公开(公告)号：EP2773111A4

公开(公告)日：2015-04-15

申请号：EP12842944

申请日：2012-10-18

Applicant: PANASONIC IP CORP AMERICA

Inventor： WAHADANIAH VIKTOR ,  LIM CHONG SOON ,  NAING SUE MON THET ,  SUN HAI WEI ,  SUGIO TOSHIYASU ,  NISHI TAKAHIRO ,  SASAI HISAO ,  SHIBAHARA YOUJI ,  TANIKAWA KYOKO ,  MATSUNOBU TORU ,  TERADA KENGO

IPC: H04N19/52 ,  H04N19/51 ,  H04N19/513 ,  H04N19/58

CPC classification number: H04N19/56 ,  H04N19/172 ,  H04N19/176 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/58 ,  H04N19/61

Abstract: An image coding method includes: deriving a candidate for a motion vector predictor from a co-located motion vector (S1301); adding the candidate to a list (S1302); selecting the motion vector predictor from the list (S1303); and coding a current block and coding a current motion vector (S1304), wherein the deriving (S1301) includes: deriving the candidate by a first derivation scheme in the case of determining that each of a current reference picture and a co-located reference picture is a long-term reference picture; and deriving the candidate by a second derivation scheme in the case of determining that each of the current reference picture and the co-located reference picture is a short-term reference picture.

公开(公告)号：EP2760205A4

公开(公告)日：2015-04-08

申请号：EP12832999

申请日：2012-09-07

Applicant: PANASONIC IP CORP AMERICA

Inventor： WAHADANIAH VIKTOR ,  LIM CHONG SOON ,  NAING SUE MON THET ,  SUN HAI WEI ,  NISHI TAKAHIRO ,  SASAI HISAO ,  SHIBAHARA YOUJI ,  SUGIO TOSHIYASU ,  TANIKAWA KYOKO ,  MATSUNOBU TORU ,  TERADA KENGO

IPC: H04N19/58 ,  H04N19/105 ,  H04N19/115 ,  H04N19/119 ,  H04N19/134 ,  H04N19/136 ,  H04N19/172 ,  H04N19/174 ,  H04N19/42 ,  H04N19/573 ,  H04N19/70

CPC classification number: H04N19/423 ,  H04N19/00484 ,  H04N19/105 ,  H04N19/115 ,  H04N19/119 ,  H04N19/134 ,  H04N19/136 ,  H04N19/172 ,  H04N19/174 ,  H04N19/42 ,  H04N19/44 ,  H04N19/573 ,  H04N19/58 ,  H04N19/70

Abstract: An image coding method according to an aspect of the present invention includes: writing, into a sequence parameter set, buffer description defining information for defining a plurality of buffer descriptions (S102); writing, into the sequence parameter set, reference list description defining information for defining a plurality of reference list descriptions corresponding to the buffer descriptions (S103); and writing, into a first header of each processing unit which is included in a coded bitstream, buffer description selecting information for specifying a selected buffer description (S105).

Abstract translation: 根据本发明的一个方面的图像编码方法包括：向序列参数集中写入定义用于定义多个缓冲器描述的信息的缓冲器描述（S102）; 向所述序列参数集中写入用于定义与所述缓冲器描述相对应的多个参考列表描述的参考列表描述定义信息（S103）; 并将包含在编码比特流中的每个处理单元的第一标题写入用于指定所选择的缓冲器描述的缓冲器描述选择信息（S105）。

公开(公告)号：EP2770734A4

公开(公告)日：2015-04-01

申请号：EP12841179

申请日：2012-09-28

Applicant: PANASONIC IP CORP AMERICA

Inventor： WAHADANIAH VIKTOR ,  LIM CHONG SOON ,  NAING SUE MON THET ,  SUN HAI WEI ,  NISHI TAKAHIRO ,  SASAI HISAO ,  SHIBAHARA YOUJI ,  SUGIO TOSHIYASU ,  TANIKAWA KYOKO ,  MATSUNOBU TORU ,  TERADA KENGO

IPC: H04N19/70 ,  H04N19/433 ,  H04N19/58

CPC classification number: H04N19/58 ,  H04N19/105 ,  H04N19/124 ,  H04N19/15 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/39 ,  H04N19/433 ,  H04N19/61 ,  H04N19/70

Abstract: An image coding method includes: writing, into a coded bitstream, buffer description defining information for defining a buffer description (S101); constructing a default reference list (S102); reordering pictures included in the default reference list (S103); writing, into the coded bitstream, reference list reordering information for indicating details of the reordering (S104); and coding an image using the buffer description and a reference list resulting from the reordering (S105), and in the reference list reordering information, among the pictures, a picture to be reordered is specified using an index which is used in other processing in the image coding method.

