公开(公告)号：AU2021298392A1

公开(公告)日：2023-02-02

申请号：AU2021298392

申请日：2021-06-23

Applicant: PANASONIC IP CORP AMERICA

Inventor： IGUCHI NORITAKA ,  SUGIO TOSHIYASU

IPC: G06T9/00

Abstract: This three-dimensional data encoding method comprises generating a plurality of frame data items by encoding point cloud data of a plurality of frames (S12021), and generating a bitstream containing the plurality of frame data items (S12022). Each of a plurality of processing unit data items includes a frame identifier indicating a frame to which the processing unit data belongs and a processing unit identifier indicating a processing unit corresponding to the processing unit data. The values of the plurality of frame identifiers corresponding to the plurality of frame data items arranged in the bitstream are set in a predetermined order. The values of the plurality of processing unit identifiers corresponding to the plurality of processing unit data items arranged in the frame data are set in an arbitrarily defined order.

公开(公告)号：BR112021013402A2

公开(公告)日：2021-09-14

申请号：BR112021013402

申请日：2020-02-05

Applicant: PANASONIC IP CORP AMERICA

Inventor： WANG CHI ,  CHUNG DEAN HAN ,  IGUCHI NORITAKA ,  LASANG PONGSAK ,  SUGIO TOSHIYASU

IPC: G06T9/40

Abstract: método de codificação de dados tridimensionais, método de decodificação de dados tridimensionais, dispositivo de codificação de dados tridimensionais, e dispositivo de decodificação de dados tridimensionais. a presente invenção refere-se a método e dispositivo de codificação/decodificação de dados tridimensionais incluindo: calcular valores de coeficiente das partes de informação de atributo de pontos tridimensionais incluídos nos dados de nuvem de pontos (s7091); quantizar os valores de coeficiente individualmente para gerar valores quantizados (s7092); e gerar um fluxo de bits incluindo os valores quantizados (s7093). cada um dos valores de coeficiente pertence a qualquer uma das camadas. na quantização (s7092), cada um dos valores de coeficiente é quantizado usando um parâmetro de quantização para uma camada à qual o valor de coeficiente pertence entre as camadas, e o fluxo de bits inclui primeira informação e partes de segunda informação, a primeira informação indicando um parâmetro de quantização de referência, as partes de segunda informação sendo para calcular parâmetros de quantização para as camadas do parâmetro de quantização de referência.

公开(公告)号：SG11202102117VA

公开(公告)日：2021-04-29

申请号：SG11202102117V

申请日：2019-09-10

Applicant: PANASONIC IP CORP AMERICA

Inventor： HAN CHUNG DEAN ,  LASANG PONGSAK ,  WANG CHI ,  IGUCHI NORITAKA ,  SUGIO TOSHIYASU

IPC: G06T9/00

Abstract: A three-dimensional data encoding method includes: quantizing geometry information of each of three-dimensional points, using a first quantization parameter (S5391); quantizing a first luminance using a second quantization parameter and quantizing a first chrominance using a third quantization parameter, the first luminance and the first chrominance indicating a first color among attribute information of each of the three-dimensional points (S5392); and generating a bitstream including the geometry information quantized, the first luminance quantized, the first chrominance quantized, the first quantization parameter, the second quantization parameter, and a first difference between the second quantization parameter and the third quantization parameter (S5393).

公开(公告)号：SG11202012326TA

公开(公告)日：2021-01-28

申请号：SG11202012326T

申请日：2019-06-14

Applicant: PANASONIC IP CORP AMERICA

Inventor： SUGIO TOSHIYASU ,  WANG CHI ,  LASANG PONGSAK ,  HAN CHUNG DEAN ,  IGUCHI NORITAKA

IPC: G06T9/40

Abstract: A three-dimensional data encoding method includes: encoding a first flag indicating whether a node having a parent node different from a parent node of a current node is to be referred to in encoding of the current node included in an N-ary tree structure of three-dimensional points included in three-dimensional data, N being an integer greater than or equal to 2 (S3661); selecting a coding table from N coding tables according to occupancy states of neighboring nodes of the current node, and performing arithmetic encoding on information of the current node using the coding table selected, when the first flag indicates that the node is to be referred to (YES in S3662) (S3663); and selecting a coding table from M coding tables according to the occupancy states of the neighboring nodes of the current node, and performing arithmetic encoding on information of the current node using the coding table selected, when the first flag indicates that the node is not to be referred to (NO in S3662), M being an integer different from N (S3664).

公开(公告)号：CA3126760A1

公开(公告)日：2020-08-13

申请号：CA3126760

申请日：2020-02-05

Applicant: PANASONIC IP CORP AMERICA

Inventor： SUGIO TOSHIYASU ,  IGUCHI NORITAKA ,  HAN CHUNG DEAN ,  WANG CHI ,  LASANG PONGSAK

IPC: G06T9/40

Abstract: A three-dimensional data encoding method including calculating a plurality of coefficient values from the plurality of attribute information of a plurality of three-dimensional points included in point group data (S7091), generating a plurality of quantized values by quantizing each of the plurality of coefficient values (S7092), and generating a bit stream that includes the plurality of quantized values (S7093), the plurality of coefficient values belonging to one of a plurality of levels, each of the plurality of coefficient values being quantized in the quantization (S7092) using a quantization parameter for the level to which the coefficient value belongs, the bit stream including first information that indicates a reference quantization parameter and a plurality of second information for calculating a plurality of quantization parameters for a plurality of levels from the reference quantization parameter.

