公开(公告)号：US20120251015A1

公开(公告)日：2012-10-04

申请号：US13503782

申请日：2010-10-29

申请人： Chong Soon Lim ,  Min Li ,  Hai Wei Sun ,  Youji Shibahara ,  Takahiro Nishi

发明人： Chong Soon Lim ,  Min Li ,  Hai Wei Sun ,  Youji Shibahara ,  Takahiro Nishi

IPC分类号： G06K9/36

CPC分类号： H04N19/126 ,  H04N19/172 ,  H04N19/196 ,  H04N19/30 ,  H04N19/46 ,  H04N19/61

摘要： A decoding method includes: obtaining a plurality of quantization parameter sets from a header of a coded stream (S400); parsing an identifier from a header of a coded picture included in the coded stream (S402); selecting at least one quantization parameter set from among the plurality of quantization parameter sets, based on the parsed identifier (S404); determining whether a flag parsed from the header of the coded picture has a predetermined value (S408); generating a new quantization matrix from another quantization matrix when the flag has the predetermined value (S410); decoding the coded picture by inversely quantizing the coded picture using the generated new quantization matrix (S412); and decoding the coded picture by inversely quantizing the coded picture using a quantization matrix included in the selected quantization parameter set when the flag does not have the predetermined value (S414).

摘要翻译： 解码方法包括：从编码流的头部获取多个量化参数集（S400）; 从编码流中包含的编码图像的标题中解析标识符（S402）; 基于所解析的标识符，从所述多个量化参数集中选择至少一个量化参数集（S404）; 确定从编码图像的标题解析的标志是否具有预定值（S408）; 当标志具有预定值时，从另一个量化矩阵生成新的量化矩阵（S410）; 通过使用所生成的新量化矩阵对编码图像进行逆量化来解码编码图像（S412）; 以及当所述标志不具有所述预定值时，使用包括在所选择的量化参数集中的量化矩阵对所述编码图像进行逆量化，对所述编码图像进行解码（S414）。

公开(公告)号：US20120201297A1

公开(公告)日：2012-08-09

申请号：US13502592

申请日：2010-10-29

申请人： Chong Soon Lim ,  Min Li ,  Hai Wei Sun ,  Youji Shibahara ,  Takahiro Nishi

发明人： Chong Soon Lim ,  Min Li ,  Hai Wei Sun ,  Youji Shibahara ,  Takahiro Nishi

IPC分类号： H04N7/12

CPC分类号： H04N19/44 ,  H04N19/126 ,  H04N19/176 ,  H04N19/463 ,  H04N19/61

摘要： An image decoding method including: obtaining an old quantization scaling matrix which is a decoded quantization scaling matrix and is used for decoding a new quantization scaling matrix; obtaining, from the coded stream, an update parameter indicating an amount of change in the new quantization scaling matrix with respect to the old quantization scaling matrix; decoding the new quantization scaling matrix using the old quantization scaling matrix obtained in the obtaining of an old quantization scaling matrix and the update parameter obtained in the obtaining of an update parameter; and decoding the coded image using the new quantization scaling matrix decoded in the decoding of the new quantization scaling matrix.

摘要翻译： 一种图像解码方法，包括：获得作为解码的量化缩放矩阵的旧的量化缩放矩阵，并用于解码新的量化缩放矩阵; 从编码流中获取指示相对于旧的量化缩放矩阵的新量化缩放矩阵的变化量的更新参数; 使用在获得旧的量化缩放矩阵中获得的旧的量化缩放矩阵和在获得更新参数中获得的更新参数来解码新的量化缩放矩阵; 以及使用在新的量化缩放矩阵的解码中解码的新的量化缩放矩阵来解码编码图像。

公开(公告)号：US09467710B2

公开(公告)日：2016-10-11

申请号：US13502592

申请日：2010-10-29

申请人： Chong Soon Lim ,  Min Li ,  Hai Wei Sun ,  Youji Shibahara ,  Takahiro Nishi

发明人： Chong Soon Lim ,  Min Li ,  Hai Wei Sun ,  Youji Shibahara ,  Takahiro Nishi

