CN113875248B - 信息处理装置和方法 - Google Patents

信息处理装置和方法 Download PDF

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Publication number
CN113875248B
CN113875248B CN202080038761.XA CN202080038761A CN113875248B CN 113875248 B CN113875248 B CN 113875248B CN 202080038761 A CN202080038761 A CN 202080038761A CN 113875248 B CN113875248 B CN 113875248B
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CN113875248A (zh
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隈智
中神央二
矢野幸司
安田弘幸
加藤毅
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Sony Group Corp
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Sony Group Corp
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00Image coding
    • G06T9/40Tree coding, e.g. quadtree, octree
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00Three-dimensional [3D] modelling for computer graphics
    • G06T17/005Tree description, e.g. octree, quadtree
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00Image coding
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00Image coding
    • G06T9/001Model-based coding, e.g. wire frame
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00Image coding
    • G06T9/004Predictors, e.g. intraframe, interframe coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/187Methods 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 a scalable video layer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Graphics (AREA)
  • Geometry (AREA)
  • Software Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
CN202080038761.XA 2019-07-02 2020-06-18 信息处理装置和方法 Active CN113875248B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202510460506.9A CN120186352A (zh) 2019-07-02 2020-06-18 解码装置和解码方法

Applications Claiming Priority (3)

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JP2019-124027 2019-07-02
JP2019124027 2019-07-02
PCT/JP2020/023989 WO2021002214A1 (ja) 2019-07-02 2020-06-18 情報処理装置および方法

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CN113875248A CN113875248A (zh) 2021-12-31
CN113875248B true CN113875248B (zh) 2025-04-25

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CN202510460506.9A Pending CN120186352A (zh) 2019-07-02 2020-06-18 解码装置和解码方法

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US (2) US12190549B2 (https=)
EP (1) EP3996045A4 (https=)
JP (1) JP7544049B2 (https=)
KR (1) KR20220027847A (https=)
CN (2) CN113875248B (https=)
WO (1) WO2021002214A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230102401A1 (en) * 2021-09-30 2023-03-30 Qualcomm Incorporated Inter prediction coding for geometry point cloud compression
US20260024229A1 (en) * 2022-07-15 2026-01-22 Lg Electronics Inc. Point cloud data transmission device, point cloud data transmission method, point cloud data reception device, and point cloud data reception method
CN121259222B (zh) * 2025-12-08 2026-03-24 吉林大学 距骨形状的生成方法与生成装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4386973B2 (ja) * 1996-10-23 2009-12-16 株式会社野村総合研究所 階層的予測モデル構築装置及びその方法
KR100694050B1 (ko) * 2004-06-11 2007-03-12 삼성전자주식회사 움직임 예측 방법 및 그 장치
US10694210B2 (en) * 2016-05-28 2020-06-23 Microsoft Technology Licensing, Llc Scalable point cloud compression with transform, and corresponding decompression
EP3657713B1 (en) 2017-08-08 2023-07-26 Huawei Technologies Co., Ltd. Communication method and device
US10897269B2 (en) * 2017-09-14 2021-01-19 Apple Inc. Hierarchical point cloud compression
US10861196B2 (en) * 2017-09-14 2020-12-08 Apple Inc. Point cloud compression
CN119625089A (zh) 2017-11-22 2025-03-14 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
WO2020013249A1 (ja) * 2018-07-13 2020-01-16 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
EP3926962A4 (en) * 2019-03-16 2022-04-20 LG Electronics Inc. DEVICE AND METHOD FOR PROCESSING POINT CLOUD DATA
WO2020242244A1 (ko) * 2019-05-30 2020-12-03 엘지전자 주식회사 포인트 클라우드 데이터 처리 방법 및 장치

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JPWO2021002214A1 (https=) 2021-01-07
US20250104289A1 (en) 2025-03-27
EP3996045A1 (en) 2022-05-11
US20220245863A1 (en) 2022-08-04
WO2021002214A1 (ja) 2021-01-07
JP7544049B2 (ja) 2024-09-03
CN113875248A (zh) 2021-12-31
EP3996045A4 (en) 2022-08-31
CN120186352A (zh) 2025-06-20
KR20220027847A (ko) 2022-03-08
US12190549B2 (en) 2025-01-07

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