公开(公告)号：US20080069228A1

公开(公告)日：2008-03-20

申请号：US11979012

申请日：2007-10-30

申请人： Satoshi KONDO ,  Shinya KADONO ,  Makoto HAGAI ,  Kiyofumi ABE

发明人： Satoshi KONDO ,  Shinya KADONO ,  Makoto HAGAI ,  Kiyofumi ABE

IPC分类号： H04B1/66

CPC分类号： H04N19/52 ,  H04N19/105 ,  H04N19/137 ,  H04N19/139 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/50 ,  H04N19/51 ,  H04N19/513 ,  H04N19/517 ,  H04N19/521 ,  H04N19/533 ,  H04N19/537 ,  H04N19/56 ,  H04N19/577 ,  H04N19/593 ,  H04N19/61

摘要： A motion vector coding unit 117 executes processing including a neighboring block specification step (S100) of specifying a neighboring block which is located in the neighborhood of a current block; a judgment step (Steps S102, S104) of judging whether or not the neighboring block has been coded using a motion vector of another block; a prediction step (S106, S108) of deriving a predictive motion vector of the current block using a motion vector calculated from the motion vector of the other block as a motion vector of the neighboring block; and a coding step (S110) of coding the motion vector of the current block using the predictive motion vector.

公开(公告)号：US20110243245A1

公开(公告)日：2011-10-06

申请号：US13159827

申请日：2011-06-14

申请人： Satoshi KONDO ,  Shinya KADONO ,  Makoto HAGAI ,  Kiyofumi ABE

发明人： Satoshi KONDO ,  Shinya KADONO ,  Makoto HAGAI ,  Kiyofumi ABE

IPC分类号： H04N7/30 ,  H04N7/26

CPC分类号： H04N19/129 ,  H03M7/40 ,  H03M7/4006 ,  H04N19/00278 ,  H04N19/13 ,  H04N19/136 ,  H04N19/167 ,  H04N19/176 ,  H04N19/18 ,  H04N19/182 ,  H04N19/196 ,  H04N19/60 ,  H04N19/61

摘要： A variable length coding method is comprised of: a coefficient value scanning step in which an RL sequence generation unit 203, a reordering unit 202, and a binarization unit 203 scan coefficient values within a block in a predetermined scanning order starting at a higher-frequency component toward a lower-frequency component; and an arithmetic coding step in which an arithmetic coding unit 205 and a table storage unit 204 perform arithmetic coding on the absolute values of the coefficient values according to the scanning order used in the coefficient value scanning step, by switching between probability tables 1˜4 for use, wherein, in the arithmetic coding step, a probability table to be used is switched to another probability table in one direction, when the arithmetic-coded absolute values of the coefficient values include an absolute value exceeding a predetermined threshold value.

摘要翻译： 可变长度编码方法包括：系数值扫描步骤，其中RL序列生成单元203，重新排序单元202和二值化单元203以从较高频率开始的预定扫描顺序扫描块内的系数值 分量朝向较低频率分量; 以及算术编码步骤，其中算术编码单元205和表存储单元204通过在概率表1至4之间切换，根据系数值扫描步骤中使用的扫描顺序对系数值的绝对值执行算术编码 其中，在算术编码步骤中，当所述系数值的算术编码绝对值包括超过预定阈值的绝对值时，要使用的概率表在一个方向切换到另一概率表。

公开(公告)号：US20080069216A1

公开(公告)日：2008-03-20

申请号：US11976748

申请日：2007-10-26

申请人： Makoto HAGAI ,  Shinya KADONO ,  Satoshi KONDO ,  Kiyofumi ABE

发明人： Makoto HAGAI ,  Shinya KADONO ,  Satoshi KONDO ,  Kiyofumi ABE

IPC分类号： H04N7/32

CPC分类号： H04N19/573 ,  H04N19/00 ,  H04N19/105 ,  H04N19/107 ,  H04N19/109 ,  H04N19/146 ,  H04N19/15 ,  H04N19/159 ,  H04N19/17 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/182 ,  H04N19/46 ,  H04N19/50 ,  H04N19/503 ,  H04N19/51 ,  H04N19/577 ,  H04N19/58 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

摘要： A moving picture coding apparatus includes a motion estimation unit (101) for performing motion estimation by fixing the one of two reference pictures as a reference picture indicated by an inputted default reference picture number DefRefNo and a variable length coding unit (107) for performing variable length coding on coded residual data ERes, a prediction type PredType, a reference picture number RefNo2 and motion vectors MV1, MV2 on a block-by-block basis, and outputting them as coded moving picture data Str.

