公开(公告)号：US20130136375A1

公开(公告)日：2013-05-30

申请号：US13816838

申请日：2012-06-28

申请人： Hisao Sasai ,  Takahiro Nishi ,  Youji Shibahara ,  Toshiyasu Sugio ,  Kyoko Tanikawa ,  Toru Matsunobu

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

IPC分类号： G06T9/00

CPC分类号： H04N19/593 ,  G06T9/004 ,  H04N19/13 ,  H04N19/136 ,  H04N19/184 ,  H04N19/186 ,  H04N19/44 ,  H04N19/91

摘要： An image coding method includes coding first binary data indicating a first intra prediction mode and second binary data indicating a second intra prediction mode, wherein in the coding, a first context adaptive portion which is part of the first binary data and a second context adaptive portion which is part of the second binary data are coded by context adaptive binary arithmetic coding, a first bypass portion which is different part of the first binary data and a second bypass portion which is different part of the second binary data are coded by bypass coding, and coded data is generated which includes the first context adaptive portion, the second context adaptive portion, the first bypass portion, and the second bypass portion, the first bypass portion and the second bypass portion being included subsequent to the first context adaptive portion and the second context adaptive portion.

摘要翻译： 图像编码方法包括编码表示第一帧内预测模式的第一二进制数据和表示第二帧内预测模式的第二二进制数据，其中在编码中，作为第一二进制数据的一部分的第一上下文自适应部分和第二上下文自适应部分 作为第二二进制数据的一部分的上下文自适应二进制算术编码进行编码，作为第一二进制数据的不同部分的第一旁路部分和作为第二二进制数据的不同部分的第二旁路部分通过旁路编码进行编码， 并且生成包括第一上下文自适应部分，第二上下文自适应部分，第一旁路部分和第二旁路部分的编码数据，第一旁路部分和第二旁路部分包括在第一上下文自适应部分之后，并且 第二上下文自适应部分。

公开(公告)号：US20130136178A1

公开(公告)日：2013-05-30

申请号：US13814255

申请日：2011-09-28

申请人： Hisao Sasai ,  Takahiro Nishi ,  Youji Shibahara ,  Toshiyasu Sugio ,  Virginie Drugeon

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

IPC分类号： H04N7/26 ,  H04N7/32

CPC分类号： H04N19/14 ,  H04N19/103 ,  H04N19/176 ,  H04N19/463

摘要： An image decoding method includes: restoring a selected prediction mode used in prediction at a time of coding; and decoding a current block included in coded image data to generate a decoded block, according to the prediction based on the selected prediction mode. The restoring includes: determining a first estimated prediction mode; determining a second estimated prediction mode different from the first estimated prediction mode; and restoring the selected prediction mode based on the mode information, the first estimated prediction mode, and the second estimated prediction mode.

公开(公告)号：US20130003848A1

公开(公告)日：2013-01-03

申请号：US13534165

申请日：2012-06-27

申请人： Toshiyasu SUGIO ,  Takahiro Nishi ,  Youji Shibahara ,  Kyoko Tanikawa ,  Hisao Sasai ,  Toru Matsunobu

发明人： Toshiyasu SUGIO ,  Takahiro Nishi ,  Youji Shibahara ,  Kyoko Tanikawa ,  Hisao Sasai ,  Toru Matsunobu

IPC分类号： H04N7/28

CPC分类号： H04N13/161 ,  H04N19/52 ,  H04N19/573 ,  H04N19/577 ,  H04N19/597

摘要： An image coding method includes: (i) determining, for each of one or more associated blocks, whether to add a motion vector of the associated block to a list, and (ii) adding the motion vector of the associated block to the list when determining that the motion vector of the associated block is to be added to the list; selecting a motion vector from the list as a motion vector predictor; and (i) coding a current block using a motion vector of the current block, and (ii) coding a difference between the motion vector of the current block and the motion vector predictor, and in the determining, it is determined that the motion vector of the associated block is not to be added to the list when an associated picture and an associated reference picture match temporally or when a current picture and a current reference picture match temporally.

摘要翻译： 图像编码方法包括：（i）针对一个或多个关联块中的每一个确定是否将相关块的运动矢量添加到列表，以及（ii）将相关块的运动矢量添加到列表中， 确定相关块的运动矢量将被添加到列表中; 从列表中选择运动矢量作为运动矢量预测器; 以及（i）使用当前块的运动矢量对当前块进行编码，以及（ii）对当前块的运动矢量与运动矢量预测器之间的差进行编码，并且在确定中，确定运动矢量 当相关联的图片和相关联的参考图片在时间上匹配时或当当前图片和当前参考图片在时间上匹配时，相关联的块的不被添加到列表中。

公开(公告)号：US20120263235A1

公开(公告)日：2012-10-18

申请号：US13441994

申请日：2012-04-09

申请人： Toshiyasu SUGIO ,  Takahiro Nishi ,  Youji Shibahara ,  Hisao Sasai

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

IPC分类号： H04N7/32

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.

