CA3166540A1 - Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method - Google Patents

Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method

Info

Publication number
CA3166540A1
CA3166540A1 CA3166540A CA3166540A CA3166540A1 CA 3166540 A1 CA3166540 A1 CA 3166540A1 CA 3166540 A CA3166540 A CA 3166540A CA 3166540 A CA3166540 A CA 3166540A CA 3166540 A1 CA3166540 A1 CA 3166540A1
Authority
CA
Canada
Prior art keywords
current block
prediction mode
type
prediction
block
Prior art date
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.)
Pending
Application number
CA3166540A
Other languages
English (en)
French (fr)
Inventor
Hyeong Moon Jang
Jung Hak Nam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to CA3296461A priority Critical patent/CA3296461A1/en
Publication of CA3166540A1 publication Critical patent/CA3166540A1/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/96Tree coding, e.g. quad-tree coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/11Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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 an image region, e.g. an object
    • H04N19/176Methods 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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/184Methods 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 bits, e.g. of the compressed video stream
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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 colour or a chrominance component
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA3166540A 2019-12-31 2020-12-31 Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method Pending CA3166540A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3296461A CA3296461A1 (en) 2019-12-31 2020-12-31 Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201962956093P 2019-12-31 2019-12-31
US62/956,093 2019-12-31
US202062959943P 2020-01-11 2020-01-11
US62/959,943 2020-01-11
US202062980442P 2020-02-24 2020-02-24
US62/980,442 2020-02-24
PCT/KR2020/019287 WO2021137577A1 (ko) 2019-12-31 2020-12-31 리프 노드의 재설정된 예측 모드 타입에 기반하여 예측을 수행하는 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA3296461A Division CA3296461A1 (en) 2019-12-31 2020-12-31 Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method

Publications (1)

Publication Number Publication Date
CA3166540A1 true CA3166540A1 (en) 2021-07-08

Family

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CA3166540A Pending CA3166540A1 (en) 2019-12-31 2020-12-31 Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method
CA3296461A Pending CA3296461A1 (en) 2019-12-31 2020-12-31 Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method

Family Applications After (1)

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CA3296461A Pending CA3296461A1 (en) 2019-12-31 2020-12-31 Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method

Country Status (18)

Country Link
US (2) US12113975B2 (https=)
EP (2) EP4087244B1 (https=)
JP (2) JP7444998B2 (https=)
KR (1) KR20220115971A (https=)
CN (5) CN119946275A (https=)
AU (3) AU2020416341B2 (https=)
BR (1) BR112022013083A2 (https=)
CA (2) CA3166540A1 (https=)
ES (1) ES3057180T3 (https=)
FI (1) FI4087244T3 (https=)
HR (1) HRP20251583T1 (https=)
LT (1) LT4087244T (https=)
MX (5) MX2022008084A (https=)
PL (1) PL4087244T3 (https=)
PT (1) PT4087244T (https=)
RS (1) RS67538B1 (https=)
SI (1) SI4087244T1 (https=)
WO (1) WO2021137577A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4087244B1 (en) * 2019-12-31 2025-11-19 Lg Electronics Inc. Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method
US11930208B2 (en) * 2020-01-10 2024-03-12 Tencent America LLC Method and apparatus for signaling skip mode flag

