公开(公告)号：US09445120B2

公开(公告)日：2016-09-13

申请号：US14612535

申请日：2015-02-03

申请人： Panasonic Intellectual Property Corporation of America

发明人： Toshiyasu Sugio ,  Takahiro Nishi ,  Youji Shibahara ,  Hisao Sasai

IPC分类号： H04N7/12 ,  H04N19/577 ,  H04N19/56 ,  H04N19/105 ,  H04N19/52 ,  H04N19/513 ,  H04N19/573 ,  H04N19/503 ,  H04N19/70 ,  H04N19/107 ,  H04N19/109

CPC分类号： H04N19/513 ,  H04N19/105 ,  H04N19/107 ,  H04N19/109 ,  H04N19/503 ,  H04N19/52 ,  H04N19/56 ,  H04N19/573 ,  H04N19/577 ,  H04N19/70

摘要： By the moving picture coding method and the moving picture decoding method, it is possible to improve coding efficiency. The moving picture coding apparatus includes a merge block candidate calculation unit that (i) specifies merge block candidates at merge mode, by using colpic information such as motion vectors and reference picture index values of neighbor blocks of a current block to be coded and a motion vector and the like of a collocated block of the current block which are stored in a colPic memory, and (ii) generates a combined merge block by using the merge block candidates.

公开(公告)号：US09414061B2

公开(公告)日：2016-08-09

申请号：US14049289

申请日：2013-10-09

申请人： Panasonic Intellectual Property Corporation of America

发明人： Chong Soon Lim ,  Sue Mon Thet Naing ,  Takahiro Nishi ,  Hisao Sasai ,  Youji Shibahara ,  Toshiyasu Sugio ,  Kyoko Tanikawa ,  Toru Matsunobu ,  Kengo Terada

IPC分类号： H04N7/12 ,  H04N19/51 ,  H04N19/52 ,  H04N19/70 ,  H04N19/176 ,  H04N19/103 ,  H04N19/61

CPC分类号： H04N19/513 ,  H04N19/103 ,  H04N19/176 ,  H04N19/44 ,  H04N19/52 ,  H04N19/61 ,  H04N19/70

摘要： A method of performing motion vector prediction for a current block in a picture is provided which includes: deriving a candidate for a motion vector predictor to code a current motion vector of the current block, from a first motion vector of a first block that is spatially adjacent or temporally adjacent to the current block; adding the derived candidate to a list of candidates; and deriving at least one motion vector predictor based on a selected candidate from the list of candidates, wherein the deriving of the candidate includes determining whether to derive the candidate from the first motion vector, based on a type of a current reference picture and a type of a first reference picture, the current reference picture being referred to from the current block using the current motion vector, the first reference picture being referred to from the first block using the first motion vector.

摘要翻译： 提供对图像中的当前块进行运动矢量预测的方法，其包括：从空间上的第一块的第一运动矢量导出用于运动矢量预测器的候选以对当前块的当前运动矢量进行编码 相邻或临时邻近当前块; 将派生的候选人添加到候选人名单; 以及基于候选列表中的所选择的候选者导出至少一个运动矢量预测器，其中，所述候选的导出包括基于当前参考图片的类型和类型来确定是否从第一运动矢量导出候选 使用当前运动矢量从当前块中引用当前参考图像，使用第一运动矢量从第一块参考第一参考图像。

公开(公告)号：US09414057B2

公开(公告)日：2016-08-09

申请号：US13902292

申请日：2013-05-24

申请人： Panasonic Intellectual Property Corporation of America

发明人： Kengo Terada ,  Youji Shibahara ,  Kyoko Tanikawa ,  Hisao Sasai ,  Toshiyasu Sugio ,  Toru Matsunobu

IPC分类号： H04N7/12 ,  G06K9/36 ,  H04N19/132 ,  H04N19/463 ,  H04N19/91 ,  H04N19/82

CPC分类号： H04N19/21 ,  H04N19/132 ,  H04N19/463 ,  H04N19/82 ,  H04N19/91

摘要： The moving picture coding method for coding an input image includes: converting a value of a first parameter into a first binary signal, the first parameter identifying a type of a sample offset process to be applied to a reconstructed image corresponding to the input image; and coding at least a portion of the first binary signal through bypass arithmetic coding using a fixed probability.