摘要翻译： 通过运动图像编码方法和运动图像解码方法，可以提高编码效率。 运动图像编码装置包括合并块候选计算单元，其中（i）通过使用诸如运动矢量和当前要编码的块的相邻块的参考图像索引值的标准信息和运动 存储在colPic存储器中的当前块的并置块的向量等，以及（ii）通过使用合并块候选来生成组合合并块。

公开(公告)号：US20120183059A1

公开(公告)日：2012-07-19

申请号：US13349174

申请日：2012-01-12

申请人： Takahiro Nishi ,  Youji Shibahara ,  Hisao Sasai ,  Toshiyasu Sugio

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

IPC分类号： H04N7/36

CPC分类号： H04N19/50 ,  H04N19/172 ,  H04N19/174 ,  H04N19/187 ,  H04N19/31 ,  H04N19/423 ,  H04N19/44

摘要： With an image coding method which allows reduction of processing loads, when pictures included in a video signal are classified into layers so as to belong to their respective layers, a picture that belongs to the second layer that is located in a range restricted according to the first layer to which a current picture to be coded that is one of the pictures belongs, is referred to as a reference picture for the current picture, and the current picture is coded based on the reference picture.

摘要翻译： 利用允许减少处理负荷的图像编码方法，当包括在视频信号中的图像被分类为属于它们各自的层的图像时，属于第二层的图像，该图像位于根据 作为图像之一的要编码的当前图像所属的第一层被称为当前图像的参考图像，并且基于参考图像对当前图像进行编码。

公开(公告)号：US20070258702A1

公开(公告)日：2007-11-08

申请号：US10565131

申请日：2005-06-20

申请人： Toshiyasu Sugio ,  Hiroaki Toida ,  Takahiro Nishi ,  Tadamasa Toma ,  Hisao Sasai

发明人： Toshiyasu Sugio ,  Hiroaki Toida ,  Takahiro Nishi ,  Tadamasa Toma ,  Hisao Sasai

IPC分类号： H04N7/26

CPC分类号： H04N9/7921 ,  G06F1/1626 ,  G06F1/1656 ,  G06F1/1686 ,  H04N5/232 ,  H04N5/772 ,  H04N5/781 ,  H04N5/782 ,  H04N5/907 ,  H04N7/012 ,  H04N9/8042 ,  H04N9/8063 ,  H04N9/8205 ,  H04N19/103 ,  H04N19/132 ,  H04N19/156 ,  H04N19/172 ,  H04N19/182 ,  H04N19/40

摘要： An object of the present invention is to provide a recording/reproduction terminal having a general-purpose slot and a detachable encoding or decoding device. A recording/reproduction device includes: a recording/reproduction terminal 103 which records and reproduces signals representing audio or video; and a removable coding device 100 which is detachably connected to the recording/reproduction terminal 103, and the recording/reproduction terminal 103 has a terminal information storage unit 105 which stores terminal information which is information regarding the recording/reproduction terminal 103, and a removable coding device 100 has: a terminal information obtainment unit 101 which obtains the terminal information from the recording/reproduction terminal 103 when the removable coding device 100 is connected to the recording/reproduction terminal 103; and a signal conversion unit 102 which encodes or decodes the signals representing audio or video based on the obtained terminal information.

摘要翻译： 本发明的目的是提供一种具有通用时隙和可拆卸编码或解码装置的记录/再现终端。 记录/再现装置包括：记录和再现表示音频或视频的信号的记录/再现终端103; 以及可拆卸地连接到记录/再现终端103的可移除编码装置100，并且记录/再现终端103具有终端信息存储单元105，其存储关于记录/再现终端103的信息的终端信息，以及可移除 编码装置100具有：终端信息获取单元101，当可移除编码装置100连接到记录/再现终端103时，其从记录/再现终端103获得终端信息; 以及信号转换单元102，其基于获得的终端信息对表示音频或视频的信号进行编码或解码。

公开(公告)号：US10404998B2

公开(公告)日：2019-09-03

申请号：US13985315

申请日：2012-02-17

申请人： Toshiyasu Sugio ,  Takahiro Nishi ,  Youji Shibahara ,  Hisao Sasai

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

IPC分类号： H04N7/36 ,  H04N19/56 ,  H04N19/51 ,  H04N19/513

摘要： A moving picture coding method includes: determining whether or not a first block has two reference motion vectors for referencing a same direction that is one of a forward direction and a backward direction in display order, the first block being included in a first picture different from the current picture and being co-located, in the first picture, with the current block within the current picture; and calculating, when it is determined in the determining that the first block has the two reference motion vectors, first and second motion vector predictor candidates that are candidates for a motion vector for the current block, by scaling the two reference motion vectors.

