PL4199514T3 - Sposób i urządzenie do dekodowania obrazu na podstawie predykcji cclm w systemie kodowania obrazu - Google Patents

Sposób i urządzenie do dekodowania obrazu na podstawie predykcji cclm w systemie kodowania obrazu

Info

Publication number
PL4199514T3
PL4199514T3 PL23156140.8T PL23156140T PL4199514T3 PL 4199514 T3 PL4199514 T3 PL 4199514T3 PL 23156140 T PL23156140 T PL 23156140T PL 4199514 T3 PL4199514 T3 PL 4199514T3
Authority
PL
Poland
Prior art keywords
basis
coding system
image
cclm prediction
image decoding
Prior art date
Application number
PL23156140.8T
Other languages
English (en)
Inventor
Jangwon CHOI
Seunghwan Kim
Jin Heo
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 PL4199514T3 publication Critical patent/PL4199514T3/pl

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
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/186Methods 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
    • H04N19/46Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/597Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • 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 Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL23156140.8T 2018-09-20 2019-09-20 Sposób i urządzenie do dekodowania obrazu na podstawie predykcji cclm w systemie kodowania obrazu PL4199514T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862734239P 2018-09-20 2018-09-20
US201862737885P 2018-09-27 2018-09-27

Publications (1)

Publication Number Publication Date
PL4199514T3 true PL4199514T3 (pl) 2025-03-03

Family

ID=69888603

Family Applications (2)

Application Number Title Priority Date Filing Date
PL19861699.7T PL3840377T3 (pl) 2018-09-20 2019-09-20 Sposób i urządzenie do dekodowania obrazu na podstawie predykcji cclm w systemie kodowania obrazu
PL23156140.8T PL4199514T3 (pl) 2018-09-20 2019-09-20 Sposób i urządzenie do dekodowania obrazu na podstawie predykcji cclm w systemie kodowania obrazu

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL19861699.7T PL3840377T3 (pl) 2018-09-20 2019-09-20 Sposób i urządzenie do dekodowania obrazu na podstawie predykcji cclm w systemie kodowania obrazu

Country Status (12)

Country Link
US (4) US11290713B1 (pl)
EP (3) EP4199514B1 (pl)
JP (2) JP7227361B2 (pl)
KR (3) KR20250002761A (pl)
CN (3) CN117812255A (pl)
BR (2) BR122022004915B1 (pl)
ES (2) ES2999646T3 (pl)
FI (1) FI3840377T3 (pl)
HR (2) HRP20230564T1 (pl)
HU (2) HUE062478T2 (pl)
PL (2) PL3840377T3 (pl)
WO (1) WO2020060258A1 (pl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020060256A1 (ko) 2018-09-22 2020-03-26 엘지전자 주식회사 영상 코딩 시스템에서 cclm 예측을 사용하는 영상 디코딩 방법 및 그 장치
KR102637084B1 (ko) 2018-11-23 2024-02-15 엘지전자 주식회사 영상 코딩 시스템에서 cclm 예측 기반 영상 디코딩 방법 및 그 장치
CN118741125A (zh) * 2019-05-03 2024-10-01 韩国电子通信研究院 对图像进行编码/解码的方法以及比特流的数据的传输方法
US11601657B2 (en) * 2020-04-02 2023-03-07 Qualcomm Incorporated LUMA mapping with chroma scaling (LMCS) in video coding
US12069243B2 (en) 2020-06-11 2024-08-20 Hyundai Motor Company Video encoding and decoding using luma mapping chroma scaling
CN118541976A (zh) * 2021-09-29 2024-08-23 Lg 电子株式会社 图像编码/解码方法和设备以及具有存储在其上的比特流的记录介质

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013034163A (ja) 2011-06-03 2013-02-14 Sony Corp 画像処理装置及び画像処理方法
JP2013034162A (ja) 2011-06-03 2013-02-14 Sony Corp 画像処理装置及び画像処理方法
EP2805496B1 (en) 2012-01-19 2016-12-21 Huawei Technologies Co., Ltd. Reference pixel reduction for intra lm prediction
CN105474639B (zh) 2013-07-10 2018-08-07 凯迪迪爱通信技术有限公司 视频编码装置、视频解码装置、视频系统、视频编码方法、视频解码方法以及程序
US10455249B2 (en) 2015-03-20 2019-10-22 Qualcomm Incorporated Downsampling process for linear model prediction mode
US10602138B2 (en) * 2015-08-27 2020-03-24 Lg Electronics Inc. Method and device for chroma sample intra prediction in video coding system
CN108028923B (zh) * 2015-09-10 2021-08-20 Lg电子株式会社 视频编码系统中的帧内预测方法和设备
US20170150176A1 (en) 2015-11-25 2017-05-25 Qualcomm Incorporated Linear-model prediction with non-square prediction units in video coding
US10652575B2 (en) * 2016-09-15 2020-05-12 Qualcomm Incorporated Linear model chroma intra prediction for video coding
CN118694925A (zh) 2016-10-04 2024-09-24 Lx 半导体科技有限公司 编码/解码设备和发送图像数据的设备
US10477240B2 (en) * 2016-12-19 2019-11-12 Qualcomm Incorporated Linear model prediction mode with sample accessing for video coding
US11025903B2 (en) * 2017-01-13 2021-06-01 Qualcomm Incorporated Coding video data using derived chroma mode
US10694181B2 (en) * 2017-01-27 2020-06-23 Qualcomm Incorporated Bilateral filters in video coding with reduced complexity
CN116647688A (zh) * 2018-07-12 2023-08-25 华为技术有限公司 视频译码中使用交叉分量线性模型进行帧内预测

Also Published As

Publication number Publication date
CN112806004A (zh) 2021-05-14
EP4199514A1 (en) 2023-06-21
JP7227361B2 (ja) 2023-02-21
CN112806004B (zh) 2024-03-05
JP2023053104A (ja) 2023-04-12
JP7538267B2 (ja) 2024-08-21
EP4482152A3 (en) 2025-03-26
ES2946014T3 (es) 2023-07-11
CN117812255A (zh) 2024-04-02
BR122022004915B1 (pt) 2023-03-21
EP3840377B1 (en) 2023-03-29
HUE069686T2 (hu) 2025-04-28
BR112021005293A2 (pt) 2021-06-22
EP3840377A1 (en) 2021-06-23
EP4482152A2 (en) 2024-12-25
KR102542002B1 (ko) 2023-06-13
PL3840377T3 (pl) 2023-07-31
WO2020060258A1 (ko) 2020-03-26
EP4199514B1 (en) 2024-11-27
ES2999646T3 (en) 2025-02-26
EP4199514C0 (en) 2024-11-27
US11943434B2 (en) 2024-03-26
EP3840377A4 (en) 2021-10-20
FI3840377T3 (fi) 2023-05-26
KR102740494B1 (ko) 2024-12-06
JP2022501911A (ja) 2022-01-06
US12457330B2 (en) 2025-10-28
KR20250002761A (ko) 2025-01-07
HRP20230564T1 (hr) 2023-08-18
HRP20241709T1 (hr) 2025-02-14
US20220174275A1 (en) 2022-06-02
BR122022004891B1 (pt) 2023-03-21
US11290713B1 (en) 2022-03-29
US20260039809A1 (en) 2026-02-05
CN117834862A (zh) 2024-04-05
KR20230088840A (ko) 2023-06-20
HUE062478T2 (hu) 2023-11-28
US20240195956A1 (en) 2024-06-13
KR20210036409A (ko) 2021-04-02

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