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：US09369718B2

公开(公告)日：2016-06-14

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： H04N19/126 ,  H04N19/172 ,  H04N19/46 ,  H04N19/196 ,  H04N19/61 ,  H04N19/30

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; parsing an identifier from a header of a coded picture included in the coded stream; selecting at least one quantization parameter set from among the plurality of quantization parameter sets, based on the parsed identifier; determining whether a flag parsed from the header of the coded picture has a predetermined value; generating a new quantization matrix from another quantization matrix when the flag has the predetermined value; decoding the coded picture by inversely quantizing the coded picture using the generated new quantization matrix; 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.

摘要翻译： 解码方法包括：从编码流的报头获取多个量化参数集; 从包括在编码流中的编码图像的头部解析标识符; 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; 确定从编码图像的标题解析的标志是否具有预定值; 当所述标志具有所述预定值时，从另一个量化矩阵生成新的量化矩阵; 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; 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。

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：US20140105283A1

公开(公告)日：2014-04-17

申请号：US14125753

申请日：2012-06-12

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

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

IPC分类号： H04N19/124 ,  H04N19/129 ,  H04N19/159

CPC分类号： H04N19/157 ,  H04N19/11 ,  H04N19/124 ,  H04N19/126 ,  H04N19/129 ,  H04N19/159 ,  H04N19/176 ,  H04N19/625

摘要： A method of encoding video using intra prediction mode dependent quantization matrix includes: calculating an array of quantizers for each size of block unit (100); encoding the arrays of quantizers into header of compressed video stream (102); selecting one scanning order based on a selected intra prediction mode among a plurality of scanning orders (112); scanning the array of quantizers to obtain a block of quantizers based on the selected scanning order (114).

摘要翻译： 使用帧内预测模式相关量化矩阵编码视频的方法包括：针对块单元（100）的每个大小计算量化器阵列; 将量化器阵列编码为压缩视频流（102）的报头; 在多个扫描顺序（112）中基于所选择的帧内预测模式选择一个扫描顺序; 扫描量化器阵列以基于所选择的扫描顺序获得量化器块（114）。

公开(公告)号：US09894353B2

公开(公告)日：2018-02-13

申请号：US14125753

申请日：2012-06-12

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

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

IPC分类号： H04N19/129 ,  H04N19/124 ,  H04N19/159 ,  H04N19/11 ,  H04N19/126 ,  H04N19/157 ,  H04N19/176 ,  H04N19/625

CPC分类号： H04N19/157 ,  H04N19/11 ,  H04N19/124 ,  H04N19/126 ,  H04N19/129 ,  H04N19/159 ,  H04N19/176 ,  H04N19/625

摘要： A method of encoding video using intra prediction mode dependent quantization matrix includes: calculating an array of quantizers for each size of block unit (100); encoding the arrays of quantizers into header of compressed video stream (102); selecting one scanning order based on a selected intra prediction mode among a plurality of scanning orders (112); scanning the array of quantizers to obtain a block of quantizers based on the selected scanning order (114).

公开(公告)号：US20140169450A1

公开(公告)日：2014-06-19

申请号：US14239662

申请日：2012-08-24

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

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

IPC分类号： H04N19/105

CPC分类号： H04N19/10 ,  H04N19/105 ,  H04N19/174 ,  H04N19/70

摘要： A method of encoding video including: writing a plurality of predetermined buffer descriptions into a sequence parameter set of a coded video bitstream; writing a plurality of updating parameters into a slice header of the coded video bitstream for selecting and modifying one buffer description out of the plurality of buffer descriptions; and encoding a slice into the coded video bitstream using the slice header and the modified buffer description.

摘要翻译： 一种编码视频的方法，包括：将多个预定缓冲器描述写入编码视频比特流的序列参数集; 将多个更新参数写入编码视频比特流的片头中，用于选择和修改多个缓冲器描述中的一个缓冲器描述; 以及使用片头和修改的缓冲器描述将片编码到编码视频比特流中。

公开(公告)号：US20130058408A1

公开(公告)日：2013-03-07

申请号：US13605043

申请日：2012-09-06

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

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

IPC分类号： H04N7/32

CPC分类号： H04N19/50 ,  H04N19/105 ,  H04N19/15 ,  H04N19/172 ,  H04N19/174 ,  H04N19/184 ,  H04N19/30 ,  H04N19/58 ,  H04N19/70

摘要： An image coding method includes: writing, into a sequence parameter set, buffer description defining information for defining a plurality of buffer descriptions; selecting one of the buffer descriptions for each processing unit that is a picture or a slice, and writing buffer description selecting information for specifying the selected buffer description, into a first header of the processing unit which is included in the coded bitstream; and coding the processing unit using the selected buffer description, and the buffer description defining information includes long-term information for identifying, among a plurality of reference pictures indicated in the buffer descriptions, a reference picture to be assigned as a long-term reference picture.

公开(公告)号：US09900592B2

公开(公告)日：2018-02-20

申请号：US14239662

申请日：2012-08-24

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

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

IPC分类号： H04N19/00 ,  H04N19/105 ,  H04N19/70 ,  H04N19/174

CPC分类号： H04N19/10 ,  H04N19/105 ,  H04N19/174 ,  H04N19/70

摘要： A method of encoding video including: writing a plurality of predetermined buffer descriptions into a sequence parameter set of a coded video bitstream; writing a plurality of updating parameters into a slice header of the coded video bitstream for selecting and modifying one buffer description out of the plurality of buffer descriptions; and encoding a slice into the coded video bitstream using the slice header and the modified buffer description.

公开(公告)号：US08971406B2

公开(公告)日：2015-03-03

申请号：US13605043

申请日：2012-09-06

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

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

IPC分类号： H04N7/26 ,  H04N19/58 ,  H04N19/70 ,  H04N19/174

CPC分类号： H04N19/50 ,  H04N19/105 ,  H04N19/15 ,  H04N19/172 ,  H04N19/174 ,  H04N19/184 ,  H04N19/30 ,  H04N19/58 ,  H04N19/70

摘要： An image coding method includes: writing, into a sequence parameter set, buffer description defining information for defining a plurality of buffer descriptions; selecting one of the buffer descriptions for each processing unit that is a picture or a slice, and writing buffer description selecting information for specifying the selected buffer description, into a first header of the processing unit which is included in the coded bitstream; and coding the processing unit using the selected buffer description, and the buffer description defining information includes long-term information for identifying, among a plurality of reference pictures indicated in the buffer descriptions, a reference picture to be assigned as a long-term reference picture.

摘要翻译： 图像编码方法包括：向序列参数集写入定义用于定义多个缓冲器描述的信息的缓冲器描述; 选择作为图像或切片的每个处理单元的缓冲器描述之一，以及将用于指定所选择的缓冲器描述的缓冲器描述选择信息写入被包括在编码比特流中的处理单元的第一标题; 以及使用所选择的缓冲器描述对处理单元进行编码，并且缓冲器描述定义信息包括用于在缓冲器描述中指示的多个参考图像之中识别要被分配为长期参考图像的参考图像的长期信息 。