公开(公告)号：US10027957B2

公开(公告)日：2018-07-17

申请号：US13978633

申请日：2012-01-12

申请人： Chong Soon Lim ,  Viktor Wahadaniah ,  Sue Mon Thet Naing ,  Takahiro Nishi ,  Youji Shibahara ,  Hisao Sasai ,  Toshiyasu Sugio

发明人： Chong Soon Lim ,  Viktor Wahadaniah ,  Sue Mon Thet Naing ,  Takahiro Nishi ,  Youji Shibahara ,  Hisao Sasai ,  Toshiyasu Sugio

IPC分类号： H04N7/36 ,  H04N19/583 ,  H04N19/46 ,  H04N19/573 ,  H04N19/58

摘要： A method of encoding video using a plurality of reference pictures is provided. The method includes: writing one of a parameter or a flag into one or more reference pictures of the plurality of reference pictures, creating a first list of reference pictures comprising the plurality of reference pictures sorted based on the parameter or flag, and encoding a current picture of the video using at least the first list of reference pictures. A method of decoding video using a plurality of reference pictures is also provided. The method includes parsing one of a parameter or flag from one or more reference pictures of the plurality of reference pictures, creating a first list of reference pictures comprising the plurality of reference pictures sorted based on the parameter or flag, and decoding a current picture of the video using at least the first list of reference pictures. In addition, there are provided corresponding apparatuses for encoding and decoding video.

公开(公告)号：US09143805B2

公开(公告)日：2015-09-22

申请号：US13546086

申请日：2012-07-11

申请人： Toru Matsunobu ,  Takahiro Nishi ,  Youji Shibahara ,  Hisao Sasai ,  Kyoko Tanikawa ,  Toshiyasu Sugio

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

IPC分类号： H04N19/86 ,  H04N19/176 ,  H04N19/70 ,  H04N19/126 ,  H04N19/14 ,  H04N19/154 ,  H04N19/593 ,  H04N19/186 ,  H04N19/36

CPC分类号： H04N19/86 ,  H04N19/126 ,  H04N19/14 ,  H04N19/154 ,  H04N19/176 ,  H04N19/186 ,  H04N19/36 ,  H04N19/593 ,  H04N19/70

摘要： An image coding method includes: generating a temporarily coded chrominance signal from the coded residual signal and the intra prediction chrominance signal; calculating a direct-current component of the input chrominance signal; calculating a direct-current component of the temporarily coded chrominance signal; calculating an offset value from the direct-current component of the input chrominance signal and the direct-current component of the temporarily coded chrominance signal; coding quantized coefficients, an intra prediction mode, and the offset value; and adding the offset value to the temporarily coded chrominance signal to generate a coded chrominance signal.

摘要翻译： 图像编码方法包括：从编码残差信号和帧内预测色度信号产生临时编码的色度信号; 计算输入色度信号的直流分量; 计算临时编码的色度信号的直流分量; 从输入色度信号的直流分量和临时编码的色度信号的直流分量计算偏移值; 编码量化系数，帧内预测模式和偏移值; 并将偏移值加到临时编码的色度信号中，以产生编码的色度信号。

公开(公告)号：US09083981B2

公开(公告)日：2015-07-14

申请号：US13347721

申请日：2012-01-11

申请人： Toshiyasu Sugio ,  Takahiro Nishi ,  Youji Shibahara ,  Hisao Sasai

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

IPC分类号： H04N7/34 ,  H04N19/52

CPC分类号： H04N19/513 ,  H04N19/31 ,  H04N19/52 ,  H04N19/573

摘要： A moving picture coding apparatus includes: an inter prediction control unit which determines to code a motion vector using, among candidate predicted motion vectors, a candidate predicted motion vector having the least error with relative to a motion vector derived by motion estimation; a picture type determination unit which generates picture type information; a temporal direction vector calculation unit which derives a candidate predicted motion vector in temporal direct; and a co-located reference direction determination unit which generates, for each picture, a co-located reference direction flag.

摘要翻译： 运动图像编码装置包括：帧间预测控制单元，其使用候选预测运动矢量中的运动矢量对相对于由运动估计导出的运动矢量具有最小误差的候选预测运动矢量进行编码; 图像类型确定单元，其生成图像类型信息; 时间方向矢量计算单元，其在时间上直接导出候选预测运动矢量; 以及共同定位的基准方向确定单元，其针对每个图像生成共同定位的参考方向标志。