IPC分类号： H04N19/44 ,  H04N19/61 ,  H04N19/126 ,  H04N19/176 ,  H04N19/463

CPC分类号： H04N19/44 ,  H04N19/126 ,  H04N19/176 ,  H04N19/463 ,  H04N19/61

摘要： An image decoding method including: obtaining an old quantization scaling matrix which is a decoded quantization scaling matrix and is used for decoding a new quantization scaling matrix; obtaining, from the coded stream, an update parameter indicating an amount of change in the new quantization scaling matrix with respect to the old quantization scaling matrix; decoding the new quantization scaling matrix using the old quantization scaling matrix obtained in the obtaining of an old quantization scaling matrix and the update parameter obtained in the obtaining of an update parameter; and decoding the coded image using the new quantization scaling matrix decoded in the decoding of the new quantization scaling matrix.

摘要翻译： 一种图像解码方法，包括：获得作为解码的量化缩放矩阵的旧的量化缩放矩阵，并用于解码新的量化缩放矩阵; 从编码流中获取指示相对于旧的量化缩放矩阵的新量化缩放矩阵的变化量的更新参数; 使用在获得旧的量化缩放矩阵中获得的旧的量化缩放矩阵和在获得更新参数中获得的更新参数来解码新的量化缩放矩阵; 以及使用在新的量化缩放矩阵的解码中解码的新的量化缩放矩阵来解码编码图像。

公开(公告)号：US08553761B2

公开(公告)日：2013-10-08

申请号：US13249469

申请日：2011-09-30

申请人： Chong Soon Lim ,  Takahiro Nishi ,  Youji Shibahara

发明人： Chong Soon Lim ,  Takahiro Nishi ,  Youji Shibahara

IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04

CPC分类号： H04N19/597 ,  H04N13/161 ,  H04N13/178 ,  H04N19/112 ,  H04N19/124 ,  H04N19/15 ,  H04N19/152 ,  H04N19/172 ,  H04N19/70

摘要： A coding method includes: defining an access unit; and coding each of the pictures included in the access unit, for each access unit. The defining includes: determining a unit of coding for determining whether the pictures included in the access unit are to be uniformly coded on a per-field basis or on a per-frame basis; and determining a field type for determining whether the pictures are to be uniformly coded as top fields or bottom fields when it is determined that the pictures included in the access unit are to be coded on a per-field basis. In the coding, each of the pictures is coded for each access unit in a format determined in the determining of a unit of coding and in the determining of a field type.

公开(公告)号：US20120020414A1

公开(公告)日：2012-01-26

申请号：US13249469

申请日：2011-09-30

申请人： CHONG SOON LIM ,  Takahiro Nishi ,  Youji Shibahara

发明人： CHONG SOON LIM ,  Takahiro Nishi ,  Youji Shibahara

IPC分类号： H04N7/26

CPC分类号： H04N19/597 ,  H04N13/161 ,  H04N13/178 ,  H04N19/112 ,  H04N19/124 ,  H04N19/15 ,  H04N19/152 ,  H04N19/172 ,  H04N19/70

摘要： A coding method includes: defining an access unit; and coding each of the pictures included in the access unit, for each access unit. The defining includes: determining a unit of coding for determining whether the pictures included in the access unit are to be uniformly coded on a per-field basis or on a per-frame basis; and determining a field type for determining whether the pictures are to be uniformly coded as top fields or bottom fields when it is determined that the pictures included in the access unit are to be coded on a per-field basis. In the coding, each of the pictures is coded for each access unit in a format determined in the determining of a unit of coding and in the determining of a field type.

