CN119946275A - 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

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Publication number
CN119946275A
CN119946275A CN202510092433.2A CN202510092433A CN119946275A CN 119946275 A CN119946275 A CN 119946275A CN 202510092433 A CN202510092433 A CN 202510092433A CN 119946275 A CN119946275 A CN 119946275A
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current block
type
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prediction
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张炯文
南廷学
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LG Electronics Inc
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LG Electronics Inc
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    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202510092433.2A 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 CN119946275A (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
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
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

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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
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
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
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

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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
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
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

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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=)
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MX (5) MX2022008084A (https=)
PL (1) PL4087244T3 (https=)
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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

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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
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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
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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
CA3166540A1 (en) 2021-07-08
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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