13472197

申请日：2012-05-15

申请人： Satoshi SHIMADA ,  Akira Nakagawa ,  Kimihiko Kazui ,  Junpei Koyama

发明人： Satoshi SHIMADA ,  Akira Nakagawa ,  Kimihiko Kazui ,  Junpei Koyama

IPC分类号： H04N7/32

CPC分类号： H04N19/577 ,  H04N19/463 ,  H04N19/52 ,  H04N19/573

摘要： A video decoding apparatus includes a motion vector information storing unit configured to store motion vectors of blocks in previously-decoded pictures and a temporally-adjacent vector predictor generating unit. The temporally-adjacent vector predictor generating unit includes a block determining unit configured to determine multiple blocks in a picture that is temporally adjacent to a picture including a target block to be processed, the determined blocks including a block that is closest to first coordinates in the target block; a vector selecting unit configured to obtain motion vectors of the determined blocks from the motion vector information storing unit and select at least one motion vector from the obtained motion vectors; and a generating unit configured to generate a vector predictor candidate, which is used for a decoding process of the target block, based on the selected motion vector.

摘要翻译： 视频解码装置包括：运动矢量信息存储单元，被配置为存储先前解码的图像中的块的运动矢量和时间相邻的矢量预测器生成单元。 时间相邻矢量预测器生成单元包括：块确定单元，被配置为确定在时间上与包括要处理的目标块的图像相邻的图像中的多个块，所确定的块包括最接近于待处理的目标块的块 目标块; 矢量选择单元，被配置为从所述运动矢量信息存储单元获取所确定的块的运动矢量，并从所获得的运动矢量中选择至少一个运动矢量; 以及生成单元，被配置为基于所选择的运动矢量生成用于目标块的解码处理的向量预测器候选。

公开(公告)号：US20090016621A1

公开(公告)日：2009-01-15

申请号：US12171130

申请日：2008-07-10

申请人： Akira Nakagawa ,  Hidenobu Miyoshi ,  Kimihiko Kazui ,  Hisanari Kimura

发明人： Akira Nakagawa ,  Hidenobu Miyoshi ,  Kimihiko Kazui ,  Hisanari Kimura

IPC分类号： G06K9/36

CPC分类号： H04N19/55 ,  H04N19/105 ,  H04N19/107 ,  H04N19/16 ,  H04N19/17 ,  H04N19/174 ,  H04N19/186 ,  H04N19/523

摘要： A moving-picture coding device that performs inter-field motion compensation prediction, includes a reference limit area determining unit that determines to select, for each reference picture, with respect to reference pictures used for coding, a luminance or chrominance reference limit area putting a limit to a reference picture used for generating a prediction picture of a luminance or chrominance of a coding target block belonging to the coding target picture limit area of the case upon each reference picture being previously coded; a selecting inhibit vector determining unit that determines, in a case of coding the coding block belonging to the coding target picture limit area, a selecting inhibit vector that inhibits selecting a luminance and the chrominance are comprised only of pixels of the luminance reference limit area and the chrominance reference limit area.

摘要翻译： 执行场间运动补偿预测的运动图像编码装置包括参考限制区域确定单元，其确定对于每个参考图像，对于用于编码的参考图像，将亮度或色度参考限制区域放入 限制为用于生成属于预先对每个参考图像进行编码的情况的编码对象图像限制区域的编码对象块的亮度或色度的预测图像的参考图像; 选择禁止向量确定单元，其在对编码对象图像限制区域的编码块进行编码的情况下，决定禁止选择亮度和色度的选择禁止矢量，仅包含亮度基准极限区域的像素， 色度参考极限区域。

公开(公告)号：US07324697B2

公开(公告)日：2008-01-29

申请号：US10637587

申请日：2003-08-11

申请人： Kimihiko Kazui ,  Akira Nakagawa ,  Eishi Morimatsu

发明人： Kimihiko Kazui ,  Akira Nakagawa ,  Eishi Morimatsu

IPC分类号： G06K9/36

CPC分类号： G06T1/0035 ,  G06T2201/0053

摘要： A data embedding device includes a dynamic image storage unit storing inter-frame prediction coded dynamic image data, an embedding data storage unit storing embedding data that is embedded into the inter-frame prediction coded dynamic image data, and an embedding unit embedding the embedding data into a rounding direction flag contained per frame data in the inter-frame prediction coded dynamic image data.

