CN119946277A - 图像解码方法、图像编码方法及比特流发送方法 - Google Patents

图像解码方法、图像编码方法及比特流发送方法 Download PDF

Info

Publication number
CN119946277A
CN119946277A CN202510092436.6A CN202510092436A CN119946277A CN 119946277 A CN119946277 A CN 119946277A CN 202510092436 A CN202510092436 A CN 202510092436A CN 119946277 A CN119946277 A CN 119946277A
Authority
CN
China
Prior art keywords
current block
type
prediction mode
prediction
mode
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
CN202510092436.6A
Other languages
English (en)
Chinese (zh)
Inventor
张炯文
南廷学
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
Publication of CN119946277A publication Critical patent/CN119946277A/zh
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
    • H04N19/10Methods 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
    • 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

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)
CN202510092436.6A 2019-12-31 2020-12-31 图像解码方法、图像编码方法及比特流发送方法 Pending CN119946277A (zh)

Applications Claiming Priority (8)

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
CN202080097605.0A CN115176465B (zh) 2019-12-31 2020-12-31 基于叶节点的重新配置的预测模式类型来执行预测的图像编码/解码方法和设备以及比特流传输方法
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 Parent Applications (1)

Application Number Title Priority Date Filing Date
CN202080097605.0A Division CN115176465B (zh) 2019-12-31 2020-12-31 基于叶节点的重新配置的预测模式类型来执行预测的图像编码/解码方法和设备以及比特流传输方法

Publications (1)

Publication Number Publication Date
CN119946277A true CN119946277A (zh) 2025-05-06

Family

ID=76686671

Family Applications (5)

Application Number Title Priority Date Filing Date
CN202510092438.5A Pending CN119946278A (zh) 2019-12-31 2020-12-31 图像解码设备、图像编码设备及比特流发送设备
CN202510092436.6A Pending CN119946277A (zh) 2019-12-31 2020-12-31 图像解码方法、图像编码方法及比特流发送方法
CN202080097605.0A Active CN115176465B (zh) 2019-12-31 2020-12-31 基于叶节点的重新配置的预测模式类型来执行预测的图像编码/解码方法和设备以及比特流传输方法
CN202510092433.2A Pending CN119946275A (zh) 2019-12-31 2020-12-31 图像解码方法、图像编码方法及比特流发送方法
CN202510092435.1A Pending CN119946276A (zh) 2019-12-31 2020-12-31 图像解码设备、图像编码设备及比特流发送设备

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN202510092438.5A Pending CN119946278A (zh) 2019-12-31 2020-12-31 图像解码设备、图像编码设备及比特流发送设备

Family Applications After (3)

Application Number Title Priority Date Filing Date
CN202080097605.0A Active CN115176465B (zh) 2019-12-31 2020-12-31 基于叶节点的重新配置的预测模式类型来执行预测的图像编码/解码方法和设备以及比特流传输方法
CN202510092433.2A Pending CN119946275A (zh) 2019-12-31 2020-12-31 图像解码方法、图像编码方法及比特流发送方法
CN202510092435.1A Pending CN119946276A (zh) 2019-12-31 2020-12-31 图像解码设备、图像编码设备及比特流发送设备

Country Status (10)

Country Link
US (2) US12113975B2 (enExample)
EP (2) EP4604553A3 (enExample)
JP (2) JP7444998B2 (enExample)
KR (1) KR20220115971A (enExample)
CN (5) CN119946278A (enExample)
AU (2) AU2020416341B2 (enExample)
BR (1) BR112022013083A2 (enExample)
CA (1) CA3166540A1 (enExample)
MX (5) MX2022008084A (enExample)
WO (1) WO2021137577A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11930208B2 (en) * 2020-01-10 2024-03-12 Tencent America LLC Method and apparatus for signaling skip mode flag

Family Cites Families (17)

