公开(公告)号：AU2011250758B2

公开(公告)日：2012-04-05

申请号：AU2011250758

申请日：2011-11-11

Applicant: PANASONIC IP CORP AMERICA

Inventor： LIM CHONG SOON ,  NISHI TAKAHIRO ,  SHIBAHARA YOUJI

IPC: H04M1/00

Abstract: A method of decoding a coded stream obtained by coding a first picture group and a second picture group for each access unit including a picture of the first picture group 5 and a picture of the second picture group that corresponds to the picture of the first picture group, the first picture group and the second picture group being interlaced and captured at different view points, and said method comprising: extracting, from the coded stream, 10 first flag information indicating whether pictures included in the access unit are coded on a per-field basis or on a per-frame basis, and decoding the first flag information; decoding the picture of the second picture group on a per-frame basis by referring to the picture of 15 the first picture group on a per-frame basis, when the first flag information indicates that the pictures included in the access unit are coded on a per-frame basis; extracting, from the coded stream, second flag information indicating whether the pictures included in 20 the access unit are coded as top fields or bottom fields when the first flag information indicates that the pictures included in the access unit are coded on a per field basis, and decoding the second flag information; decoding the picture of the second picture group as a 25 top field by referring to the picture of the first picture group on a per-field basis, when the second flag information indicates that the pictures included in the access unit are coded as top fields; and decoding the picture of the second picture group as a bottom field by 30 referring to the picture of the first picture group on a per-field basis, when the second flag information indicates that the pictures included in the access unit are coded as bottom fields. 2949151_1 (GHMatters) P84360.AU.2 11/11/11 Code view components in access unit Determine reference field-pic-flag value S502 Start processing on each view component in access unit S1 Start processing on each slice in view component S512 Set field_pic flag value in slice header of slice to S514 be equal to reference field pic flag value Field_picflag equal to ""? Ys S55066 SS50 7 S !et 0" !tSetfebottom bfieldjlflag vauei -toireferen bottomfieldflag Next lice of view component s unit available?S5 Nos Net iew componve in acce i av ie 53 o 1 Endoto ildfa vlei

公开(公告)号：AU2013311185A2

公开(公告)日：2015-02-19

申请号：AU2013311185

申请日：2013-08-08

Applicant: PANASONIC IP CORP AMERICA

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

IPC: H04N19/00

Abstract: An image encoding method comprises an encoding step (S911) of encoding coefficient information, a first flag that indicates whether to quantize one or more blocks using a plurality of quantization matrices, a second flag that indicates whether the plurality of quantization matrices are included in a sequence parameter set, and a third flag that indicates whether the plurality of quantization matrices are included in a picture parameter set, and a quantization step (S912) of quantizing a plurality of coefficients. When one or more blocks are to be quantized using a plurality of default matrices, the first flag indicating that one or more blocks are to be quantized using the plurality of quantization matrices, the second flag indicating that the plurality of quantization matrices are not included in the sequence parameter set, and the third flag indicating that the plurality of quantization matrices are not included in the picture parameter set, are encoded in the encoding step.

公开(公告)号：SG11201406829YA

公开(公告)日：2014-11-27

申请号：SG11201406829Y

申请日：2013-04-11

Applicant: PANASONIC IP CORP AMERICA

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

IPC: G06T9/00 ,  H04N19/44 ,  H04N19/70

公开(公告)号：AU2013254214A1

公开(公告)日：2014-11-20

申请号：AU2013254214

申请日：2013-04-11

Applicant: PANASONIC IP CORP AMERICA

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

IPC: H04N19/00

Abstract: This image encoding method encodes at least one unit contained in a picture, and includes: a first flag generating step (S221) for generating a first flag indicating whether or not the times that a virtual decoder reads encoded data from a buffer for storing the encoded data are set in units of the units; a second flat generating step (S222) for, when the times are set in units of the units, generating a second flag indicating whether the intervals between the read times of the plurality of units are fixed or arbitrary; and a bitstream generation step (S223) for generating an encoded bitstream containing the encoded data, the first flag, and the second flag.

公开(公告)号：AU2013254214A2

公开(公告)日：2014-11-13

申请号：AU2013254214

申请日：2013-04-11

Applicant: PANASONIC IP CORP AMERICA

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

IPC: H04N19/00

Abstract: This image encoding method encodes at least one unit contained in a picture, and includes: a first flag generating step (S221) for generating a first flag indicating whether or not the times that a virtual decoder reads encoded data from a buffer for storing the encoded data are set in units of the units; a second flat generating step (S222) for, when the times are set in units of the units, generating a second flag indicating whether the intervals between the read times of the plurality of units are fixed or arbitrary; and a bitstream generation step (S223) for generating an encoded bitstream containing the encoded data, the first flag, and the second flag.

