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

    • 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
    • H04N19/105—Selection 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
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134—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
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/17—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 an image region, e.g. an object
    • H04N19/176—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 an image region, e.g. an object the region being a block, e.g. a macroblock
    • 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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • 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

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

Family Applications After (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) EP3840377B1 (pl)
JP (2) JP7227361B2 (pl)
KR (3) KR20250002761A (pl)
CN (3) CN112806004B (pl)
BR (2) BR122022004915B1 (pl)
ES (2) ES2946014T3 (pl)
FI (1) FI3840377T3 (pl)
HR (2) HRP20241709T1 (pl)
HU (2) HUE062478T2 (pl)
PL (2) PL4199514T3 (pl)
WO (1) WO2020060258A1 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11463686B2 (en) * 2018-09-22 2022-10-04 Lg Electronics Inc. Method and device for decoding images using CCLM prediction in image coding system
CN111587574B (zh) * 2018-11-23 2023-06-16 Lg电子株式会社 图像编码系统中基于cclm预测对图像解码的方法及其设备
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
CN119743622A (zh) * 2019-11-26 2025-04-01 韩国电子通信研究院 图像编码/解码方法和用于发送压缩视频数据的设备
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
WO2023055151A1 (ko) * 2021-09-29 2023-04-06 엘지전자 주식회사 영상 인코딩/디코딩 방법 및 장치, 그리고 비트스트림을 저장한 기록 매체

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013034162A (ja) 2011-06-03 2013-02-14 Sony Corp 画像処理装置及び画像処理方法
JP2013034163A (ja) 2011-06-03 2013-02-14 Sony Corp 画像処理装置及び画像処理方法
CN109218730B (zh) 2012-01-19 2023-07-28 华为技术有限公司 用于lm帧内预测的参考像素缩减
EP3021578B1 (en) * 2013-07-10 2019-01-02 KDDI Corporation Sub-sampling of reference pixels for chroma prediction based on luma intra prediction mode
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
WO2017043786A1 (ko) * 2015-09-10 2017-03-16 엘지전자 주식회사 비디오 코딩 시스템에서 인트라 예측 방법 및 장치
US10200719B2 (en) * 2015-11-25 2019-02-05 Qualcomm Incorporated Modification of transform coefficients for non-square transform units in video coding
US10652575B2 (en) * 2016-09-15 2020-05-12 Qualcomm Incorporated Linear model chroma intra prediction for video coding
CN109804625B (zh) * 2016-10-04 2024-08-13 Lx半导体科技有限公司 对图像编码/解码的方法和装置及存储比特流的记录介质
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
EP3815370B1 (en) * 2018-07-12 2024-07-31 Huawei Technologies Co., Ltd. Intra-prediction using a cross-component linear model in video coding

Also Published As

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

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