PL4120680T3 - Sposób dekodowania obrazu na podstawie predykcji cclm w systemie kodowania obrazu, oraz urządzenie do jego realizacji - Google Patents

Sposób dekodowania obrazu na podstawie predykcji cclm w systemie kodowania obrazu, oraz urządzenie do jego realizacji

Info

Publication number
PL4120680T3
PL4120680T3 PL22194037.2T PL22194037T PL4120680T3 PL 4120680 T3 PL4120680 T3 PL 4120680T3 PL 22194037 T PL22194037 T PL 22194037T PL 4120680 T3 PL4120680 T3 PL 4120680T3
Authority
PL
Poland
Prior art keywords
image
basis
coding system
device therefor
cclm prediction
Prior art date
Application number
PL22194037.2T
Other languages
English (en)
Inventor
Jangwon CHOI
Jin Heo
Seunghwan Kim
Sunmi YOO
Ling Li
Jungah CHOI
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 PL4120680T3 publication Critical patent/PL4120680T3/pl

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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
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/182—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 pixel
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
    • 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
    • H04N19/70—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)
  • Communication Control (AREA)
PL22194037.2T 2018-11-23 2019-11-11 Sposób dekodowania obrazu na podstawie predykcji cclm w systemie kodowania obrazu, oraz urządzenie do jego realizacji PL4120680T3 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201862770835P 2018-11-23 2018-11-23

Publications (1)

Publication Number Publication Date
PL4120680T3 true PL4120680T3 (pl) 2024-06-24

Family

ID=70773851

Family Applications (2)

Application Number Title Priority Date Filing Date
PL19888153.4T PL3709645T3 (pl) 2018-11-23 2019-11-11 Endowanie i dekodowanie video na podstawie predykcji cclm
PL22194037.2T PL4120680T3 (pl) 2018-11-23 2019-11-11 Sposób dekodowania obrazu na podstawie predykcji cclm w systemie kodowania obrazu, oraz urządzenie do jego realizacji

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PL19888153.4T PL3709645T3 (pl) 2018-11-23 2019-11-11 Endowanie i dekodowanie video na podstawie predykcji cclm

Country Status (14)

Country Link
US (7) US11012699B2 (pl)
EP (2) EP3709645B1 (pl)
JP (3) JP7018139B2 (pl)
KR (3) KR102415322B1 (pl)
CN (3) CN116916016A (pl)
AU (2) AU2019383886B2 (pl)
BR (3) BR112020012022B1 (pl)
CA (2) CA3213928A1 (pl)
ES (2) ES2974493T3 (pl)
HU (2) HUE066437T2 (pl)
MX (2) MX2020005865A (pl)
PL (2) PL3709645T3 (pl)
TW (4) TWI842133B (pl)
WO (1) WO2020105925A1 (pl)

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KR102762371B1 (ko) * 2018-07-18 2025-02-04 한국전자통신연구원 지역 조명 보상을 통한 효과적인 비디오 부호화/복호화 방법 및 장치
US11178396B2 (en) 2018-11-14 2021-11-16 Tencent America LLC Constrained intra prediction and unified most probable mode list generation
EP4598024A3 (en) * 2018-12-25 2025-11-12 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Decoding prediction method and apparatus, and computer storage medium
CN113395520B (zh) * 2019-01-02 2023-05-16 Oppo广东移动通信有限公司 解码预测方法、装置及计算机存储介质
CN114026866B (zh) * 2019-05-03 2025-10-03 交互数字Vc控股公司 用于视频编码和解码的色度处理
WO2020243295A1 (en) 2019-05-31 2020-12-03 Bytedance Inc. Palette mode with intra block copy prediction
EP3973450A4 (en) * 2019-06-28 2023-02-22 ByteDance Inc. Chroma intra mode derivation in screen content coding
KR102612765B1 (ko) 2019-06-28 2023-12-13 바이트댄스 아이엔씨 변환 스킵 모드에서 양자화 파라미터를 수정하는 기술
CN114041288A (zh) * 2019-07-10 2022-02-11 Oppo广东移动通信有限公司 图像分量的预测方法、编码器、解码器以及存储介质
US12190548B2 (en) * 2020-09-23 2025-01-07 Electronics And Telecommunications Research Institute Method, apparatus, system and computer-readable recording medium for feature information
WO2022191553A1 (ko) * 2021-03-08 2022-09-15 현대자동차주식회사 행렬 기반 크로스 컴포넌트 예측을 이용하는 비디오 코딩방법 및 장치
US20250008125A1 (en) * 2021-10-29 2025-01-02 Mediatek Singapore Pte. Ltd. Signaling cross component linear model
US20250080756A1 (en) * 2021-12-21 2025-03-06 Mediatek Inc. Method and Apparatus for Cross Component Linear Model for Inter Prediction in Video Coding System
WO2024080828A1 (ko) * 2022-10-13 2024-04-18 한국전자통신연구원 영상 부호화/복호화를 위한 방법, 장치 및 기록 매체
CN115988206B (zh) * 2023-03-21 2024-03-26 深圳传音控股股份有限公司 图像处理方法、处理设备及存储介质
US12316863B2 (en) * 2023-04-18 2025-05-27 Nvidia Corporation Chroma-from-luma mode selection for high-performance video encoding
WO2025147833A1 (zh) * 2024-01-08 2025-07-17 Oppo广东移动通信有限公司 编解码方法、编码器、解码器以及存储介质