公开(公告)号：US20080069215A1

公开(公告)日：2008-03-20

申请号：US11976747

申请日：2007-10-26

申请人： Makoto HAGAI ,  Shinya KADONO ,  Satoshi KONDO ,  Kiyofumi ABE

发明人： Makoto HAGAI ,  Shinya KADONO ,  Satoshi KONDO ,  Kiyofumi ABE

IPC分类号： H04N7/32

CPC分类号： H04N19/573 ,  H04N19/00 ,  H04N19/105 ,  H04N19/107 ,  H04N19/109 ,  H04N19/146 ,  H04N19/15 ,  H04N19/159 ,  H04N19/17 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/182 ,  H04N19/46 ,  H04N19/50 ,  H04N19/503 ,  H04N19/51 ,  H04N19/577 ,  H04N19/58 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

摘要： A moving picture coding apparatus includes a motion estimation unit (101) for performing motion estimation by fixing the one of two reference pictures as a reference picture indicated by an inputted default reference picture number DefRefNo and a variable length coding unit (107) for performing variable length coding on coded residual data ERes, a prediction type PredType, a reference picture number RefNo2 and motion vectors MV1, MV2 on a block-by-block basis, and outputting them as coded moving picture data Str.

摘要翻译： 运动图像编码装置包括：运动估计单元，用于通过将两个参考图像之一固定为由输入的默认参考图像编号DefRefNo指示的参考图像和用于执行变量的可变长度编码单元（107）来执行运动估计; 编码残差数据的长度编码ERes，预测类型PredType，参考图像编号RefNo 2和运动矢量MV 1，MV 2，并将其作为编码运动图像数据Str输出。

公开(公告)号：US20080069214A1

公开(公告)日：2008-03-20

申请号：US11976746

申请日：2007-10-26

申请人： Makoto HAGAI ,  Shinya KADONO ,  Satoshi KONDO ,  Kiyofumi ABE

发明人： Makoto HAGAI ,  Shinya KADONO ,  Satoshi KONDO ,  Kiyofumi ABE

IPC分类号： H04N7/32

CPC分类号： H04N19/573 ,  H04N19/00 ,  H04N19/105 ,  H04N19/107 ,  H04N19/109 ,  H04N19/146 ,  H04N19/15 ,  H04N19/159 ,  H04N19/17 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/182 ,  H04N19/46 ,  H04N19/50 ,  H04N19/503 ,  H04N19/51 ,  H04N19/577 ,  H04N19/58 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

摘要： A moving picture coding apparatus includes a motion estimation unit (101) for performing motion estimation by fixing the one of two reference pictures as a reference picture indicated by an inputted default reference picture number DefRefNo and a variable length coding unit (107) for performing variable length coding on coded residual data ERes, a prediction type PredType, a reference picture number RefNo2 and motion vectors MV1, MV2 on a block-by-block basis, and outputting them as coded moving picture data Str.

