CN115917602A - 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
CN115917602A
CN115917602A CN202180044873.0A CN202180044873A CN115917602A CN 115917602 A CN115917602 A CN 115917602A CN 202180044873 A CN202180044873 A CN 202180044873A CN 115917602 A CN115917602 A CN 115917602A
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China
Prior art keywords
data
unit
reference structure
point
encoding
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CN202180044873.0A
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English (en)
Chinese (zh)
Inventor
隈智
安田弘幸
中神央二
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Sony Group Corp
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Sony Group Corp
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    • 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

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  • 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)
CN202180044873.0A 2020-06-30 2021-06-16 信息处理装置和方法 Withdrawn CN115917602A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020112453 2020-06-30
JP2020-112453 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 (1)

Publication Number Publication Date
CN115917602A true CN115917602A (zh) 2023-04-04

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CN202180044873.0A Withdrawn CN115917602A (zh) 2020-06-30 2021-06-16 信息处理装置和方法

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

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* 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

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CN110418135A (zh) * 2019-08-05 2019-11-05 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
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
CN111145090A (zh) * 2019-11-29 2020-05-12 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
CN111247802A (zh) * 2019-01-10 2020-06-05 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

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US5988862A (en) 1996-04-24 1999-11-23 Cyra Technologies, Inc. Integrated system for quickly and accurately imaging and modeling three dimensional objects
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
US11200703B2 (en) * 2017-10-05 2021-12-14 Sony Corporation Information processing device and method
CA3153825A1 (en) * 2019-10-11 2021-04-15 Sebastien Lasserre Methods and devices for tree switching in point cloud compression
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

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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
CN111247802A (zh) * 2019-01-10 2020-06-05 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
CN110418135A (zh) * 2019-08-05 2019-11-05 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
CN111145090A (zh) * 2019-11-29 2020-05-12 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

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KHALED MAMMOU, ET AL: "G-PCC codec description", Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/128_Geneva/ wg11/w18891 .zip w18891 .docx> *
ZHENZHEN GAO, DAVID FLYNN, ALEXIS TOURAPIS, KHALED MAMMOU: "[G-PCC] [New proposal] Predictive Geometry Coding", Retrieved from the Internet <URL:https://mpeg-pcc.org/index.php/public-contributions/g-pccnew-proposal-predictive-geometry-coding/> *

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
JPWO2022004377A1 (https=) 2022-01-06

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