公开(公告)号：US08559737B2

公开(公告)日：2013-10-15

申请号：US13534163

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： G06K9/36

CPC分类号： H04N19/00684 ,  H04N19/463 ,  H04N19/513 ,  H04N19/577

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, from the list, a motion vector which is to be merged to a current block; and (i) merging the selected motion vector to the current block, and (ii) coding the current block using the merged motion vector as a motion vector of the current block, 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; 从列表中选择要合并到当前块的运动矢量; 以及（i）将所选择的运动矢量合并到当前块，以及（ii）使用合并的运动矢量对当前块进行编码作为当前块的运动矢量，并且在确定中，确定 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，关联块不被添加到列表。

公开(公告)号：US20130235933A1

公开(公告)日：2013-09-12

申请号：US13988582

申请日：2011-11-24

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

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

IPC分类号： H04N7/32

CPC分类号： H04N19/50 ,  H04N19/13 ,  H04N19/46 ,  H04N19/573 ,  H04N19/61 ,  H04N19/70

摘要： An image coding method includes: obtaining first information and second information from a current signal to be coded, the first information identifying at least one reference picture list used in inter prediction of an image out of a plurality of reference picture lists, the second information identifying at least one reference picture used in the inter prediction of the image out of reference pictures included in the at least one reference picture list identified by the first information; mixing the first information and the second information to generate a mixed signal; selecting a variable-length coding table according to a maximum variation range of the mixed signal; and variable-length coding the mixed signal using the selected variable-length coding table.

摘要翻译： 一种图像编码方法包括：从当前要编码的信号中获取第一信息和第二信息，所述第一信息标识用于多个参考图像列表中的图像的帧间预测中使用的至少一个参考图像列表，所述第二信息识别 在包括在由第一信息识别的至少一个参考图像列表中的参考图像中的图像的帧间预测中使用的至少一个参考图像; 混合第一信息和第二信息以产生混合信号; 根据混合信号的最大变化范围选择可变长度编码表; 并使用所选择的可变长度编码表对混合信号进行可变长度编码。

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：US20130004092A1

公开(公告)日：2013-01-03

申请号：US13535527

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： G06K9/36

CPC分类号： H04N19/13 ,  H04N19/103 ,  H04N19/105 ,  H04N19/136 ,  H04N19/139 ,  H04N19/176 ,  H04N19/196 ,  H04N19/583 ,  H04N19/70 ,  H04N19/91

摘要： The image decoding method includes: determining a context for use in a current block to be processed, from among a plurality of contexts; and performing arithmetic decoding on a bit sequence corresponding to the current block, using the determined context, wherein in the determining: the context is determined under a condition that control parameters of neighboring blocks of the current block are used, when the signal type is a first type, the neighboring blocks being a left block and an upper block of the current block; and the context is determined under a condition that the control parameter of the upper block is not used, when the signal type is a second type, and the second type is (i) “merge_flag”, (ii) “ref_idx_l0” or “ref_idx_l1”, (iii) “inter_pred_flag”, (iv) “mvd_l0” or “mvd_l1”, (v) “no_residual_data_flag”, (vi) “intra_chroma_pred_mode”, (vii) “cbf_luma”, and (viii) “cbf_cb” or “cbf_cr”.

摘要翻译： 图像解码方法包括：从多个上下文中确定要处理的当前块中使用的上下文; 以及使用所确定的上下文对与当前块相对应的比特序列执行算术解码，其中在所述确定中：在使用当前块的相邻块的控制参数的条件下确定所述上下文，当所述信号类型为 第一类型，相邻块是当前块的左块和上块; 并且当信号类型是第二类型时，在上限块的控制参数的条件下确定上下文，并且第二类型是（i）merge_flag，（ii）ref_idx_10或ref_idx_l1，（iii）inter_pred_flag ，（iv）mvd_l0或mvd_l1，（v）no_residual_data_flag，（vi）intra_chroma_pred_mode，（vii）cbf_luma和（viii）cbf_cb或cbf_cr。

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：US09462282B2

公开(公告)日：2016-10-04

申请号：US13544061

申请日：2012-07-09

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： H04N7/32 ,  H04N19/157 ,  H04N19/196 ,  H04N19/176 ,  H04N19/13 ,  H04N19/91

CPC分类号： H04N19/21 ,  H04N19/105 ,  H04N19/13 ,  H04N19/157 ,  H04N19/176 ,  H04N19/186 ,  H04N19/197 ,  H04N19/91

摘要： The image decoding method includes determining a context for use in a current block to be processed, from among a plurality of contexts, wherein in the determining: the context is determined under a condition that control parameters of a left block and an upper block are used, when the signal type is a first type; and the context is determined under a third condition that the control parameter of the upper block is not used and a hierarchical depth of a data unit to which the control parameter of the current block belongs is used, when the signal type is a third type, and the third type is one or more of (i) “merge_flag”, (ii) “ref_idx_l0” or “ref_idx_l1”, (iii) “inter_pred_flag”, (iv) “mvd_l0” or “mvd_l1”, (v) “intra_chroma_pred_mode”, (vi) “cbf_luma”, and (vii) “cbf_cb” or “cbf_cr”.

摘要翻译： 图像解码方法包括从多个上下文中确定要在待处理的当前块中使用的上下文，其中在确定中：在使用左块和上块的控制参数的条件下确定上下文 当信号类型是第一类型时; 并且在第三条件下确定上下文块的控制参数并且使用当前块的控制参数所属的数据单元的分层深度的第三条件，当信号类型是第三类型时， 并且第三类型是（i）“merge_flag”，（ii）“ref_idx_10”或“ref_idx_l1”，（iii）“inter_pred_flag”，（iv）“mvd_10”或“mvd_l1”，（v）“intra_chroma_pred_mode “，（vi）”cbf_luma“和（vii）”cbf_cb“或”cbf_cr“。