摘要翻译： 数据嵌入装置包括存储帧间预测编码动态图像数据的动态图像存储单元，存储嵌入在帧间预测编码动态图像数据中的嵌入数据的嵌入数据存储单元，嵌入嵌入数据的嵌入单元 进入帧间预测编码动态图像数据中每帧数据所包含的舍入方向标志。

公开(公告)号：US09247267B2

公开(公告)日：2016-01-26

申请号：US13480304

申请日：2012-05-24

申请人： Satoshi Shimada ,  Akira Nakagawa ,  Kimihiko Kazui ,  Junpei Koyama

发明人： Satoshi Shimada ,  Akira Nakagawa ,  Kimihiko Kazui ,  Junpei Koyama

IPC分类号： H04N11/02 ,  H04N19/52 ,  H04N19/105 ,  H04N19/503 ,  H04N19/176 ,  H04N19/51 ,  H04N19/103 ,  H04N19/587 ,  H04N19/577 ,  H04N19/513 ,  H04N19/31 ,  H04N19/33

CPC分类号： H04N19/52 ,  H04N19/103 ,  H04N19/105 ,  H04N19/176 ,  H04N19/31 ,  H04N19/33 ,  H04N19/503 ,  H04N19/51 ,  H04N19/521 ,  H04N19/543 ,  H04N19/577 ,  H04N19/587

摘要： A video decoding apparatus includes a reference picture list storing unit configured to store picture information of pictures; a motion vector information storing unit configured to store motion vector information including motion vectors of blocks that are spatially and temporally adjacent to a target block to be decoded and reference picture identifiers indicating pictures that the motion vectors refer to; and a vector predictor generating unit configured to scale a vector predictor candidate for a motion vector of the target block based on the picture information and the motion vector information and to correct the scaled vector predictor candidate toward 0 by a predetermined amount.

摘要翻译： 视频解码装置包括：参考图像列表存储单元，被配置为存储图像的图像信息; 运动矢量信息存储单元，被配置为存储运动矢量信息，该运动矢量信息包括空间和时间上与要解码的目标块相邻的块的运动矢量，以及指示运动矢量所参照的图像的参考图像标识符; 以及矢量预测器生成单元，被配置为基于所述图像信息和所述运动矢量信息来缩放所述目标块的运动矢量的矢量预测器候选，并将所述经缩放的矢量预测器候选朝向0修正预定量。

公开(公告)号：US09204154B2

公开(公告)日：2015-12-01

申请号：US13570566

申请日：2012-08-09

申请人： Akira Nakagawa ,  Kimihiko Kazui ,  Hidenobu Miyoshi ,  Junpei Koyama

发明人： Akira Nakagawa ,  Kimihiko Kazui ,  Hidenobu Miyoshi ,  Junpei Koyama

IPC分类号： H04N19/167 ,  H04N19/105 ,  H04N19/13 ,  H04N19/182 ,  H04N19/593

CPC分类号： H04N19/167 ,  H04N19/105 ,  H04N19/13 ,  H04N19/182 ,  H04N19/593

摘要： A encoding device includes a boundary pixel prediction value generation unit, boundary pixel prediction error estimation unit, and a quantized coefficient encoding unit. The boundary pixel prediction value generation unit generates a boundary pixel prediction value as a prediction value of a boundary pixel adjacent to an encoded block in the encoding block from a locally decoded image of a plurality of encoded blocks adjacent to the encoding block. The boundary pixel prediction error estimation unit generates boundary pixel prediction error estimation information from the boundary pixel prediction value and the encoding block prediction image with respect to the boundary pixel. The quantized coefficient encoding unit generates encoding block entropy encoded data from the quantized coefficients and the boundary pixel prediction error estimation information.

摘要翻译： 编码装置包括边界像素预测值生成单元，边界像素预测误差估计单元和量化系数编码单元。 边界像素预测值生成单元从与编码块相邻的多个编码块的局部解码图像生成边界像素预测值作为与编码块中的编码块相邻的边界像素的预测值。 边界像素预测误差估计单元从边界像素预测值和编码块预测图像生成相对于边界像素的边界像素预测误差估计信息。 量化系数编码单元从量化系数和边界像素预测误差估计信息生成编码块熵编码数据。

公开(公告)号：US08780989B2

公开(公告)日：2014-07-15

申请号：US12170098

申请日：2008-07-09

申请人： Hidenobu Miyoshi ,  Akira Nakagawa ,  Kimihiko Kazui ,  Hisanari Kimura

发明人： Hidenobu Miyoshi ,  Akira Nakagawa ,  Kimihiko Kazui ,  Hisanari Kimura

IPC分类号： H04N7/12

CPC分类号： H04N19/86 ,  H04N19/107 ,  H04N19/109 ,  H04N19/11 ,  H04N19/16 ,  H04N19/176 ,  H04N19/197 ,  H04N19/55 ,  H04N19/61

摘要： A moving-picture coding device that divides a moving-picture signal comprised of a plurality of fields into a plurality of blocks and that can select coded area prediction in a current field and inter-field motion compensation prediction by block units, the moving-picture coding device comprises a forced intra block line determining unit, an intra selecting unit, a vector limit block line determining unit, a vector limit unit, a slice division unit a deblocking filter inhibit unit.

摘要翻译： 一种运动图像编码装置，其将由多个场组成的运动图像信号分割成多个块，并且可以通过块单位选择当前场中的编码区域预测和场间运动补偿预测，运动图像 编码装置包括强制帧内块确定单元，帧内选择单元，向量限制块行确定单元，向量限制单元，片分割单元和去块滤波器禁止单元。

公开(公告)号：US20130128976A1

公开(公告)日：2013-05-23

申请号：US13602415

申请日：2012-09-04

申请人： Junpei Koyama ,  Akihiro Yamori ,  Kimihiko Kazui ,  Satoshi Shimada ,  Akira Nakagawa

发明人： Junpei Koyama ,  Akihiro Yamori ,  Kimihiko Kazui ,  Satoshi Shimada ,  Akira Nakagawa

IPC分类号： H04N7/32

CPC分类号： H04N19/16 ,  H04N19/107 ,  H04N19/112 ,  H04N19/513

摘要： A method includes extracting a first vector used to code a specific block belonging to a coded field picture arranged chronologically adjacent to a field picture to be coded and to a block to be coded, generating a second vector by scaling the first vector based on a temporal distance between the field picture and a second picture specified by a reference index and referenced for the block and included in the field picture and a temporal distance between a first picture pointed by the first vector and the coded field picture arranged chronologically adjacent to the field picture, and correcting the second vector based on a parity of the field picture, a parity of the first picture, a parity of the second picture and a parity of the coded field picture and forming the corrected second vector.

摘要翻译： 一种方法包括提取用于对属于按时间顺序排列的编码场图像编码的第一矢量编码与要编码的场图像相邻的块，并且生成第二矢量，通过基于时间 场图像之间的距离和由参考索引指定并被参考并包括在场图像中的第二图像之间的距离以及由第一矢量指向的第一图像与按时间顺序与场图像排列相邻的编码场图像之间的时间距离 并且基于场图像的奇偶校验，第一图像的奇偶校验，第二图像的奇偶校验和编码的场图像的奇偶校验来校正第二矢量，并且形成校正的第二矢量。

公开(公告)号：US6025880A

公开(公告)日：2000-02-15

申请号：US965999

申请日：1997-11-07

申请人： Akira Nakagawa ,  Kimihiko Kazui ,  Eishi Morimatsu

发明人： Akira Nakagawa ,  Kimihiko Kazui ,  Eishi Morimatsu

IPC分类号： H04N19/50 ,  H03M7/30 ,  H04N19/107 ,  H04N19/132 ,  H04N19/136 ,  H04N19/137 ,  H04N19/139 ,  H04N19/14 ,  H04N19/149 ,  H04N19/152 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/186 ,  H04N19/196 ,  H04N19/423 ,  H04N19/46 ,  H04N19/463 ,  H04N19/503 ,  H04N19/51 ,  H04N19/52 ,  H04N19/70 ,  H04N7/50

CPC分类号： H04N19/61 ,  H04N19/51

摘要： A moving picture encoding system. There is provided a moving picture encoding system and method for changing the resolution of an original picture that is an object of encoding using a proper criterion, and encoding the picture while preventing deterioration of picture quality. A motion prediction/calculation means provides information of an error in prediction or of randomness of a motion vector which is calculated in the course of or as a result of motion prediction. A resolution determination means determines a resolution for the input picture to be encoded using the information. The input picture is converted into a picture having the determined resolution, and the picture resulting from the conversion is encoded and output.

