公开(公告)号：US20110129016A1

公开(公告)日：2011-06-02

申请号：US13003431

申请日：2009-07-03

申请人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yusuke Itani ,  Yoshihisa Yamada ,  Yoshiaki Kato ,  Kohtaro Asai ,  Tokumichi Murakami

发明人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yusuke Itani ,  Yoshihisa Yamada ,  Yoshiaki Kato ,  Kohtaro Asai ,  Tokumichi Murakami

IPC分类号： H04N7/26

CPC分类号： H04N19/57 ,  H04N19/109 ,  H04N19/137 ,  H04N19/147 ,  H04N19/186 ,  H04N19/19 ,  H04N19/196 ,  H04N19/197 ,  H04N19/463 ,  H04N19/56 ,  H04N19/61

摘要： Provided are a device and a method for efficiently compressing information by performing improved removal of signal correlations according to statistical and local properties of a video signal in a 4:4:4 format which is to be encoded. The device includes: a prediction unit for determining, for each color component, a motion prediction mode exhibiting a highest efficiency among a plurality of motion prediction modes, and detecting a motion vector corresponding to the determined motion prediction mode, to thereby perform output; and a variable-length encoding unit for determining, when performing arithmetic coding on the motion prediction mode of the each color component, an occurrence probability of a value of the motion prediction mode of the each color component based on a motion prediction mode selected in a spatially-adjacent unit region and a motion prediction mode selected in a temporally-adjacent unit region, to thereby perform the arithmetic coding.

摘要翻译： 提供了一种通过根据将被编码的4：4：4格式的视频信号的统计和局部属性来改进信号相关性的去除来有效地压缩信息的装置和方法。 该装置包括：预测单元，用于为每个颜色分量确定在多个运动预测模式中呈现最高效率的运动预测模式，并且检测与所确定的运动预测模式相对应的运动矢量，从而执行输出; 以及可变长度编码单元，用于当对每个颜色分量的运动预测模式执行算术编码时，基于在每个颜色分量中选择的运动预测模式来确定每个颜色分量的运动预测模式的值的出现概率 空间相邻单元区域和在时间上相邻的单位区域中选择的运动预测模式，从而执行算术编码。

公开(公告)号：US20120093427A1

公开(公告)日：2012-04-19

申请号：US13378943

申请日：2010-05-25

申请人： Yusuke Itani ,  Kazuo Sugimoto ,  Shunichi Sekiguchi ,  Akira Minezawa ,  Yoshimi Moriya ,  Norimichi Hiwasa ,  Shuichi Yamagishi ,  Yoshihisa Yamada ,  Yoshiaki Kato ,  Kohtaro Asai ,  Tokumichi Murakami

发明人： Yusuke Itani ,  Kazuo Sugimoto ,  Shunichi Sekiguchi ,  Akira Minezawa ,  Yoshimi Moriya ,  Norimichi Hiwasa ,  Shuichi Yamagishi ,  Yoshihisa Yamada ,  Yoshiaki Kato ,  Kohtaro Asai ,  Tokumichi Murakami

IPC分类号： G06K9/36

CPC分类号： H04N19/14 ,  H04N19/124 ,  H04N19/159

摘要： A quantizing matrix selecting part 3 for calculating the average and variance of brightness values in a prediction image created by a motion-compensated prediction unit 1, and selecting a quantizing matrix corresponding to the average and variance of brightness values in the prediction image from among a plurality of quantizing matrices which are prepared in advance is disposed, and a quantizing part 6 quantizes orthogonal transformation coefficients outputted from an orthogonal transformation part 5 with reference to the quantizing matrix selected by the quantizing matrix selecting part 3.

