JPWO2021002214A1 - - Google Patents

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Publication number
JPWO2021002214A1
JPWO2021002214A1 JP2021529954A JP2021529954A JPWO2021002214A1 JP WO2021002214 A1 JPWO2021002214 A1 JP WO2021002214A1 JP 2021529954 A JP2021529954 A JP 2021529954A JP 2021529954 A JP2021529954 A JP 2021529954A JP WO2021002214 A1 JPWO2021002214 A1 JP WO2021002214A1
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JP
Japan
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JP2021529954A
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Japanese (ja)
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JP7544049B2 (ja
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Publication of JPWO2021002214A1 publication Critical patent/JPWO2021002214A1/ja
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Classifications

    • 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

Landscapes

  • 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)
JP2021529954A 2019-07-02 2020-06-18 情報処理装置および方法 Active JP7544049B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019124027 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

Publications (2)

Publication Number Publication Date
JPWO2021002214A1 true JPWO2021002214A1 (https=) 2021-01-07
JP7544049B2 JP7544049B2 (ja) 2024-09-03

Family

ID=74100499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021529954A Active JP7544049B2 (ja) 2019-07-02 2020-06-18 情報処理装置および方法

Country Status (6)

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

Families Citing this family (3)

* 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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019103009A1 (ja) * 2017-11-22 2019-05-31 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
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

Family Cites Families (8)

* 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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019103009A1 (ja) * 2017-11-22 2019-05-31 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
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
西尾 孝治, 外４名: ""点群データを対象とする情報変換の一手法"", 第６９回（平成１９年）全国大会講演論文集（４） インタフェース コンピュータと人間社会, JPN6020029550, 6 March 2007 (2007-03-06), JP, pages 41 - 42, ISSN: 0005373865 *

Also Published As

Publication number Publication date
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
CN113875248B (zh) 2025-04-25

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