摘要翻译： 用于对输入图像进行编码的运动图像编码方法包括：将第一参数的值转换为第一二进制信号，第一参数标识要应用于与输入图像相对应的重构图像的样本偏移处理的类型; 以及通过使用固定概率的旁路算术编码对所述第一二进制信号的至少一部分进行编码。

公开(公告)号：US09332253B2

公开(公告)日：2016-05-03

申请号：US13721328

申请日：2012-12-20

申请人： Panasonic Intellectual Property Corporation of America

发明人： Kengo Terada ,  Takahiro Nishi ,  Youji Shibahara ,  Kyoko Tanikawa ,  Hisao Sasai ,  Toshiyasu Sugio ,  Toru Matsunobu

IPC分类号： H04N19/13 ,  H04N19/70 ,  H04N19/18 ,  H04N19/61

CPC分类号： H04N19/44 ,  H04N19/13 ,  H04N19/167 ,  H04N19/176 ,  H04N19/18 ,  H04N19/60 ,  H04N19/61 ,  H04N19/70 ,  H04N19/90 ,  H04N19/91

摘要： An image coding method for coding an image on a block-by-block basis, includes: selecting, for each of a plurality of sub-blocks included in a coding-target block and each including a plurality of coefficients, a context for performing arithmetic coding on a parameter indicating a coding-target coefficient included in the sub-block from a context set corresponding to the sub-block, based on at least one reference coefficient located around the coding-target coefficient, the coding-target block being a transform unit; and performing arithmetic coding on the parameter indicating the coding-target coefficient using probability information about the selected context, wherein, in the selecting, the context is selected from the context set, the context set corresponding to a sum of (i) a value indicating a position in a horizontal direction of the sub-block in the coding-target block and (ii) a value indicating a position in a vertical direction of the sub-block in the coding-target block.

摘要翻译： 一种用于逐块地对图像进行编码的图像编码方法包括：针对包括在编码对象块中并且包括多个系数的多个子块中的每个子块选择用于执行算术的上下文 基于位于所述编码对象系数周围的至少一个参考系数，对从所述子块对应的上下文集合中指示包含在所述子块中的编码对象系数的参数进行编码，所述编码对象块是变换 单元; 以及使用关于所选择的上下文的概率信息对表示编码对象系数的参数进行算术编码，其中，在所述选择中，从所述上下文集中选择所述上下文，所述上下文集对应于（i）表示 编码对象块中的子块的水平方向的位置和（ii）表示编码对象块中的子块的垂直方向的位置的值。

公开(公告)号：US09258558B2

公开(公告)日：2016-02-09

申请号：US14271930

申请日：2014-05-07

申请人： Panasonic Intellectual Property Corporation of America

发明人： Hisao Sasai ,  Takahiro Nishi ,  Youji Shibahara ,  Toshiyasu Sugio

IPC分类号： G06K9/36 ,  H04N19/122 ,  H03M7/40 ,  H04N19/119 ,  H04N19/13 ,  H04N19/61 ,  H04N19/91

CPC分类号： H04N19/13 ,  H03M7/4018 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/136 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/52 ,  H04N19/61 ,  H04N19/91

摘要： An image coding method comprising: obtaining current signals to be coded of each of the processing units of the image; generating a binary signal by performing binarization on each of the current signals to be coded; selecting a context for each of the current signals to be coded from among a plurality of contexts; performing arithmetic coding of the binary signal by using coded probability information associated with the context selected in the selecting; and updating the coded probability information based on the binary signal, wherein, in the selecting, the context for the current signal to be coded is selected, as a shared context, for a signal which is included in one of a plurality of processing units and has a size different from a size of the processing unit including the current signal to be coded.

摘要翻译： 一种图像编码方法，包括：获得要编码的图像的每个处理单元的当前信号; 通过对要编码的每个当前信号执行二值化来产生二进制信号; 从多个上下文中选择要编码的每个当前信号的上下文; 通过使用与在选择中选择的上下文相关联的编码概率信息来执行二进制信号的算术编码; 以及基于所述二进制信号来更新编码概率信息，其中，在所述选择中，选择要编码的当前信号的上下文作为共享上下文，用于包括在多个处理单元之一中的信号，以及 具有与包括要编码的当前信号的处理单元的尺寸不同的尺寸。

公开(公告)号：US09245356B2

公开(公告)日：2016-01-26

申请号：US14024978

申请日：2013-09-12

申请人： Panasonic Intellectual Property Corporation of America

发明人： Youji Shibahara ,  Toshiyasu Sugio ,  Kyoko Tanikawa ,  Toru Matsunobu ,  Hisao Sasai ,  Kengo Terada

IPC分类号： G06K9/36 ,  G06T9/00 ,  H04N19/463 ,  H04N19/44 ,  H04N19/89

CPC分类号： G06T9/008 ,  G06K9/36 ,  H04N19/44 ,  H04N19/463 ,  H04N19/89

摘要： An image decoding method includes: obtaining setting information for setting a first quantization matrix; and inverse-quantizing coefficients of the image, using the first quantization matrix set according to the setting information. In the inverse-quantizing: when the setting information includes specifying information for specifying a second quantization matrix and the second quantization matrix specified by the specifying information is referable, the second quantization matrix is set as the first quantization matrix; and when the setting information includes the specifying information and the second quantization matrix specified by the specifying information is not referable, a third quantization matrix which is referable may be set as the first quantization matrix.

摘要翻译： 一种图像解码方法，包括：获取用于设置第一量化矩阵的设置信息; 以及使用根据设置信息设置的第一量化矩阵来对图像的逆量化系数。 在逆量化中：当设置信息包括用于指定第二量化矩阵的指定信息和由指定信息指定的第二量化矩阵时，将第二量化矩阵设置为第一量化矩阵; 并且当设置信息包括指定信息和由指定信息指定的第二量化矩阵不可参考时，可以将可引用的第三量化矩阵设置为第一量化矩阵。

公开(公告)号：US09237341B2

公开(公告)日：2016-01-12

申请号：US13962175

申请日：2013-08-08

申请人： Panasonic Intellectual Property Corporation of America

发明人： Hisao Sasai ,  Takahiro Nishi ,  Youji Shibahara ,  Kyoko Tanikawa ,  Toshiyasu Sugio ,  Toru Matsunobu ,  Kengo Terada

IPC分类号： H04N7/18 ,  H04N19/136 ,  H04N19/91 ,  H04N19/70 ,  H04N19/13 ,  H04N19/174 ,  H04N19/436

CPC分类号： H04N19/91 ,  H04N19/13 ,  H04N19/136 ,  H04N19/174 ,  H04N19/436 ,  H04N19/70

摘要： An image decoding method of decoding, on a per-block basis, a coded image included in a bitstream, includes: performing arithmetic decoding on a current block to be decoded; determining whether or not the current block is at the end of a slice; determining, when it is determined that the current block is not at the end of the slice, whether or not the current block is at the end of a sub-stream which is a structural unit of the image that is different from the slice; and performing arithmetic decoding on a sub-last bit and performing arithmetic decoding termination, when it is determined that the current block is at the end of the sub-stream.

摘要翻译： 一种在每个块的基础上对包括在比特流中的编码图像进行解码的图像解码方法包括：对要解码的当前块执行算术解码; 确定当前块是否在切片的末尾; 确定当确定当前块不在切片结束时，当前块是否处于作为不同于切片的图像的结构单元的子流的结束; 并且当确定当前块位于子流的末尾时，对子最后位执行算术解码并执行算术解码终止。

公开(公告)号：US09225946B2

公开(公告)日：2015-12-29

申请号：US14151063

申请日：2014-01-09

申请人： Panasonic Intellectual Property Corporation of America

发明人： Chong Soon Lim ,  Sue Mon Thet Naing ,  Hai Wei Sun ,  Viktor Wahadaniah ,  Takahiro Nishi ,  Hisao Sasai ,  Youji Shibahara ,  Toshiyasu Sugio ,  Kyoko Tanikawa ,  Toru Matsunobu

IPC分类号： G06K9/36 ,  G06K9/46 ,  H04N19/55 ,  H04N19/176 ,  H04N19/70 ,  H04N19/119 ,  H04N19/157 ,  H04N19/436 ,  H04N19/105 ,  H04N19/51

CPC分类号： H04N19/55 ,  H04N19/105 ,  H04N19/119 ,  H04N19/157 ,  H04N19/176 ,  H04N19/436 ,  H04N19/51 ,  H04N19/70

摘要： State-of-the-art video coding schemes supports splitting a picture into smaller rectangular units called tiles units. Each tile units can be independently encoded and decoded by separate encoders and decoders, respectively. The primary purpose of tiles units is to allow parallel processing of the picture to reduce implementation cost and complexity. The present disclosure provides additional functionality to define flexible partitioned tile regions and to allow partial decoding and reconstruction of tile regions.

摘要翻译： 最先进的视频编码方案支持将图像分割成更小的矩形单位，称为瓦片单位。 每个瓦片单元可以分别由独立的编码器和解码器独立编码和解码。 瓦片单元的主要目的是允许并行处理图片以降低实施成本和复杂性。 本公开提供了额外的功能来定义灵活的分区片区域并且允许片区域的部分解码和重建。

公开(公告)号：US09124871B2

公开(公告)日：2015-09-01

申请号：US14506737

申请日：2014-10-06

申请人： Panasonic Intellectual Property Corporation of America

发明人： Hisao Sasai ,  Takahiro Nishi ,  Youji Shibahara ,  Toshiyasu Sugio

IPC分类号： G06K9/72 ,  G06K9/36 ,  H04N7/12 ,  H04N19/583 ,  G06T9/00 ,  H04N19/105 ,  H04N19/51 ,  H04N19/117 ,  H04N19/174 ,  H04N19/17 ,  H04N19/167 ,  H04N19/137 ,  H04N19/139 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52 ,  H04N19/182

CPC分类号： H04N19/51 ,  G06T9/004 ,  H04N19/105 ,  H04N19/117 ,  H04N19/137 ,  H04N19/139 ,  H04N19/167 ,  H04N19/17 ,  H04N19/174 ,  H04N19/176 ,  H04N19/182 ,  H04N19/513 ,  H04N19/52

摘要： An image coding method is provided for coding, on a per-block basis, pictures each including slices. The method involves estimating a current motion vector which is a motion vector of a current block to be coded and specifies a reference block included in a reference picture; generating a prediction image block by allocating a value of an inside pixel to an outside pixel, the inside pixel being a pixel located inside an associated slice, the outside pixel being a pixel located outside the associated slice and included in the reference block specified by the current motion vector, and the associated slice being a slice included in the reference picture and corresponding to a current slice to be coded which includes the current block; subtracting the prediction image block from the current block to generate a difference image block; and coding the current motion vector and the difference image block.

摘要翻译： 提供一种图像编码方法，用于在每个块的基础上对每个包括切片的图像进行编码。 该方法包括估计作为要编码的当前块的运动矢量的当前运动矢量，并指定包括在参考图像中的参考块; 通过将内部像素的值分配给外部像素来生成预测图像块，所述内部像素是位于相关联的切片内的像素，所述外部像素是位于所述关联切片外部的像素，并且包括在由所述外部像素指定的参考块中 当前运动矢量，并且相关联的切片是包括在参考图片中并且对应于包括当前块的要编码的当前切片的切片; 从当前块减去预测图像块以产生差分图像块; 并对当前运动矢量和差分图像块进行编码。

公开(公告)号：US09094682B2

公开(公告)日：2015-07-28

申请号：US14490910

申请日：2014-09-19

申请人： Panasonic Intellectual Property Corporation of America

发明人： Toshiyasu Sugio ,  Takahiro Nishi ,  Youji Shibahara ,  Kyoko Tanikawa ,  Hisao Sasai ,  Toru Matsunobu ,  Kengo Terada

IPC分类号： H04N7/03 ,  H04N7/12 ,  H04N7/36 ,  H04N19/137 ,  H04N19/56 ,  H04N19/105 ,  H04N19/52 ,  H04N19/503 ,  H04N19/513 ,  H04N19/15 ,  H04N19/593 ,  H04N19/567 ,  H04N19/139 ,  H04N19/176 ,  H04N19/51 ,  H04N19/44

CPC分类号： H04N19/139 ,  H04N19/105 ,  H04N19/124 ,  H04N19/13 ,  H04N19/137 ,  H04N19/15 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/44 ,  H04N19/503 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/56 ,  H04N19/567 ,  H04N19/593 ,  H04N19/61

摘要： A moving picture coding apparatus includes an intra-inter prediction unit which calculates a second motion vector by performing a scaling process on a first motion vector of a temporally neighboring corresponding block, when selectively adding, to a list, a motion vector of each of one or more corresponding blocks each of which is either a block included in a current picture to be coded and spatially neighboring a current block to be coded or a block included in a picture other than the current picture and temporally neighboring the current block, determines whether the second motion vector has a magnitude that is within a predetermined magnitude or not within the predetermined magnitude, and adds the second motion vector to the list when the intra-inter prediction unit determines that the second motion vector has a magnitude that is within the predetermined magnitude range.

摘要翻译： 运动图像编码装置包括：帧内预测单元，其通过对时间上相邻的对应块的第一运动矢量执行缩放处理来计算第二运动矢量，当选择性地向列表中添加每个运动矢量的运动矢量时， 或更多个对应的块，每个块是包括在要编码的当前图像中的块，并且与要编码的当前块空间相邻的块或包含在除了当前图像之外的图像中并且在时间上与当前块相邻的块中的块，确定是否 第二运动矢量具有在预定幅度内或不在预定幅度内的幅度，并且当帧内帧间预测单元确定第二运动矢量具有在预定幅度内的幅度时，将第二运动矢量加到列表中 范围。