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010131903A2 (en) * 2009-05-12 2010-11-18 Lg Electronics Inc. Method and apparatus for processing a video signal
LT2945382T (lt) * 2010-04-23 2017-09-11 M&K Holdings Inc. Aparatas, skirtas vaizdo kodavimui
KR102257335B1 (ko) * 2010-11-25 2021-05-27 엘지전자 주식회사 영상 정보의 시그널링 방법 및 이를 이용한 영상 정보의 복호화 방법
KR101533720B1 (ko) * 2011-10-17 2015-07-03 주식회사 케이티 영상 부호화/복호화 방법 및 그 장치
CN115134594B (zh) * 2015-06-05 2024-07-23 杜比实验室特许公司 用于执行帧间预测的图像编解码方法、比特流存储方法
WO2017222237A1 (ko) * 2016-06-22 2017-12-28 한국전자통신연구원 화면 내 예측 방법 및 장치
US11039130B2 (en) 2016-10-28 2021-06-15 Electronics And Telecommunications Research Institute Video encoding/decoding method and apparatus, and recording medium in which bit stream is stored
JP2020031252A (ja) * 2016-12-22 2020-02-27 シャープ株式会社 画像復号装置及び画像符号化装置
WO2019098464A1 (ko) 2017-11-14 2019-05-23 삼성전자 주식회사 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
KR20190107581A (ko) * 2018-03-12 2019-09-20 한국전자통신연구원 인트라 예측 모드의 유도를 위한 방법 및 장치
US10771781B2 (en) 2018-03-12 2020-09-08 Electronics And Telecommunications Research Institute Method and apparatus for deriving intra prediction mode
BR122021012456B1 (pt) * 2019-01-15 2022-03-22 Lg Electronics Inc Método de decodificação de uma imagem realizado por um aparelho de decodificação, método de codificação de uma imagem realizado por um aparelho de codificação, aparelho de decodificação para decodificação de imagem, aparelho de codificação para codificação de imagem e mídia de armazenamento digital legível por computador não transitória
CN114208174B (zh) * 2019-07-29 2023-11-28 北京字节跳动网络技术有限公司 预测过程中的调色板模式编解码
CN117714683A (zh) * 2019-09-02 2024-03-15 北京字节跳动网络技术有限公司 基于色彩格式的视频区分割
EP4026322A4 (en) * 2019-09-07 2024-01-03 Beijing Dajia Internet Information Technology Co., Ltd. PREDICTION MODE SIGNALING IN VIDEO CODING
US20210092405A1 (en) * 2019-09-19 2021-03-25 Qualcomm Incorporated Matrix combination for matrix-weighted intra prediction in video coding
KR102649584B1 (ko) * 2019-09-21 2024-03-21 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 크로마 인트라 모드에 기초한 크기 제한
WO2021133450A1 (en) * 2019-12-23 2021-07-01 Tencent America LLC Method and apparatus for video coding
EP4087244B1 (en) * 2019-12-31 2025-11-19 Lg Electronics Inc. Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method

Also Published As

Publication number Publication date
ES3057180T3 (en) 2026-02-26
KR20220115971A (ko) 2022-08-19
AU2024201463A1 (en) 2024-03-28
BR112022013083A2 (pt) 2022-09-06
US20240430422A1 (en) 2024-12-26
PT4087244T (pt) 2025-12-19
HRP20251583T1 (hr) 2026-01-30
PL4087244T3 (pl) 2026-02-16
CN119946277A (zh) 2025-05-06
WO2021137577A1 (ko) 2021-07-08
AU2020416341B2 (en) 2024-03-21
EP4604553A2 (en) 2025-08-20
EP4604553A3 (en) 2025-10-29
CN119946278A (zh) 2025-05-06
FI4087244T3 (fi) 2025-12-29
MX2025012918A (es) 2025-12-01
MX2022008084A (es) 2022-09-19
RS67538B1 (sr) 2026-01-30
MX2025012915A (es) 2025-12-01
AU2026201282A1 (en) 2026-03-12
MX2025012916A (es) 2025-12-01
EP4087244A4 (en) 2024-01-03
JP2024045744A (ja) 2024-04-02
JP7444998B2 (ja) 2024-03-06
EP4087244B1 (en) 2025-11-19
US12113975B2 (en) 2024-10-08
EP4087244A1 (en) 2022-11-09
JP7841007B2 (ja) 2026-04-06
LT4087244T (lt) 2026-01-12
MX2025012917A (es) 2025-12-01
CN119946275A (zh) 2025-05-06
AU2020416341A1 (en) 2022-08-25
CN119946276A (zh) 2025-05-06
CN115176465B (zh) 2025-02-18
US20230049298A1 (en) 2023-02-16
SI4087244T1 (sl) 2026-02-27
CN115176465A (zh) 2022-10-11
JP2023509053A (ja) 2023-03-06
AU2024201463B2 (en) 2025-11-20
CA3296461A1 (en) 2026-03-02

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