JP2024513583A - 符号化・復号化方法およびその関連機器、記憶媒体 - Google Patents

符号化・復号化方法およびその関連機器、記憶媒体 Download PDF

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JP2024513583A
JP2024513583A JP2023562955A JP2023562955A JP2024513583A JP 2024513583 A JP2024513583 A JP 2024513583A JP 2023562955 A JP2023562955 A JP 2023562955A JP 2023562955 A JP2023562955 A JP 2023562955A JP 2024513583 A JP2024513583 A JP 2024513583A
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JP2024513583A5 (https=
Inventor
ユアン、ホイ
ワン、ルー
リー、ミン
ワン、シアオホイ
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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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
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/182—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 pixel
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2023562955A 2021-04-16 2021-04-16 符号化・復号化方法およびその関連機器、記憶媒体 Pending JP2024513583A (ja)

Applications Claiming Priority (1)

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PCT/CN2021/087918 WO2022217611A1 (zh) 2021-04-16 2021-04-16 编解码方法及相关设备、存储介质

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JP2024513583A true JP2024513583A (ja) 2024-03-26
JP2024513583A5 JP2024513583A5 (https=) 2024-04-04

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Country Link
US (1) US20240037800A1 (https=)
EP (1) EP4322527A4 (https=)
JP (1) JP2024513583A (https=)
KR (1) KR20230173135A (https=)
CN (1) CN117157973A (https=)
WO (1) WO2022217611A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022170511A1 (zh) * 2021-02-09 2022-08-18 Oppo广东移动通信有限公司 点云解码方法、解码器及计算机存储介质
US20260019628A1 (en) * 2022-07-13 2026-01-15 Lg Electronics Inc. Point cloud data transmission device, point cloud data transmission method, point cloud data reception device, and point cloud data reception method
WO2024216435A1 (zh) * 2023-04-17 2024-10-24 Oppo广东移动通信有限公司 编解码方法及装置、编解码器、码流、设备、存储介质

Citations (4)

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Publication number Priority date Publication date Assignee Title
US20200107048A1 (en) * 2018-10-02 2020-04-02 Tencent America LLC Method and apparatus for video coding
CN110996098A (zh) * 2018-10-02 2020-04-10 腾讯美国有限责任公司 处理点云数据的方法和装置
CN111095929A (zh) * 2017-09-14 2020-05-01 苹果公司 点云压缩
WO2020191260A1 (en) * 2019-03-20 2020-09-24 Tencent America LLC Techniques and apparatus for interframe point cloud attribute coding

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020075862A1 (ja) * 2018-10-12 2020-04-16 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
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
KR102406845B1 (ko) * 2020-04-13 2022-06-10 엘지전자 주식회사 포인트 클라우드 데이터 송신 장치, 포인트 클라우드 데이터 송신 방법, 포인트 클라우드 데이터 수신 장치 및 포인트 클라우드 데이터 수신 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111095929A (zh) * 2017-09-14 2020-05-01 苹果公司 点云压缩
US20200107048A1 (en) * 2018-10-02 2020-04-02 Tencent America LLC Method and apparatus for video coding
CN110996098A (zh) * 2018-10-02 2020-04-10 腾讯美国有限责任公司 处理点云数据的方法和装置
WO2020191260A1 (en) * 2019-03-20 2020-09-24 Tencent America LLC Techniques and apparatus for interframe point cloud attribute coding

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KHALED MAMMOU, ET AL.: "G-PCC codec description v2", INTERNATIONAL ORGANISATION FOR STANDARDISATION ORGANISATION INTERNATIONALE DE NORMALISATION ISO/IEC, vol. ISO/IEC JTC1/SC29/WG11 N18189, JPN6025020138, January 2019 (2019-01-01), pages 1 - 31, ISSN: 0005726157 *

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US20240037800A1 (en) 2024-02-01
EP4322527A1 (en) 2024-02-14
CN117157973A (zh) 2023-12-01
WO2022217611A1 (zh) 2022-10-20
EP4322527A4 (en) 2025-01-22
KR20230173135A (ko) 2023-12-26

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