摘要翻译： 运动图像编码装置包括：运动估计单元，用于通过将两个参考图像之一固定为由输入的默认参考图像编号DefRefNo表示的参考图像和用于执行变量的可变长度编码单元（107）来执行运动估计; 编码残差数据的长度编码ERes，预测类型PredType，参考图像编号RefNo 2和运动矢量MV 1，MV 2，并将其作为编码运动图像数据Str输出。

公开(公告)号：US20130034308A1

公开(公告)日：2013-02-07

申请号：US13618546

申请日：2012-09-14

申请人： Kiyofumi ABE ,  Shinya KADONO ,  Satoshi KONDO ,  Makoto HAGAI

发明人： Kiyofumi ABE ,  Shinya KADONO ,  Satoshi KONDO ,  Makoto HAGAI

IPC分类号： G06K9/36

CPC分类号： G06T9/004 ,  H04N19/105 ,  H04N19/11 ,  H04N19/13 ,  H04N19/136 ,  H04N19/159 ,  H04N19/176 ,  H04N19/593 ,  H04N19/60 ,  H04N19/61

摘要： The method includes the following units: a coefficient number detecting unit (109) for detecting the number of coefficients which has a value other than 0 for each block according to the generated coefficient, a coefficient number storing unit (110) for storing the number of coefficients detected, a coefficient number coding unit (111) for selecting a table for variable length coding based on the numbers of coefficients in the coded blocks located on the periphery of a current block to be coded with reference to the selected table for variable length coding so as to perform variable length coding for the number of coefficients.

公开(公告)号：US20120250770A1

公开(公告)日：2012-10-04

申请号：US13495318

申请日：2012-06-13

申请人： Makoto HAGAI ,  Shinya Kadono ,  Satoshi Kondo ,  Kiyofumi Abe

发明人： Makoto HAGAI ,  Shinya Kadono ,  Satoshi Kondo ,  Kiyofumi Abe

IPC分类号： H04N7/32

CPC分类号： H04N19/573 ,  H04N19/00 ,  H04N19/105 ,  H04N19/107 ,  H04N19/109 ,  H04N19/146 ,  H04N19/15 ,  H04N19/159 ,  H04N19/17 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/182 ,  H04N19/46 ,  H04N19/50 ,  H04N19/503 ,  H04N19/51 ,  H04N19/577 ,  H04N19/58 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

摘要： A moving picture coding apparatus includes a motion estimation unit (101) for performing motion estimation by fixing the one of two reference pictures as a reference picture indicated by an inputted default reference picture number DefRefNo and a variable length coding unit (107) for performing variable length coding on coded residual data ERes, a prediction type PredType, a reference picture number RefNo2 and motion vectors MV1, MV2 on a block-by-block basis, and outputting them as coded moving picture data Str.

摘要翻译： 运动图像编码装置包括：运动估计单元，用于通过将两个参考图像之一固定为由输入的默认参考图像编号DefRefNo指示的参考图像和用于执行变量的可变长度编码单元（107）来执行运动估计; 对编码残差数据ERes，预测类型PredType，参考图像编号RefNo2和运动矢量MV1，MV2进行长度编码，并将其作为编码运动图像数据Str输出。

公开(公告)号：US20100158485A1

公开(公告)日：2010-06-24

申请号：US12710731

申请日：2010-02-23

申请人： Satoshi KONDO ,  Shinya KADONO ,  Makoto HAGAI ,  Kiyofumi ABE

发明人： Satoshi KONDO ,  Shinya KADONO ,  Makoto HAGAI ,  Kiyofumi ABE

IPC分类号： H04N5/91

CPC分类号： H04N19/129 ,  H03M7/40 ,  H03M7/4006 ,  H04N19/00278 ,  H04N19/13 ,  H04N19/136 ,  H04N19/167 ,  H04N19/176 ,  H04N19/18 ,  H04N19/182 ,  H04N19/196 ,  H04N19/60 ,  H04N19/61

摘要： A variable length coding method is comprised of: a coefficient value scanning step in which an RL sequence generation unit 203, a reordering unit 202, and a binarization unit 203 scan coefficient values within a block in a predetermined scanning order starting at a higher-frequency component toward a lower-frequency component; and an arithmetic coding step in which an arithmetic coding unit 205 and a table storage unit 204 perform arithmetic coding on the absolute values of the coefficient values according to the scanning order used in the coefficient value scanning step, by switching between probability tables 1˜4 for use, wherein, in the arithmetic coding step, a probability table to be used is switched to another probability table in one direction, when the arithmetic-coded absolute values of the coefficient values include an absolute value exceeding a predetermined threshold value.