* 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
RS55261B1 (sr) * 2010-04-23 2017-02-28 M&K Holdings Inc Uređaj za kodiranje slike
ES2976907T3 (es) * 2010-11-25 2024-08-12 Lg Electronics Inc Método de decodificación de vídeo, método de codificación de vídeo, medio de almacenamiento
RU2648605C1 (ru) * 2011-10-17 2018-03-26 Кт Корпорейшен Способ декодирования видеосигнала
CN115134596B (zh) * 2015-06-05 2024-12-31 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
CN116781899A (zh) * 2016-10-28 2023-09-19 韩国电子通信研究院 视频编码/解码方法和设备以及存储比特流的记录介质
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
KR20250154521A (ko) * 2019-01-15 2025-10-28 로즈데일 다이나믹스 엘엘씨 변환 스킵 플래그를 이용한 영상 코딩 방법 및 장치
CN114208188B (zh) * 2019-07-29 2025-09-16 北京字节跳动网络技术有限公司 调色板模式编解码的扫描顺序改进
KR20240040129A (ko) * 2019-09-02 2024-03-27 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 색상 포맷에 기초한 코딩 모드 결정
KR102442653B1 (ko) * 2019-09-07 2022-09-13 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 비디오 코딩에서의 예측 모드 시그널링
US20210092405A1 (en) * 2019-09-19 2021-03-25 Qualcomm Incorporated Matrix combination for matrix-weighted intra prediction in video coding
CN118055248A (zh) * 2019-09-21 2024-05-17 北京字节跳动网络技术有限公司 处理视频数据的方法、装置以及计算机可读记录介质

Also Published As

Publication number Publication date
MX2025012916A (es) 2025-12-01
CN115176465B (zh) 2025-02-18
AU2020416341B2 (en) 2024-03-21
AU2024201463B2 (en) 2025-11-20
EP4604553A2 (en) 2025-08-20
EP4604553A3 (en) 2025-10-29
MX2022008084A (es) 2022-09-19
US20240430422A1 (en) 2024-12-26
CA3166540A1 (en) 2021-07-08
EP4087244A1 (en) 2022-11-09
JP7444998B2 (ja) 2024-03-06
US20230049298A1 (en) 2023-02-16
EP4087244A4 (en) 2024-01-03
MX2025012915A (es) 2025-12-01
AU2020416341A1 (en) 2022-08-25
US12113975B2 (en) 2024-10-08
BR112022013083A2 (pt) 2022-09-06
MX2025012918A (es) 2025-12-01
CN119946276A (zh) 2025-05-06
AU2024201463A1 (en) 2024-03-28
CN119946275A (zh) 2025-05-06
KR20220115971A (ko) 2022-08-19
JP2024045744A (ja) 2024-04-02
WO2021137577A1 (ko) 2021-07-08
EP4087244B1 (en) 2025-11-19
CN119946278A (zh) 2025-05-06
MX2025012917A (es) 2025-12-01
CN115176465A (zh) 2022-10-11
JP2023509053A (ja) 2023-03-06

Similar Documents

Publication Publication Date Title
JP7362786B2 (ja) 単純化されたmpmリスト生成方法を用いる画像符号化/復号化方法、装置、及びビットストリームを伝送する方法
CN114521328B (zh) 使用调色板模式的图像编码/解码方法和装置及发送比特流的方法
US12413715B2 (en) Image encoding/decoding method and device for determining division mode on basis of color format, and method for transmitting bitstream
CN115767087A (zh) 图像编解码方法、发送比特流的方法和记录介质
CN115088261B (zh) 执行pdpc的视频编码/解码方法和设备以及发送比特流的方法
US20240430422A1 (en) Image encoding/decoding method and apparatus for performing prediction on basis of reconfigured prediction mode type of leaf node, and bitstream transmission method
CN120186324A (zh) 图像编码/解码方法和设备,以及用于发送比特流的方法
CN121262383A (en) Image decoding and encoding method and bit stream transmitting method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination