JPWO2022004377A1 - - Google Patents

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Publication number
JPWO2022004377A1
JPWO2022004377A1 JP2022533829A JP2022533829A JPWO2022004377A1 JP WO2022004377 A1 JPWO2022004377 A1 JP WO2022004377A1 JP 2022533829 A JP2022533829 A JP 2022533829A JP 2022533829 A JP2022533829 A JP 2022533829A JP WO2022004377 A1 JPWO2022004377 A1 JP WO2022004377A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
JP2022533829A
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Japanese (ja)
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JP7639819B2 (ja
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Publication of JPWO2022004377A1 publication Critical patent/JPWO2022004377A1/ja
Application granted granted Critical
Publication of JP7639819B2 publication Critical patent/JP7639819B2/ja
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Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
    • G06V10/761—Proximity, similarity or dissimilarity measures
    • 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
    • H04N19/187—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • 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
    • 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
    • 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
    • H04N19/124—Quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • Databases & Information Systems (AREA)
  • Evolutionary Computation (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Software Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022533829A 2020-06-30 2021-06-16 情報処理装置および方法 Active JP7639819B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020112453 2020-06-30
JP2020112453 2020-06-30
PCT/JP2021/022800 WO2022004377A1 (ja) 2020-06-30 2021-06-16 情報処理装置および方法

Publications (2)

Publication Number Publication Date
JPWO2022004377A1 true JPWO2022004377A1 (https=) 2022-01-06
JP7639819B2 JP7639819B2 (ja) 2025-03-05

Family

ID=79316114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022533829A Active JP7639819B2 (ja) 2020-06-30 2021-06-16 情報処理装置および方法

Country Status (5)

Country Link
US (1) US20230316582A1 (https=)
EP (1) EP4174780A4 (https=)
JP (1) JP7639819B2 (https=)
CN (1) CN115917602A (https=)
WO (1) WO2022004377A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4261785A1 (en) * 2020-12-22 2023-10-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Point cloud encoding method and decoding method, and encoder and decoder
US20230102401A1 (en) * 2021-09-30 2023-03-30 Qualcomm Incorporated Inter prediction coding for geometry point cloud compression
WO2024171797A1 (ja) * 2023-02-17 2024-08-22 ソニーグループ株式会社 情報処理装置および方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000509150A (ja) * 1996-04-24 2000-07-18 サイラ・テクノロジーズ・インク 三次元目的物をイメージ化しかつモデル化するための統合装置
WO2019069711A1 (ja) * 2017-10-05 2019-04-11 ソニー株式会社 情報処理装置および方法
WO2019240286A1 (ja) * 2018-06-15 2019-12-19 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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6577310B1 (en) * 1998-12-01 2003-06-10 Samsung Electronics Co., Ltd. 3D mesh coding/decoding method and apparatus for error resilience and incremental rendering
WO2020143007A1 (zh) * 2019-01-10 2020-07-16 深圳市大疆创新科技有限公司 用于三维数据点集处理的方法和设备
CN110418135B (zh) * 2019-08-05 2022-05-27 北京大学深圳研究生院 一种基于邻居的权重优化的点云帧内预测方法及设备
CA3153825A1 (en) * 2019-10-11 2021-04-15 Sebastien Lasserre Methods and devices for tree switching in point cloud compression
CN111145090B (zh) * 2019-11-29 2023-04-25 鹏城实验室 一种点云属性编码方法、解码方法、编码设备及解码设备
WO2021182937A1 (ko) * 2020-03-11 2021-09-16 엘지전자 주식회사 포인트 클라우드 데이터 송신 장치, 포인트 클라우드 데이터 송신 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법
WO2021187561A1 (ja) * 2020-03-19 2021-09-23 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000509150A (ja) * 1996-04-24 2000-07-18 サイラ・テクノロジーズ・インク 三次元目的物をイメージ化しかつモデル化するための統合装置
WO2019069711A1 (ja) * 2017-10-05 2019-04-11 ソニー株式会社 情報処理装置および方法
WO2019240286A1 (ja) * 2018-06-15 2019-12-19 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

Also Published As

Publication number Publication date
EP4174780A4 (en) 2024-02-07
EP4174780A1 (en) 2023-05-03
WO2022004377A1 (ja) 2022-01-06
US20230316582A1 (en) 2023-10-05
JP7639819B2 (ja) 2025-03-05
CN115917602A (zh) 2023-04-04

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