BR112021014272A2 - 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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BR112021014272A2
BR112021014272A2 BR112021014272-0A BR112021014272A BR112021014272A2 BR 112021014272 A2 BR112021014272 A2 BR 112021014272A2 BR 112021014272 A BR112021014272 A BR 112021014272A BR 112021014272 A2 BR112021014272 A2 BR 112021014272A2
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Brazil
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BR112021014272-0A
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English (en)
Portuguese (pt)
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Noritaka Iguchi
Toshiyasu Sugio
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Panasonic Intellectual Property Corporation Of America
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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
    • H04N19/50—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/001—Model-based coding, e.g. wire frame
    • 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/88—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving rearrangement of data among different coding units, e.g. shuffling, interleaving, scrambling or permutation of pixel data or permutation of transform coefficient data among different blocks

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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)
BR112021014272-0A 2019-02-28 2020-02-28 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 BR112021014272A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962811788P 2019-02-28 2019-02-28
US62/811,788 2019-02-28
PCT/JP2020/008542 WO2020175709A1 (ja) 2019-02-28 2020-02-28 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

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BR112021014272A2 true BR112021014272A2 (pt) 2021-09-28

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US (2) US12047603B2 (https=)
EP (1) EP3933775A4 (https=)
JP (3) JP7448518B2 (https=)
KR (1) KR20210131328A (https=)
CN (1) CN113474820A (https=)
BR (1) BR112021014272A2 (https=)
MX (1) MX2021008753A (https=)
WO (1) WO2020175709A1 (https=)

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US11770562B2 (en) * 2020-06-23 2023-09-26 Qualcomm Incorporated High-level syntax for geometry-based point cloud compression
US12412311B2 (en) 2020-10-09 2025-09-09 Qualcomm Incorporated High level syntax refinements for geometry point cloud compression (G-PCC)
JP7780286B2 (ja) * 2021-09-29 2025-12-04 キヤノン株式会社 表示制御装置、表示制御方法、及びプログラム
US12412312B2 (en) * 2021-12-03 2025-09-09 Tencent America LLC Method and apparatus for chart based mesh compression
CN115379190B (zh) * 2022-08-19 2024-04-26 腾讯科技（深圳）有限公司 一种点云处理方法、装置及计算机设备、存储介质
US12444103B2 (en) 2022-10-12 2025-10-14 Here Global B.V. System, method, and apparatus for machine learning-based map generation

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JPH11215496A (ja) * 1998-01-29 1999-08-06 Fujitsu Ltd ３次元データ圧縮装置、３次元データ復元装置および記録媒体
JP2011156108A (ja) * 2010-01-29 2011-08-18 Toshiba Corp 磁気共鳴スペクトロスコピー装置
JP5762637B2 (ja) 2012-07-30 2015-08-12 三菱電機株式会社 地図表示装置
WO2015179695A1 (en) * 2014-05-21 2015-11-26 Smart Multimedia, Inc. Point cloud systems and methods
JP6826368B2 (ja) * 2016-01-14 2021-02-03 キヤノン株式会社 符号化装置及びその制御方法
US11508096B2 (en) * 2017-07-10 2022-11-22 Sony Corporation Information processing apparatus and method
US10805646B2 (en) * 2018-06-22 2020-10-13 Apple Inc. Point cloud geometry compression using octrees and binary arithmetic encoding with adaptive look-up tables
EP3467778A1 (en) * 2017-10-06 2019-04-10 Thomson Licensing A method and apparatus for encoding/decoding the geometry of a point cloud representing a 3d object
EP3493158A1 (en) * 2017-12-04 2019-06-05 Thomson Licensing A method and apparatus for encoding/decoding the geometry of a point cloud representing a 3d object
EP3553746B1 (en) * 2018-04-09 2021-08-25 BlackBerry Limited Methods and devices for predictive coding of point clouds
CN111989713B (zh) * 2018-04-10 2026-01-06 松下电器（美国）知识产权公司 三维数据编码方法、三维数据解码方法、三维数据编码装置、以及三维数据解码装置
US10796458B2 (en) * 2018-04-23 2020-10-06 Qualcomm Incorporated Compression of point clouds via a novel hybrid coder
JP7401454B2 (ja) * 2018-11-13 2023-12-19 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
JP7509694B2 (ja) * 2018-12-28 2024-07-02 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

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US20210377566A1 (en) 2021-12-02
US20240333974A1 (en) 2024-10-03
US12047603B2 (en) 2024-07-23
JP2025181886A (ja) 2025-12-11
JP2024055951A (ja) 2024-04-19
MX2021008753A (es) 2021-08-24
EP3933775A1 (en) 2022-01-05
WO2020175709A1 (ja) 2020-09-03
JP7448518B2 (ja) 2024-03-12
KR20210131328A (ko) 2021-11-02
CN113474820A (zh) 2021-10-01
EP3933775A4 (en) 2022-05-11
JPWO2020175709A1 (https=) 2020-09-03
JP7747800B2 (ja) 2025-10-01

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