摘要翻译： 量化矩阵选择部分3，用于计算由运动补偿预测单元1创建的预测图像中的亮度值的平均值和方差，并且从预测图像中选择与预测图像中的亮度值的平均值和方差相对应的量化矩阵 配置预先准备的多个量化矩阵，量化部6参照由量化矩阵选择部3选择的量化矩阵，量化从正交变换部5输出的正交变换系数。

公开(公告)号：US20120087595A1

公开(公告)日：2012-04-12

申请号：US13378974

申请日：2010-05-25

申请人： Akira Minezawa ,  Shunichi Sekiguchi ,  Kazuo Sugimoto ,  Yusuke Itani ,  Yoshimi Moriya ,  Norimichi Hiwasa ,  Shuichi Yamagishi ,  Yoshihisa Yamada ,  Yoshiaki Kato ,  Kohtaro Asai ,  Tokumichi Murakami

发明人： Akira Minezawa ,  Shunichi Sekiguchi ,  Kazuo Sugimoto ,  Yusuke Itani ,  Yoshimi Moriya ,  Norimichi Hiwasa ,  Shuichi Yamagishi ,  Yoshihisa Yamada ,  Yoshiaki Kato ,  Kohtaro Asai ,  Tokumichi Murakami

IPC分类号： G06K9/36 ,  G06K9/46

CPC分类号： H04N19/117 ,  H04N19/139 ,  H04N19/14 ,  H04N19/147 ,  H04N19/167 ,  H04N19/176 ,  H04N19/196 ,  H04N19/46 ,  H04N19/61 ,  H04N19/82 ,  H04N19/91

摘要： A loop filter 6 includes a region classifying unit 12 for extracting a feature quantity of each of the regions which construct a local decoded image to classify each of the regions into the class to which the region belongs according to the feature quantity, and a filter designing and processing unit 13 for, for each class to which one or more regions, among the regions which construct the local decoded image, belong, generating a Wiener filter which minimizes an error occurring between an inputted image and the local decoded image in each of the one or more regions belonging to the class to compensate for a distortion superimposed onto the one or more regions by using the Wiener filter.

摘要翻译： 环路滤波器6包括区域分类单元12，用于提取构成局部解码图像的每个区域的特征量，以根据特征量将每个区域分类到该区域所属的类别;以及滤波器设计 以及处理单元13，对于构成局部解码图像的区域中的一个或多个区域的每个类属于生成维纳滤波器，该维纳滤波器使输入的图像和本地解码图像中的每个中的局部解码图像之间发生的误差最小化 属于该类别的一个或多个区域，以通过使用维纳滤波器来补偿叠加到一个或多个区域上的失真。

公开(公告)号：US08139875B2

公开(公告)日：2012-03-20

申请号：US11929174

申请日：2007-10-30

申请人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

发明人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

IPC分类号： G06K9/36

CPC分类号： H04N19/517 ,  H04N19/107 ,  H04N19/109 ,  H04N19/11 ,  H04N19/117 ,  H04N19/147 ,  H04N19/176 ,  H04N19/186 ,  H04N19/19 ,  H04N19/436 ,  H04N19/523 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

摘要： An encoding device includes a color component separating unit for separating an input bit stream for the respective color components, a block dividing unit for dividing an input color component signal into blocks to generate a signal of an encoding unit area, a predicted image generating unit for generating a predicted image for the signal, a determining unit for determining a prediction mode used for encoding according to a prediction efficiency of the predicted image, a prediction error encoding unit for encoding a difference between the predicted image corresponding to the prediction mode determined by the determining unit and the input color component signal, and an encoding unit for variable length-coding the prediction mode, an output from the prediction error encoding unit, and a color component identification flag indicating the color component to which the input bit stream belongs as a result of the color component separation.

摘要翻译： 一种编码装置，包括用于分离各个颜色分量的输入比特流的颜色分量分离单元，用于将输入颜色分量信号分割成块以产生编码单位区域的信号的块分割单元，用于 产生用于该信号的预测图像;确定单元，用于根据预测图像的预测效率确定用于编码的预测模式;预测误差编码单元，用于对与由所述预测图像确定的预测模式相对应的预测图像之间的差进行编码; 确定单元和输入颜色分量信号，以及用于对预测模式进行可变长度编码的编码单元，来自预测误差编码单元的输出和指示输入比特流所属的颜色分量的颜色分量识别标志为 颜色成分分离的结果。

