公开(公告)号：EP2884747A1

公开(公告)日：2015-06-17

申请号：EP13827144

申请日：2013-08-07

Applicant: PANASONIC IP CORP AMERICA

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

IPC: H04N19/70 ,  H04N19/13 ,  H04N19/174 ,  H04N19/436 ,  H04N19/91

CPC classification number: H04N19/91 ,  H04N19/13 ,  H04N19/136 ,  H04N19/174 ,  H04N19/436 ,  H04N19/70

Abstract: An image decoding method of decoding, on a per-block basis, a coded image included in a bitstream, includes: performing arithmetic decoding on a current block to be decoded (S101); determining whether or not the current block is at the end of a slice(S103); determining, when it is determined that the current block is not at the end of the slice, whether or not the current block is at the end of a sub-stream which is a structural unit of the image that is different from the slice (S105); and performing arithmetic decoding on a sub-last bit and performing arithmetic decoding termination, when it is determined that the current block is at the end of the sub-stream (S106).

Abstract translation: 一种图像解码方法，以块为单位对包含在比特流中的编码图像进行解码，其特征在于，包括：对解码对象块进行算术解码（S101）的步骤; 确定当前块是否在切片的结尾处（S103）; 当确定当前块不在切片的结尾时，确定当前块是否在作为与切片不同的图像的结构单元的子流的末端处（S105 ）; 并且当确定当前块在子流的末尾时，对子最后一位执行算术解码并且执行算术解码终止（S106）。

公开(公告)号：EP2773112A4

公开(公告)日：2015-04-15

申请号：EP12843874

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: H04N19/51 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52

Abstract: An image coding method includes: deriving a candidate for a motion vector predictor from a neighboring motion vector (S1201); adding the candidate to a list (S1202); selecting a motion vector predictor from the list; coding a current block (S1203); and coding a current motion vector (S1204). In the deriving (S1201), the candidate is derived according to a first derivation scheme when each of a current reference picture and a neighboring reference picture is determined to be a long-term reference picture, and the candidate is derived according to a second derivation scheme when each of a current reference picture and a neighboring reference picture is determined to be a short-term reference picture.

Abstract translation: 图像编码方法包括：从邻近运动矢量导出运动矢量预测器的候选（S1201）; 将候选人添加到列表中（S1202）; 从列表中选择运动矢量预测器; 编码当前块（S1203）; 并编码当前运动矢量（S1204）。 在导出（S1201）中，当将当前参考图像和相邻参考图像中的每一个确定为长期参考图像时，根据第一导出方案导出候选，并且根据第二推导导出候选 当将当前参考图像和相邻参考图像中的每一个确定为短期参考图像时，

公开(公告)号：EP2835971A4

公开(公告)日：2015-04-08

申请号：EP13773076

申请日：2013-04-01

Applicant: PANASONIC IP CORP AMERICA

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

IPC: H04N19/597 ,  H04N13/00 ,  H04N19/33 ,  H04N19/46 ,  H04N19/70

CPC classification number: H04N13/0048 ,  H04N19/33 ,  H04N19/46 ,  H04N19/597 ,  H04N19/70

Abstract: An image encoding method according to an aspect of the present invention includes: generating, from a plurality of first sub-bitstreams which are obtained by encoding a plurality of images on a per layer basis according to spatial scalable image encoding, a second sub-bitstream including two or more first sub-bitstreams corresponding to two or more layers, the two or more first sub-bitstreams being included in the plurality of first sub-bitstreams; and generating a descriptor including a first field indicating a minimum value for two or more layer identifiers indicating the two or more layers and a second field indicating a maximum value for the two or more layer identifiers.

公开(公告)号：EP2741499A4

公开(公告)日：2014-12-10

申请号：EP12819464

申请日：2012-08-02

Applicant: PANASONIC IP CORP AMERICA

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

IPC: H04N19/139 ,  H04N19/105 ,  H04N19/176 ,  H04N19/46 ,  H04N19/52 ,  H04N19/70

CPC classification number: H04N19/52 ,  H04N19/105 ,  H04N19/139 ,  H04N19/172 ,  H04N19/176 ,  H04N19/46 ,  H04N19/513 ,  H04N19/70

Abstract: A moving picture coding method for calculating a motion vector predictor to be used when coding a motion vector of a current block, and coding the current block includes: (S102) obtaining motion vector predictor candidates a fixed number of which is two or more; (S103) selecting the motion vector predictor to be used for coding the motion vector of the current block, from among the motion vector predictor candidates the fixed number of which is two or more; and (S104) coding an index for identifying the selected motion vector predictor according to the fixed number of two or more, wherein the motion vector predictor candidates the fixed number of which is two or more include one or more candidates each having a predetermined second fixed value.

公开(公告)号：EP2728869A4

公开(公告)日：2014-12-03

申请号：EP12804632

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: H04N19/463 ,  H04N19/103 ,  H04N19/13 ,  H04N19/136 ,  H04N19/157 ,  H04N19/176 ,  H04N19/196 ,  H04N19/70 ,  H04N19/91

CPC classification number: H04N19/13 ,  H04N19/103 ,  H04N19/105 ,  H04N19/136 ,  H04N19/139 ,  H04N19/176 ,  H04N19/196 ,  H04N19/583 ,  H04N19/70 ,  H04N19/91

公开(公告)号：EP2725793A4

公开(公告)日：2014-12-03

申请号：EP12803936

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: H04N19/134 ,  H04N19/12 ,  H04N19/13 ,  H04N19/139 ,  H04N19/176 ,  H04N19/463 ,  H04N19/51 ,  H04N19/593 ,  H04N19/70

CPC classification number: H04N19/52 ,  H04N19/105 ,  H04N19/119 ,  H04N19/12 ,  H04N19/122 ,  H04N19/13 ,  H04N19/134 ,  H04N19/139 ,  H04N19/176 ,  H04N19/184 ,  H04N19/196 ,  H04N19/46 ,  H04N19/463 ,  H04N19/583 ,  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 one of "mvd_I0" and "mvd_I1".

公开(公告)号：EP2725791A4

公开(公告)日：2014-12-03

申请号：EP12802462

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: H04N19/463 ,  H04N19/13 ,  H04N19/157 ,  H04N19/176 ,  H04N19/196

CPC classification number: H04N19/157 ,  H04N19/13 ,  H04N19/176 ,  H04N19/197 ,  H04N19/463

公开(公告)号：EP2717573A4

公开(公告)日：2014-10-29

申请号：EP12789922

申请日：2012-05-21

Applicant: PANASONIC IP CORP AMERICA

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

IPC: H04N19/463 ,  H04N19/105 ,  H04N19/176 ,  H04N19/51 ,  H04N19/61 ,  H04N19/65 ,  H04N19/70

CPC classification number: H04N19/521 ,  H04N19/105 ,  H04N19/176 ,  H04N19/463 ,  H04N19/513 ,  H04N19/577 ,  H04N19/61 ,  H04N19/65 ,  H04N19/70

Abstract: An image coding method bitstream includes: determining a maximum number of a merging candidate which is a combination of a prediction direction, a motion vector, and a reference picture index for use in coding of a current block (S201); deriving a first merging candidate (S202); determining whether or not a total number of the first merging candidate is smaller than the maximum number (S204); deriving a second merging candidate when it is determined that the total number of the first merging candidate is smaller than the maximum number (S205); selecting a merging candidate for use in the coding of the current block from the first merging candidate and the second merging candidate (S206); and coding, using the maximum number, an index for identifying the selected merging candidate, and attaching the coded index to the bitstream (S207).

公开(公告)号：EP2811743A4

公开(公告)日：2016-06-01

申请号：EP13743026

申请日：2013-01-29

Applicant: PANASONIC IP CORP AMERICA

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

IPC: H04N19/52 ,  H04N19/107 ,  H04N19/172 ,  H04N19/46 ,  H04N19/70

CPC classification number: H04N19/51 ,  H04N19/00587 ,  H04N19/105 ,  H04N19/107 ,  H04N19/172 ,  H04N19/174 ,  H04N19/184 ,  H04N19/46 ,  H04N19/52 ,  H04N19/70

Abstract: An image coding method includes: selecting a first picture from plural pictures (S141); setting a first temporal motion vector prediction flag which is associated with the first picture and is a temporal motion vector prediction flag indicating whether or not temporal motion vector prediction is to be used, to indicate that the temporal motion vector prediction is not to be used, and coding the first temporal motion vector prediction flag (S142); coding the first picture without using the temporal motion vector prediction (S143); and coding a second picture which follows the first picture in coding order, with referring to a motion vector of a picture preceding the first picture in coding order being prohibited (S144).

公开(公告)号：EP2858356A4

公开(公告)日：2015-08-26

申请号：EP13794340

申请日：2013-04-08

Applicant: PANASONIC IP CORP AMERICA

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

IPC: H04N19/91 ,  H04N19/13

CPC classification number: H04N19/00884 ,  H04N19/117 ,  H04N19/13 ,  H04N19/20 ,  H04N19/70 ,  H04N19/82 ,  H04N19/91

Abstract: The image coding method for coding an input image includes: converting, into a bin string, an offset value used in an offset process to be applied to a pixel value of a reconstructed image corresponding to the input image (S121); and performing bypass arithmetic coding on the bin string using a fixed probability (S126).