公开(公告)号：ZA201301335B

公开(公告)日：2014-08-27

申请号：ZA201301335

申请日：2013-02-20

Applicant: PANASONIC IP CORP AMERICA

Inventor： SASAI HISAO ,  SHIBAHARA YOUJI ,  WAHADANIAH VIKTOR ,  NAING SUE MON THET ,  NISHI TAKAHIRO ,  LIM CHONG SOON ,  JING XUAN

IPC: H04N20060101

Abstract: An image decoding method which can improve both image quality and coding efficiency is an image decoding method for decoding a coded stream which includes a plurality of processing units and a header for the processing units, the coded stream being generated by coding a moving picture, the processing units including at least one processing unit layered to be split into a plurality of smaller processing units, the image decoding method including specifying a hierarchical layer having a processing unit in which a parameter necessary for decoding is stored, by parsing hierarchy depth information stored in the header (S101), and decoding the processing unit using the parameter stored in the processing unit located at the specified hierarchical layer (S102).

公开(公告)号：MX2014003728A

公开(公告)日：2014-07-09

申请号：MX2014003728

申请日：2012-09-21

Applicant: PANASONIC IP CORP AMERICA

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

IPC: G06T9/40

Abstract: Un método de decodificación de imágenes incluye: dividir un bloque actual en sub-bloques; deducir, para cada sub-bloque, uno o más candidatos de información de predicción; obtener un índice; y decodificar el bloque actual utilizando el candidato de información de predicción seleccionado utilizando el índice obtenido. La deducción incluye: determinar si un bloque adyacente que es colindante con cada bloque está incluido en el bloque actual y cuando no está incluido en el bloque actual, determinar que el bloque adyacente es un bloque de referencia aludible por el sub-bloque y cuando está incluido en el bloque actual, determinar que el bloque adyacente no es el bloque de referencia; y deducir un candidato de información de predicción del sub-bloque a partir de la información de predicción del bloque de referencia; y cuando el número de candidatos de información de predicción es más pequeño que un número predeterminado, generar uno o más candidatos nuevos sin utilizar la información de predicción del bloque de referencia hasta que el número de candidatos de información de predicción alcance el número predeterminado.

公开(公告)号：CA2870989A1

公开(公告)日：2013-10-31

申请号：CA2870989

申请日：2013-04-11

Applicant: PANASONIC IP CORP AMERICA

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

IPC: H04N19/46 ,  H04N19/172 ,  H04N19/44

Abstract: This image encoding method encodes at least one unit contained in a picture, and includes: a first flag generating step (S221) for generating a first flag indicating whether or not the times that a virtual decoder reads encoded data from a buffer for storing the encoded data are set in units of the units; a second flat generating step (S222) for, when the times are set in units of the units, generating a second flag indicating whether the intervals between the read times of the plurality of units are fixed or arbitrary; and a bitstream generation step (S223) for generating an encoded bitstream containing the encoded data, the first flag, and the second flag.

公开(公告)号：EP2665264A4

公开(公告)日：2016-04-27

申请号：EP12733945

申请日：2012-01-12

Applicant: PANASONIC IP CORP AMERICA

Inventor： SASAI HISAO ,  NISHI TAKAHIRO ,  SHIBAHARA YOUJI ,  SUGIO TOSHIYASU

IPC: H03M7/40 ,  H04N19/13 ,  H04N19/176 ,  H04N19/61 ,  H04N19/91

CPC classification number: H04N19/13 ,  H03M7/4018 ,  H04N19/119 ,  H04N19/122 ,  H04N19/124 ,  H04N19/136 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/52 ,  H04N19/61 ,  H04N19/91

Abstract: Provided are an image coding method, an image coding apparatus, an image coding apparatus, an image decoding method, an image decoding apparatus, and image coding and decoding apparatus. The image coding method comprising: obtaining current signals to be coded of each of the processing units of the image data (S401); generating a binary signal by performing binarization on each of the current signals to be coded (S402); selecting a context for each of the current signals to be coded from among a plurality of contexts (S403); performing arithmetic coding of the binary signal by using coded probability information associated with the context selected in the selecting (S404); and updating the coded probability information based on the binary signal (S405), wherein, in the selecting, the context for the current signal to be coded is selected, as a shared context, for a signal which is included in one of a plurality of processing units and has a size different from a size of the processing unit including the current signal to be coded.

公开(公告)号：EP2858354A4

公开(公告)日：2015-04-29

申请号：EP13793080

申请日：2013-05-17

Applicant: PANASONIC IP CORP AMERICA

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

IPC: H04N19/70 ,  H04N19/463 ,  H04N19/82 ,  H04N19/91

CPC classification number: H04N19/132 ,  H04N19/00127 ,  H04N19/105 ,  H04N19/463 ,  H04N19/70 ,  H04N19/82 ,  H04N19/91

Abstract: A moving picture coding method includes: performing context adaptive binary arithmetic coding in which a variable probability value is used, on first information among multiple types of sample adaptive offset (SAO) information used for SAO that is a process of assigning an offset value to a pixel value of a pixel included in an image generated by coding the input image (S11); and continuously performing bypass arithmetic coding in which a fixed probability value is used, on second information and third information among the multiple types of the SAO information (S12), wherein the coded second and third information are placed after the coded first information in the bit stream.