BR112020025049A2 - 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 - Google Patents

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 Download PDF

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Publication number
BR112020025049A2
BR112020025049A2 BR112020025049-0A BR112020025049A BR112020025049A2 BR 112020025049 A2 BR112020025049 A2 BR 112020025049A2 BR 112020025049 A BR112020025049 A BR 112020025049A BR 112020025049 A2 BR112020025049 A2 BR 112020025049A2
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BR
Brazil
Prior art keywords
dimensional data
information
coding
dimensional
node
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BR112020025049-0A
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English (en)
Portuguese (pt)
Inventor
Toshiyasu Sugio
Chi Wang
Pongsak Lasang
Chung Dean HAN
Noritaka Iguchi
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Panasonic Intellectual Property Corporation Of America
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Publication of BR112020025049A2 publication Critical patent/BR112020025049A2/pt

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/40—Tree coding, e.g. quadtree, octree
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/184—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being bits, e.g. of the compressed video stream
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
BR112020025049-0A 2018-06-15 2019-06-14 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 BR112020025049A2 (pt)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201862685552P 2018-06-15 2018-06-15
US62/685,552 2018-06-15
US201862689469P 2018-06-25 2018-06-25
US62/689,469 2018-06-25
US201862695399P 2018-07-09 2018-07-09
US62/695,399 2018-07-09
PCT/JP2019/023775 WO2019240285A1 (ja) 2018-06-15 2019-06-14 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置

Publications (1)

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BR112020025049A2 true BR112020025049A2 (pt) 2021-03-23

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BR112020025049-0A BR112020025049A2 (pt) 2018-06-15 2019-06-14 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

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US (3) US11606551B2 (https=)
EP (1) EP3816939A4 (https=)
JP (3) JP7535942B2 (https=)
KR (2) KR102909418B1 (https=)
CN (1) CN112352263A (https=)
AU (2) AU2019285351B2 (https=)
BR (1) BR112020025049A2 (https=)
CA (2) CA3103454A1 (https=)
MX (2) MX2020013424A (https=)
SG (1) SG11202012326TA (https=)
WO (1) WO2019240285A1 (https=)

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BR112020025049A2 (pt) * 2018-06-15 2021-03-23 Panasonic Intellectual Property Corporation Of America 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
KR102909417B1 (ko) * 2018-06-27 2026-01-08 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 삼차원 데이터 부호화 방법, 삼차원 데이터 복호 방법, 삼차원 데이터 부호화 장치, 및 삼차원 데이터 복호 장치
JP7546677B2 (ja) 2020-01-06 2024-09-06 オッポ広東移動通信有限公司 イントラ予測方法、装置、エンコーダ、デコーダ及び記憶媒体
CN111325766B (zh) * 2020-02-20 2023-08-25 腾讯科技（深圳）有限公司 三维边缘检测方法、装置、存储介质和计算机设备
JP7585340B2 (ja) * 2020-03-24 2024-11-18 オッポ広東移動通信有限公司 イントラ予測方法、装置、エンコーダ、デコーダ、及び記憶媒体
WO2021210513A1 (ja) * 2020-04-13 2021-10-21 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置
WO2021242036A1 (ko) * 2020-05-28 2021-12-02 엘지전자 주식회사 포인트 클라우드 데이터 송신 장치, 포인트 클라우드 데이터 송신 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법
US11438628B2 (en) * 2020-06-03 2022-09-06 Tencent America LLC Hash-based accessing of geometry occupancy information for point cloud coding
BR112022026393A2 (pt) * 2020-06-24 2023-01-17 Beijing Xiaomi Mobile Software Co Ltd Método de codificação e decodificação, codificador e decodificador
WO2021258374A1 (en) 2020-06-24 2021-12-30 Beijing Xiaomi Mobile Software Co., Ltd. Method for encoding and decoding a point cloud
US11941856B2 (en) * 2020-08-18 2024-03-26 Tencent America LLC Predictive tree-based geometry coding for a point cloud
CN117178553A (zh) * 2021-04-15 2023-12-05 Lg 电子株式会社 点云数据发送设备、点云数据发送方法、点云数据接收设备和点云数据接收方法
CN115474050B (zh) * 2021-06-11 2026-02-13 维沃移动通信有限公司 熵编码、解码方法及装置
CN113676738B (zh) * 2021-08-19 2024-03-29 上海交通大学 一种三维点云的几何编解码方法及装置
WO2024074123A1 (en) * 2022-10-04 2024-04-11 Douyin Vision Co., Ltd. Method, apparatus, and medium for point cloud coding
CN119071493A (zh) * 2023-05-31 2024-12-03 维沃移动通信有限公司 点云编码处理方法、点云解码处理方法及相关设备

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BR112020025049A2 (pt) * 2018-06-15 2021-03-23 Panasonic Intellectual Property Corporation Of America 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

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US11606551B2 (en) 2023-03-14
SG11202012326TA (en) 2021-01-28
CN112352263A (zh) 2021-02-09
MX2020013424A (es) 2021-03-02
MX2024000598A (es) 2024-01-31
CA3103454A1 (en) 2019-12-19
JP2026015430A (ja) 2026-01-29
KR20210019433A (ko) 2021-02-22
JP7774094B2 (ja) 2025-11-20
US20210099697A1 (en) 2021-04-01
JPWO2019240285A1 (ja) 2021-07-26
AU2019285351B2 (en) 2024-09-19
KR20260013255A (ko) 2026-01-27
JP7535942B2 (ja) 2024-08-19
CA3297505A1 (en) 2026-03-02
EP3816939A4 (en) 2021-06-30
AU2019285351A1 (en) 2021-01-07
AU2024278530A1 (en) 2025-01-09
AU2024278530B2 (en) 2026-04-23
US20240244179A1 (en) 2024-07-18
EP3816939A1 (en) 2021-05-05
WO2019240285A1 (ja) 2019-12-19
JP2024098022A (ja) 2024-07-19
KR102909418B1 (ko) 2026-01-08
US11936846B2 (en) 2024-03-19
US12464112B2 (en) 2025-11-04
US20230188705A1 (en) 2023-06-15

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