公开(公告)号：US20090003717A1

公开(公告)日：2009-01-01

申请号：US11928780

申请日：2007-10-30

申请人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

发明人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

IPC分类号： G06K9/36

CPC分类号： H04N19/517 ,  H04N19/107 ,  H04N19/109 ,  H04N19/11 ,  H04N19/117 ,  H04N19/147 ,  H04N19/176 ,  H04N19/186 ,  H04N19/19 ,  H04N19/436 ,  H04N19/523 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

摘要： An encoding device includes a color component separating unit for separating an input bit stream for the respective color components, a block dividing unit for dividing an input color component signal into blocks to generate a signal of an encoding unit area, a predicted image generating unit for generating a predicted image for the signal, a determining unit for determining a prediction mode used for encoding according to a prediction efficiency of the predicted image, a prediction error encoding unit for encoding a difference between the predicted image corresponding to the prediction mode determined by the determining unit and the input color component signal, and an encoding unit for variable length-coding the prediction mode, an output from the prediction error encoding unit, and a color component identification flag indicating the color component to which the input bit stream belongs as a result of the color component separation.

公开(公告)号：US20090003449A1

公开(公告)日：2009-01-01

申请号：US11929056

申请日：2007-10-30

申请人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

发明人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

IPC分类号： H04N7/26

CPC分类号： H04N19/517 ,  H04N19/107 ,  H04N19/109 ,  H04N19/11 ,  H04N19/117 ,  H04N19/147 ,  H04N19/176 ,  H04N19/186 ,  H04N19/19 ,  H04N19/436 ,  H04N19/523 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

摘要： An encoding device includes a color component separating unit for separating an input bit stream for the respective color components, a block dividing unit for dividing an input color component signal into blocks to generate a signal of an encoding unit area, a predicted image generating unit for generating a predicted image for the signal, a determining unit for determining a prediction mode used for encoding according to a prediction efficiency of the predicted image, a prediction error encoding unit for encoding a difference between the predicted image corresponding to the prediction mode determined by the determining unit and the input color component signal, and an encoding unit for variable length-coding the prediction mode, an output from the prediction error encoding unit, and a color component identification flag indicating the color component to which the input bit stream belongs as a result of the color component separation.

摘要翻译： 一种编码装置，包括用于分离各个颜色分量的输入比特流的颜色分量分离单元，用于将输入颜色分量信号分割成块以产生编码单位区域的信号的块分割单元，用于 产生用于该信号的预测图像;确定单元，用于根据预测图像的预测效率确定用于编码的预测模式;预测误差编码单元，用于对与由所述预测图像确定的预测模式相对应的预测图像之间的差进行编码; 确定单元和输入颜色分量信号，以及用于对预测模式进行可变长度编码的编码单元，来自预测误差编码单元的输出和指示输入比特流所属的颜色分量的颜色分量识别标志为 颜色成分分离的结果。

公开(公告)号：US20090003448A1

公开(公告)日：2009-01-01

申请号：US11928312

申请日：2007-10-30

申请人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

发明人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

IPC分类号： H04N7/26

CPC分类号： H04N19/517 ,  H04N19/107 ,  H04N19/109 ,  H04N19/11 ,  H04N19/117 ,  H04N19/147 ,  H04N19/176 ,  H04N19/186 ,  H04N19/19 ,  H04N19/436 ,  H04N19/523 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

摘要： An encoding device includes a color component separating unit for separating an input bit stream for the respective color components, a block dividing unit for dividing an input color component signal into blocks to generate a signal of an encoding unit area, a predicted image generating unit for generating a predicted image for the signal, a determining unit for determining a prediction mode used for encoding according to a prediction efficiency of the predicted image, a prediction error encoding unit for encoding a difference between the predicted image corresponding to the prediction mode determined by the determining unit and the input color component signal, and an encoding unit for variable length-coding the prediction mode, an output from the prediction error encoding unit, and a color component identification flag indicating the color component to which the input bit stream belongs as a result of the color component separation.