摘要翻译： 编码方法包括：定义访问单元; 并对每个访问单元对包括在访问单元中的每个图像进行编码。 该定义包括：确定用于确定包括在该接入单元中的图像是按照每场还是每帧均匀编码的编码单元; 以及当确定包括在所述访问单元中的图像将被按照每场进行编码时，确定用于确定所述图像是否被均匀地编码为顶场或底场的场类型。 在编码中，以确定编码单位和字段类型的确定中确定的格式，为每个接入单元编码每个图像。

公开(公告)号：US20100266010A1

公开(公告)日：2010-10-21

申请号：US12792899

申请日：2010-06-03

申请人： Chong Soon LIM ,  Takahiro Nishi ,  Youji Shibahara

发明人： Chong Soon LIM ,  Takahiro Nishi ,  Youji Shibahara

IPC分类号： H04N7/12

CPC分类号： H04N19/597 ,  H04N13/161 ,  H04N13/178 ,  H04N19/112 ,  H04N19/124 ,  H04N19/15 ,  H04N19/152 ,  H04N19/172 ,  H04N19/70

摘要： A coding method includes: defining an access unit; and coding each of the pictures included in the access unit, for each access unit. The defining includes: determining a unit of coding for determining whether the pictures included in the access unit are to be uniformly coded on a per-field basis or on a per-frame basis; and determining a field type for determining whether the pictures are to be uniformly coded as top fields or bottom fields when it is determined that the pictures included in the access unit are to be coded on a per-field basis. In the coding, each of the pictures is coded for each access unit in a format determined in the determining of a unit of coding and in the determining of a field type.

摘要翻译： 编码方法包括：定义访问单元; 并对每个访问单元对包括在访问单元中的每个图像进行编码。 该定义包括：确定用于确定包括在该接入单元中的图像是按照每场还是每帧均匀编码的编码单元; 以及当确定包括在所述访问单元中的图像将被按照每场进行编码时，确定用于确定所述图像是否被均匀地编码为顶场或底场的场类型。 在编码中，以确定编码单位和字段类型的确定中确定的格式，为每个接入单元编码每个图像。

公开(公告)号：US09363525B2

公开(公告)日：2016-06-07

申请号：US13534363

申请日：2012-06-27

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： H04N7/26 ,  H04M7/00 ,  H04N19/463 ,  H04N19/176 ,  H04N19/70 ,  H04N19/13 ,  H04N19/134 ,  H04N19/593 ,  H04N19/159 ,  H04N19/12

CPC分类号： H04N19/134 ,  H04N19/12 ,  H04N19/13 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/186 ,  H04N19/463 ,  H04N19/593 ,  H04N19/70

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 “no_residual_data_flag”.

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; 并且在信号类型是第二类型且第二类型是“no_residual_data_flag”的情况下，在不使用上部块的控制参数的条件下确定上下文。

公开(公告)号：US08743969B2

公开(公告)日：2014-06-03

申请号：US13530218

申请日：2012-06-22

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： H04N7/12

CPC分类号： H04N19/157 ,  H04N19/13 ,  H04N19/176 ,  H04N19/197 ,  H04N19/463

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.

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，在不使用上部块的控制参数的条件下确定上下文。

公开(公告)号：US20130329797A1

公开(公告)日：2013-12-12

申请号：US14000476

申请日：2012-02-20

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

CPC分类号： H04N19/105 ,  H04N19/52 ,  H04N19/577 ,  H04N19/61

摘要： An image coding method includes: writing, to a memory, a first motion vector for a first sub-block; reading, from the memory, the first motion vector; coding a second motion vector for a second sub-block, using the first motion vector; selecting a representative motion vector from among motion vectors for sub-blocks; determining whether or not the representative motion vector is used in place of the first motion vector; and adding, to a bitstream, a flag indicating whether or not the representative motion vector is used, wherein when the representative motion vector is used: in the writing, the representative motion vector is written to the memory; in the reading, the representative motion vector is read from the memory; and in the coding, the second motion vector is coded using the representative motion vector.

摘要翻译： 图像编码方法包括：向存储器写入第一子块的第一运动矢量; 从记忆中读出第一运动矢量; 使用所述第一运动矢量对第二子块的第二运动矢量进行编码; 从子块的运动矢量中选择代表运动矢量; 确定代表运动矢量是否代替第一运动矢量; 并且向比特流添加指示是否使用代表运动矢量的标志，其中当使用代表运动矢量时：在写入中，将代表运动矢量写入存储器; 在读取中，从存储器中读取代表运动矢量; 并且在编码中，使用代表运动矢量对第二运动矢量进行编码。

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。