摘要翻译： 运动图像编码系统。 提供了一种运动图像编码系统和方法，用于使用适当的标准来改变作为编码对象的原始图像的分辨率，并且在防止图像质量劣化的同时对图像进行编码。 运动预测/计算装置提供在运动预测的过程中或作为运动预测的结果计算的运动矢量的预测误差或随机性的信息。 分辨率确定装置使用该信息确定要编码的输入图像的分辨率。 输入图像被转换成具有确定的分辨率的图像，并且由转换产生的图像被编码和输出。

公开(公告)号：US5838378A

公开(公告)日：1998-11-17

申请号：US729303

申请日：1996-10-10

申请人： Akira Nakagawa ,  Kimihiko Kazui ,  Eishi Morimatsu

发明人： Akira Nakagawa ,  Kimihiko Kazui ,  Eishi Morimatsu

IPC分类号： G06T9/00 ,  H03M7/36 ,  H04N19/103 ,  H04N19/107 ,  H04N19/134 ,  H04N19/136 ,  H04N19/137 ,  H04N19/139 ,  H04N19/14 ,  H04N19/176 ,  H04N19/189 ,  H04N19/196 ,  H04N19/423 ,  H04N19/46 ,  H04N19/463 ,  H04N19/50 ,  H04N19/51 ,  H04N19/61 ,  H04N19/625 ,  H04N19/70 ,  H04N19/85 ,  H04N19/91 ,  H04N7/50

CPC分类号： H04N19/527 ,  H04N19/126 ,  H04N19/61 ,  H04N19/82 ,  H04N19/124

摘要： A moving image coding apparatus, a moving image decoding apparatus and a moving image coding-decoding apparatus suitable for use when a moving image is compressed and transmitted have a prediction error signal generating means for dividing an inputted image into blocks each consisting of plural pixels and computing a difference between the inputted image and a predicted image generated from a past inputted image to generate a prediction error signal, an amplitude modulating means for conducting amplitude modulation on an amplitude of each pixel of the prediction error signal at a predetermined modulation factor, a transforming means for transforming the prediction error signal having been undergone amplitude modulation in order to remove correlation among the pixels to generate a transform coefficient, a quantizing means for quantizing the generated transform coefficient, and a channel coding means for assigning a code to the quantized transform coefficient and outputting it, whereby a visually prominent error can be decreased over an entire block when the moving image is coded and decoded.

摘要翻译： 运动图像编码装置，运动图像解码装置和运动图像编码解码装置，适用于当运动图像被压缩和发送时使用的预测误差信号产生装置，用于将输入的图像分割成由多个像素和 计算输入图像与从过去输入图像生成的预测图像之间的差以产生预测误差信号;幅度调制装置，用于以预定调制因数对预测误差信号的每个像素的幅度进行幅度调制; 变换装置，用于变换已经进行幅度调制的预测误差信号，以消除像素之间的相关性以产生变换系数;量化所生成的变换系数的量化装置;以及用于将代码分配给量化变换的信道编码装置 系数并输出，从而a 当运动图像被编码和解码时，视觉上突出的错误可以在整个块上减小。

公开(公告)号：US09191676B2

公开(公告)日：2015-11-17

申请号：US13611742

申请日：2012-09-12

申请人： Satoshi Shimada ,  Kimihiko Kazui ,  Junpei Koyama ,  Akira Nakagawa

发明人： Satoshi Shimada ,  Kimihiko Kazui ,  Junpei Koyama ,  Akira Nakagawa

IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/196 ,  H04N19/52 ,  H04N19/51 ,  H04N19/593

CPC分类号： H04N19/198 ,  H04N19/51 ,  H04N19/52 ,  H04N19/593

摘要： A video decoding apparatus according to one aspect of the disclosure performs a decoding process, on a process block basis, using a motion vector of the process block and prediction information candidates of the motion vector. The video decoding apparatus includes a first prediction information candidate generating part configured to acquire the prediction information of the adjacent block to generate the prediction information candidate if motion compensation of the block is performed using the same prediction information as the prediction information of the adjacent block; and a second prediction information candidate generating part configured to add prediction information to the prediction information candidates if the number of the prediction information candidates is less than a predetermined number and two prediction information items of the prediction information candidates have the reference picture identifiers indicating the same picture, the added prediction information including an averaged motion vector of two motion vectors.

摘要翻译： 根据本公开的一个方面的视频解码装置在处理块的基础上，使用处理块的运动矢量和运动矢量的预测信息候选来进行解码处理。 视频解码装置包括第一预测信息候补生成部，被配置为获取相邻块的预测信息以生成预测信息候选，如果使用与相邻块的预测信息相同的预测信息来执行块的运动补偿; 以及第二预测信息候选生成部，被配置为如果所述预测信息候选的数量少于预定数量而将预测信息添加到所述预测信息候选，并且所述预测信息候选的两个预测信息项具有指示相同的参考图像标识符 图像，添加的预测信息包括两个运动矢量的平均运动矢量。