公开(公告)号：US07991237B2

公开(公告)日：2011-08-02

申请号：US11928780

申请日：2007-10-30

申请人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

发明人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

IPC分类号： G06K9/36

CPC分类号： H04N19/517 ,  H04N19/107 ,  H04N19/109 ,  H04N19/11 ,  H04N19/117 ,  H04N19/147 ,  H04N19/176 ,  H04N19/186 ,  H04N19/19 ,  H04N19/436 ,  H04N19/523 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

摘要： An encoding device includes a color component separating unit for separating an input bit stream for the respective color components, a block dividing unit for dividing an input color component signal into blocks to generate a signal of an encoding unit area, a predicted image generating unit for generating a predicted image for the signal, a determining unit for determining a prediction mode used for encoding according to a prediction efficiency of the predicted image, a prediction error encoding unit for encoding a difference between the predicted image corresponding to the prediction mode determined by the determining unit and the input color component signal, and an encoding unit for variable length-coding the prediction mode, an output from the prediction error encoding unit, and a color component identification flag indicating the color component to which the input bit stream belongs as a result of the color component separation.

摘要翻译： 一种编码装置，包括用于分离各个颜色分量的输入比特流的颜色分量分离单元，用于将输入颜色分量信号分割成块以产生编码单位区域的信号的块分割单元，用于 产生用于该信号的预测图像;确定单元，用于根据预测图像的预测效率确定用于编码的预测模式;预测误差编码单元，用于对与由所述预测图像确定的预测模式相对应的预测图像之间的差进行编码; 确定单元和输入颜色分量信号，以及用于对预测模式进行可变长度编码的编码单元，来自预测误差编码单元的输出和指示输入比特流所属的颜色分量的颜色分量识别标志为 颜色成分分离的结果。

公开(公告)号：US20090003716A1

公开(公告)日：2009-01-01

申请号：US11928549

申请日：2007-10-30

申请人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

发明人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

IPC分类号： G06K9/36

CPC分类号： H04N19/517 ,  H04N19/107 ,  H04N19/109 ,  H04N19/11 ,  H04N19/117 ,  H04N19/147 ,  H04N19/176 ,  H04N19/186 ,  H04N19/19 ,  H04N19/436 ,  H04N19/523 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

摘要： An encoding device includes a color component separating unit for separating an input bit stream for the respective color components, a block dividing unit for dividing an input color component signal into blocks to generate a signal of an encoding unit area, a predicted image generating unit for generating a predicted image for the signal, a determining unit for determining a prediction mode used for encoding according to a prediction efficiency of the predicted image, a prediction error encoding unit for encoding a difference between the predicted image corresponding to the prediction mode determined by the determining unit and the input color component signal, and an encoding unit for variable length-coding the prediction mode, an output from the prediction error encoding unit, and a color component identification flag indicating the color component to which the input bit stream belongs as a result of the color component separation.

公开(公告)号：US08422803B2

公开(公告)日：2013-04-16

申请号：US11928312

申请日：2007-10-30

申请人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

发明人： Shunichi Sekiguchi ,  Shuichi Yamagishi ,  Yoshimi Moriya ,  Yoshihisa Yamada ,  Kohtaro Asai ,  Tokumichi Murakami ,  Yuichi Idehara

IPC分类号： G06K9/46

CPC分类号： H04N19/517 ,  H04N19/107 ,  H04N19/109 ,  H04N19/11 ,  H04N19/117 ,  H04N19/147 ,  H04N19/176 ,  H04N19/186 ,  H04N19/19 ,  H04N19/436 ,  H04N19/523 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

摘要： An encoding device includes a color component separating unit for separating an input bit stream for the respective color components, a block dividing unit for dividing an input color component signal into blocks to generate a signal of an encoding unit area, a predicted image generating unit for generating a predicted image for the signal, a determining unit for determining a prediction mode used for encoding according to a prediction efficiency of the predicted image, a prediction error encoding unit for encoding a difference between the predicted image corresponding to the prediction mode determined by the determining unit and the input color component signal, and an encoding unit for variable length-coding the prediction mode, an output from the prediction error encoding unit, and a color component identification flag indicating the color component to which the input bit stream belongs as a result of the color component separation.