KR20230173135A - 인코딩 및 디코딩 방법 및 관련 기기, 저장 매체 - Google Patents

인코딩 및 디코딩 방법 및 관련 기기, 저장 매체 Download PDF

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Publication number
KR20230173135A
KR20230173135A KR1020237038796A KR20237038796A KR20230173135A KR 20230173135 A KR20230173135 A KR 20230173135A KR 1020237038796 A KR1020237038796 A KR 1020237038796A KR 20237038796 A KR20237038796 A KR 20237038796A KR 20230173135 A KR20230173135 A KR 20230173135A
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attribute
point
neighboring
neighboring points
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English (en)
Korean (ko)
Inventor
휘 유안
루 왕
밍 리
씨아오휘 왕
Original Assignee
광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드
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Publication of KR20230173135A publication Critical patent/KR20230173135A/ko
Withdrawn legal-status Critical Current

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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
    • H04N19/10—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
    • G06T9/001—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
    • 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)
KR1020237038796A 2021-04-16 2021-04-16 인코딩 및 디코딩 방법 및 관련 기기, 저장 매체 Withdrawn KR20230173135A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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

Publications (1)

Publication Number Publication Date
KR20230173135A true KR20230173135A (ko) 2023-12-26

Family

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Family Applications (1)

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KR1020237038796A Withdrawn KR20230173135A (ko) 2021-04-16 2021-04-16 인코딩 및 디코딩 방법 및 관련 기기, 저장 매체

Country Status (6)

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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10861196B2 (en) * 2017-09-14 2020-12-08 Apple Inc. Point cloud compression
US11166048B2 (en) * 2018-10-02 2021-11-02 Tencent America LLC Method and apparatus for video coding
US11010931B2 (en) * 2018-10-02 2021-05-18 Tencent America LLC Method and apparatus for video coding
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
US10979730B2 (en) * 2019-03-20 2021-04-13 Tencent America LLC Techniques and apparatus for interframe point cloud attribute coding
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

Also Published As

Publication number Publication date
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
JP2024513583A (ja) 2024-03-26

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