KR20220027847A - 정보 처리 장치 및 방법 - Google Patents

정보 처리 장치 및 방법 Download PDF

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Publication number
KR20220027847A
KR20220027847A KR1020217041116A KR20217041116A KR20220027847A KR 20220027847 A KR20220027847 A KR 20220027847A KR 1020217041116 A KR1020217041116 A KR 1020217041116A KR 20217041116 A KR20217041116 A KR 20217041116A KR 20220027847 A KR20220027847 A KR 20220027847A
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Korean (ko)
Inventor
사토루 구마
오지 나카가미
고지 야노
히로유키 야스다
츠요시 가토
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소니그룹주식회사
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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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three-dimensional [3D] modelling for computer graphics
    • G06T17/005—Tree description, e.g. octree, quadtree
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe 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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/187—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 a scalable video layer
    • 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
    • H04N19/50—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

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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)
KR1020217041116A 2019-07-02 2020-06-18 정보 처리 장치 및 방법 Pending KR20220027847A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2019-124027 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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KR20220027847A true KR20220027847A (ko) 2022-03-08

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Country Status (6)

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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=)

Cited By (1)

* Cited by examiner, † Cited by third party
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WO2024014935A1 (ko) * 2022-07-15 2024-01-18 엘지전자 주식회사 포인트 클라우드 데이터 송신 장치, 포인트 클라우드 데이터 송신 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법

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US20230102401A1 (en) * 2021-09-30 2023-03-30 Qualcomm Incorporated Inter prediction coding for geometry point cloud compression
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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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

Non-Patent Citations (3)

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Title
Khaled Mammou, Alexis Tourapis, Jungsun Kim, Fabrice Robinet, Valery Valentin, Yeping Su, "Lifting Scheme for Lossy Attribute Encoding in TMC1", ISO/IEC JTC1/SC29/WG11 MPEG2018/m42640, April 2018, San Diego, US
Ohji Nakagami, Satoru Kuma, "[G-PCC] Spatial scalability support for G-PCC", ISO/IEC JTC1/SC29/WG11 MPEG2019/m47352, March 2019, Geneva, CH
R. Mekuria, Student Member IEEE, K. Blom, P. Cesar., Member, IEEE, "Design, Implementation and Evaluation of a Point Cloud Codec for Tele-Immersive Video", tcsvt_paper_submitted_february.pdf

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024014935A1 (ko) * 2022-07-15 2024-01-18 엘지전자 주식회사 포인트 클라우드 데이터 송신 장치, 포인트 클라우드 데이터 송신 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법

Also Published As

Publication number Publication date
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
US12190549B2 (en) 2025-01-07
CN113875248B (zh) 2025-04-25

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