摘要翻译： 可变长度编码方法包括：系数值扫描步骤，其中RL序列生成单元203，重新排序单元202和二值化单元203以从较高频率开始的预定扫描顺序扫描块内的系数值 分量朝向较低频率分量; 以及算术编码步骤，其中算术编码单元205和表存储单元204通过在概率表1〜4之间切换，根据系数值扫描步骤中使用的扫描顺序对系数值的绝对值进行算术编码 其中，在算术编码步骤中，当所述系数值的算术编码绝对值包括超过预定阈值的绝对值时，要使用的概率表在一个方向切换到另一概率表。

公开(公告)号：US20080069213A1

公开(公告)日：2008-03-20

申请号：US11976745

申请日：2007-10-26

申请人： Makoto HAGAI ,  Shinya KADONO ,  Satoshi KONDO ,  Kiyofumi ABE

发明人： Makoto HAGAI ,  Shinya KADONO ,  Satoshi KONDO ,  Kiyofumi ABE

IPC分类号： H04N7/32 ,  H04N7/12

CPC分类号： H04N19/573 ,  H04N19/00 ,  H04N19/105 ,  H04N19/107 ,  H04N19/109 ,  H04N19/146 ,  H04N19/15 ,  H04N19/159 ,  H04N19/17 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/182 ,  H04N19/46 ,  H04N19/50 ,  H04N19/503 ,  H04N19/51 ,  H04N19/577 ,  H04N19/58 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

摘要： A moving picture coding apparatus includes a motion estimation unit (101) for performing motion estimation by fixing the one of two reference pictures as a reference picture indicated by an inputted default reference picture number DefRefNo and a variable length coding unit (107) for performing variable length coding on coded residual data ERes, a prediction type PredType, a reference picture number RefNo2 and motion vectors MV1, MV2 on a block-by-block basis, and outputting them as coded moving picture data Str.

公开(公告)号：US20120328027A1

公开(公告)日：2012-12-27

申请号：US13603821

申请日：2012-09-05

申请人： Satoshi KONDO ,  Shinya KADONO ,  Makoto HAGAI ,  Kiyofumi ABE

发明人： Satoshi KONDO ,  Shinya KADONO ,  Makoto HAGAI ,  Kiyofumi ABE

IPC分类号： H04N7/30

CPC分类号： H04N19/129 ,  H03M7/40 ,  H03M7/4006 ,  H04N19/00278 ,  H04N19/13 ,  H04N19/136 ,  H04N19/167 ,  H04N19/176 ,  H04N19/18 ,  H04N19/182 ,  H04N19/196 ,  H04N19/60 ,  H04N19/61

摘要： A variable length coding method is comprised of: a coefficient value scanning step in which an RL sequence generation unit 203, a reordering unit 202, and a binarization unit 203 scan coefficient values within a block in a predetermined scanning order starting at a higher-frequency component toward a lower-frequency component; and an arithmetic coding step in which an arithmetic coding unit 205 and a table storage unit 204 perform arithmetic coding on the absolute values of the coefficient values according to the scanning order used in the coefficient value scanning step, by switching between probability tables 1˜4 for use, wherein, in the arithmetic coding step, a probability table to be used is switched to another probability table in one direction, when the arithmetic-coded absolute values of the coefficient values include an absolute value exceeding a predetermined threshold value.

摘要翻译： 可变长度编码方法包括：系数值扫描步骤，其中RL序列生成单元203，重新排序单元202和二值化单元203以从较高频率开始的预定扫描顺序扫描块内的系数值 分量朝向较低频率分量; 以及算术编码步骤，其中算术编码单元205和表存储单元204通过在概率表1〜4之间切换，根据系数值扫描步骤中使用的扫描顺序对系数值的绝对值进行算术编码 其中，在算术编码步骤中，当所述系数值的算术编码绝对值包括超过预定阈值的绝对值时，要使用的概率表在一个方向切换到另一概率表。