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KR101138392B1 (ko) 2004-12-30 2012-04-26 삼성전자주식회사 색차 성분의 상관관계를 이용한 컬러 영상의 부호화,복호화 방법 및 그 장치
CN103141103B (zh) * 2010-04-09 2016-02-03 Lg电子株式会社 处理视频数据的方法和装置
JP2013034163A (ja) * 2011-06-03 2013-02-14 Sony Corp 画像処理装置及び画像処理方法
US9693070B2 (en) * 2011-06-24 2017-06-27 Texas Instruments Incorporated Luma-based chroma intra-prediction for video coding
SG10201408745YA (en) 2011-06-28 2015-02-27 Samsung Electronics Co Ltd Prediction method and apparatus for chroma component of image using luma component of image
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
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KR20250002761A (ko) * 2018-09-20 2025-01-07 엘지전자 주식회사 영상 코딩 시스템에서 cclm 예측에 기반한 영상 디코딩 방법 및 그 장치
KR102653562B1 (ko) * 2018-11-06 2024-04-02 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 위치에 따른 인트라 예측

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Publication number Publication date
AU2019383886A1 (en) 2020-06-18
KR20230058177A (ko) 2023-05-02
TWI842133B (zh) 2024-05-11
US20230308665A1 (en) 2023-09-28
JP7234425B2 (ja) 2023-03-07
EP3709645A1 (en) 2020-09-16
US11706426B2 (en) 2023-07-18
EP3709645B1 (en) 2022-10-19
AU2021206901B2 (en) 2022-08-04
WO2020105925A1 (ko) 2020-05-28
CN116916016A (zh) 2023-10-20
EP4120680A1 (en) 2023-01-18
TW202027506A (zh) 2020-07-16
KR20220098266A (ko) 2022-07-11
US11412236B2 (en) 2022-08-09
BR112020012022A2 (pt) 2021-06-22
TWI732355B (zh) 2021-07-01
ES2934966T3 (es) 2023-02-28
US11956451B2 (en) 2024-04-09
JP2023054264A (ja) 2023-04-13
JP2022070864A (ja) 2022-05-13
BR112020012022B1 (pt) 2022-12-06
US20250234015A1 (en) 2025-07-17
CN111587574B (zh) 2023-06-16
TW202143720A (zh) 2021-11-16
US20200296391A1 (en) 2020-09-17
HUE066437T2 (hu) 2024-08-28
HUE060910T2 (hu) 2023-04-28
EP3709645A4 (en) 2021-07-14
CA3085391C (en) 2023-10-24
KR102415322B1 (ko) 2022-06-30
PL3709645T3 (pl) 2023-02-20
US20240275992A1 (en) 2024-08-15
CA3213928A1 (en) 2020-05-28
CN111587574A (zh) 2020-08-25
JP7018139B2 (ja) 2022-02-09
BR122021014717B1 (pt) 2022-12-06
US20210176480A1 (en) 2021-06-10
US12219157B2 (en) 2025-02-04
BR122021014718B1 (pt) 2022-12-06
US20250159210A1 (en) 2025-05-15
ES2974493T3 (es) 2024-06-27
AU2019383886B2 (en) 2021-04-29
KR20200074218A (ko) 2020-06-24
KR102637084B1 (ko) 2024-02-15
CA3085391A1 (en) 2020-05-28
KR102524061B1 (ko) 2023-04-21
TW202433930A (zh) 2024-08-16
TW202308385A (zh) 2023-02-16
EP4120680B1 (en) 2024-01-31
JP7421673B2 (ja) 2024-01-24
CN116939201A (zh) 2023-10-24
JP2021510245A (ja) 2021-04-15
US11012699B2 (en) 2021-05-18
TWI784561B (zh) 2022-11-21
MX2020005865A (es) 2020-09-09
AU2021206901A1 (en) 2021-08-12
MX2024002830A (es) 2024-03-19
US20220248036A1 (en) 2022-08-04

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