公开(公告)号：CA3122787A1

公开(公告)日：2020-07-02

申请号：CA3122787

申请日：2019-12-26

Applicant: PANASONIC IP CORP AMERICA

Inventor： IGUCHI NORITAKA ,  SUGIO TOSHIYASU

IPC: G06T9/00

Abstract: In this three-dimensional data encoding method: a plurality of attribute information pieces of a corresponding plurality of three-dimensional points (S6701) are encoded using a parameter; and a bit stream including the plurality of encoded attribute information pieces, control information, and a plurality of first attribute control information pieces is generated (S6702). The control information corresponds to the plurality of attribute information pieces, and contains a plurality of type information pieces, each indicating a type of attribute information which differs from the others. Each of the plurality of first attribute control information pieces corresponds to the plurality of attribute information pieces, and each of the plurality of first attribute control information pieces contains first identification information indicating an association with one of the plurality of type information pieces.

公开(公告)号：CA3103454A1

公开(公告)日：2019-12-19

申请号：CA3103454

申请日：2019-06-14

Applicant: PANASONIC IP CORP AMERICA

Inventor： SUGIO TOSHIYASU ,  WANG CHI ,  LASANG PONGSAK ,  HAN CHUNG DEAN ,  IGUCHI NORITAKA

IPC: G06T9/40

Abstract: A three-dimensional data encoding method for encoding a target node included in an N-ary (N is an integer of 2 or more) tree structure of a plurality of three-dimensional points included in three-dimensional data comprises: encoding a first flag indicating whether or not to reference a node, the parent node of which is different from that of the target node (S3661); selecting, when the first flag indicates that the other node is referenced (Yes at S3662), an encoding table from N encoding tables in accordance with an occupied state of the target node in an adjacent node, and arithmetically encoding information on the target node by using the selected encoding table (S3663); and selecting, when the first flag indicates that the other node is not referenced (No at S3662), selecting an encoding table from M encoding tables different from N encoding tables in accordance with the occupied state of the target node in the adjacent node, and arithmetically encoding information on the target node by using the selected encoding table (S3664).

公开(公告)号：EP3041253A4

公开(公告)日：2016-08-17

申请号：EP14841314

申请日：2014-08-22

Applicant: PANASONIC IP CORP AMERICA

Inventor： TOMA TADAMASA ,  IGUCHI NORITAKA ,  NISHI TAKAHIRO ,  KATOU HISAYA

IPC: H04N21/6332 ,  H04H20/93 ,  H04H60/13 ,  H04N21/44 ,  H04N21/462

CPC classification number: H04N21/242 ,  H04H20/18 ,  H04H20/24 ,  H04H20/93 ,  H04H60/13 ,  H04N21/4302 ,  H04N21/4307 ,  H04N21/4622 ,  H04N21/6112 ,  H04N21/6125 ,  H04N21/8547

公开(公告)号：EP3024244A4

公开(公告)日：2016-07-27

申请号：EP14825951

申请日：2014-07-17

Applicant: PANASONIC IP CORP AMERICA

Inventor： TOMA TADAMASA ,  IGUCHI NORITAKA ,  NISHI TAKAHIRO ,  KATOU HISAYA

IPC: H04N21/2368 ,  G10L19/00 ,  H04N21/233 ,  H04N21/262 ,  H04N21/43 ,  H04N21/845 ,  H04N21/854 ,  H04N21/8547

CPC classification number: H04N21/4307 ,  H04N21/233 ,  H04N21/2368 ,  H04N21/26258 ,  H04N21/8456 ,  H04N21/85406 ,  H04N21/8547

Abstract: A transmitting method according to one aspect of the present disclosure includes: transmitting video control information for reproduction of video data having an individually reproducible unit; transmitting the video data; determining a transmission order of audio control information for reproduction of audio data in a reproduction interval corresponding to a reproduction interval of the video data in such a way that the audio control information is transmitted after the video control information, and transmitting the audio control information according to the determined transmission order; and transmitting the audio data. Thus, in the receiving apparatus, a delay time from reception of data to reproduction of video and audio is shortened.

公开(公告)号：EP3013056A4

公开(公告)日：2016-06-01

申请号：EP14813446

申请日：2014-06-16

Applicant: PANASONIC IP CORP AMERICA

Inventor： IGUCHI NORITAKA ,  TOMA TADAMASA ,  NISHI TAKAHIRO ,  KATOU HISAYA

IPC: H04N21/234 ,  H04N19/187 ,  H04N19/30 ,  H04N19/463 ,  H04N21/236 ,  H04N21/238 ,  H04N21/6332 ,  H04N21/854

CPC classification number: H04N21/236 ,  H04N21/6332 ,  H04N21/85406

Abstract: A transmission method for transmitting encoded data obtained by hierarchically encoding a video image, includes: a generating step of generating an encoded stream including a packet which is obtained by packetizing the encoded data and to which at least a different packet ID has been allocated according to a layer level of the encoded data, and information indicating an association relationship between the packet ID and the layer level; and a transmitting step of transmitting the generated encoded stream, and the generated information indicating the association relationship. Thus, there is provided the encoded data transmission method which allows a reception side to easily select encoded data which is hierarchically encoded.