Abstract translation: 图像编码方法包括：向编码比特流写入定义用于定义缓冲器描述的信息的缓冲器描述（S101）; 构建默认参考列表（S102）; 重新排序包含在默认参考列表中的图片（S103）; 将编码比特流写入用于指示重新排序的细节的参考列表重排序信息（S104）; 以及使用由重新排序得到的缓冲器描述和参考列表来对图像进行编码（S105），并且在参考列表重新排序信息中，在图像中，使用用于其中的其他处理中的索引来指定要重新排序的图像 图像编码方法。

公开(公告)号：EP2765771A4

公开(公告)日：2015-03-11

申请号：EP12837786

申请日：2012-09-21

Applicant: PANASONIC IP CORP AMERICA

Inventor： SUGIO TOSHIYASU ,  NISHI TAKAHIRO ,  SHIBAHARA YOUJI ,  TANIKAWA KYOKO ,  SASAI HISAO ,  MATSUNOBU TORU ,  TERADA KENGO

IPC: H04N19/52 ,  H04N19/51 ,  H04N19/593 ,  H04N19/96

CPC classification number: H04N19/51 ,  H04N19/107 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/96

公开(公告)号：EP2749027A4

公开(公告)日：2015-01-21

申请号：EP12825464

申请日：2012-08-24

Applicant: PANASONIC IP CORP AMERICA

Inventor： WAHADANIAH VIKTOR ,  LIM CHONG SOON ,  NAING SUE MON THET ,  SUN HAI WEI ,  NISHI TAKAHIRO ,  SASAI HISAO ,  SHIBAHARA YOUJI ,  SUGIO TOSHIYASU ,  TANIKAWA KYOKO ,  MATSUNOBU TORU

IPC: H04N19/70 ,  H04N19/105 ,  H04N19/174

CPC classification number: H04N19/00024 ,  H04N19/105 ,  H04N19/174 ,  H04N19/70

Abstract: 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：EP2736255A4

公开(公告)日：2014-12-17

申请号：EP12815350

申请日：2012-06-28

Applicant: PANASONIC IP CORP AMERICA

Inventor： SASAI HISAO ,  NISHI TAKAHIRO ,  SHIBAHARA YOUJI ,  SUGIO TOSHIYASU ,  TANIKAWA KYOKO ,  MATSUNOBU TORU

IPC: H04N19/00

CPC classification number: H04N19/593 ,  G06T9/004 ,  H04N19/13 ,  H04N19/136 ,  H04N19/184 ,  H04N19/186 ,  H04N19/44 ,  H04N19/91

Abstract: 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 (S801), wherein in the coding (S801), 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.

公开(公告)号：EP2728867A4

公开(公告)日：2014-12-03

申请号：EP12804513

申请日：2012-06-22

Applicant: PANASONIC IP CORP AMERICA

Inventor： SASAI HISAO ,  NISHI TAKAHIRO ,  SHIBAHARA YOUJI ,  SUGIO TOSHIYASU ,  TANIKAWA KYOKO ,  MATSUNOBU TORU

IPC: H04N7/26

CPC classification number: H04N19/134 ,  H04N19/12 ,  H04N19/13 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/186 ,  H04N19/463 ,  H04N19/593 ,  H04N19/70

Abstract: The image decoding method includes: determining a context for use in a current block, from among a plurality of contexts (S204); and performing arithmetic decoding on a bit sequence corresponding to the current block, using the determined context (S210), wherein in the determining (S204): 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 (S206); 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 (S207), and the second type is "no_residual_data_flag".

公开(公告)号：EP2725796A4

公开(公告)日：2014-11-12

申请号：EP12802237

申请日：2012-06-21

Applicant: PANASONIC IP CORP AMERICA

Inventor： SASAI HISAO ,  NISHI TAKAHIRO ,  SHIBAHARA YOUJI ,  SUGIO TOSHIYASU ,  TANIKAWA KYOKO ,  MATSUNOBU TORU

IPC: H03M7/40 ,  H04N19/13 ,  H04N19/169 ,  H04N19/436 ,  H04N19/51 ,  H04N19/70

CPC classification number: H04N19/521 ,  H04N19/00703 ,  H04N19/13 ,  H04N19/17 ,  H04N19/184 ,  H04N19/1887 ,  H04N19/436 ,  H04N19/46 ,  H04N19/52 ,  H04N19/70

Abstract: An image coding method includes (S801) coding a motion vector difference indicating a difference between the motion vector and a predicted motion vector, wherein the coding (S801) includes: coding a first portion that is a part of a first component which is one of a horizontal component and a vertical component of the motion vector difference; coding a second portion that is a part of a second component which is different from the first component and is the other one of the horizontal component and the vertical component; coding a third portion that is a part of the first component and is different from the first portion; coding a fourth portion that is a part of the second component and is different from the second portion; and generating a code string which includes the first portion, the second portion, the third portion, and the fourth portion in the stated order.