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

    • 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
    • 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
    • H04N19/136Incoming video signal characteristics or properties
    • 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
    • H04N19/182Methods 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
    • 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
    • H04N19/59Methods 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Communication Control (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (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
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
PL19888153.4T PL3709645T3 (pl) 2018-11-23 2019-11-11 Endowanie i dekodowanie video na podstawie predykcji cclm

Family Applications After (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 (4) US11012699B2 (pl)
EP (2) EP3709645B1 (pl)
JP (3) JP7018139B2 (pl)
KR (3) KR102524061B1 (pl)
CN (3) CN111587574B (pl)
AU (2) AU2019383886B2 (pl)
BR (3) BR122021014718B1 (pl)
CA (2) CA3085391C (pl)
ES (2) ES2934966T3 (pl)
HU (1) HUE060910T2 (pl)
MX (1) MX2020005865A (pl)
PL (2) PL4120680T3 (pl)
TW (2) TWI732355B (pl)
WO (1) WO2020105925A1 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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US11178396B2 (en) * 2018-11-14 2021-11-16 Tencent America LLC Constrained intra prediction and unified most probable mode list generation
CN116456084A (zh) * 2018-12-25 2023-07-18 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
EP3890323A4 (en) * 2019-01-02 2022-06-08 Guangdong Oppo Mobile Telecommunications Corp., Ltd. PREDICTION DECODING METHOD, DEVICE AND COMPUTER STORAGE MEDIA
US20220092827A1 (en) * 2020-09-23 2022-03-24 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
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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101138392B1 (ko) 2004-12-30 2012-04-26 삼성전자주식회사 색차 성분의 상관관계를 이용한 컬러 영상의 부호화,복호화 방법 및 그 장치
CN105472387B (zh) * 2010-04-09 2018-11-02 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
JP5890520B2 (ja) * 2011-06-28 2016-03-22 サムスン エレクトロニクス カンパニー リミテッド 画像の輝度成分を用いて画像の色差成分を予測する方法及び予測装置
EP2805496B1 (en) 2012-01-19 2016-12-21 Huawei Technologies Co., Ltd. Reference pixel reduction for intra lm prediction
PL2869557T3 (pl) * 2012-06-29 2024-02-19 Electronics And Telecommunications Research Institute Sposób i urządzenie do kodowania/dekodowania obrazów
JP6023332B2 (ja) * 2013-07-10 2016-11-09 Kddi株式会社 動画像符号化装置、動画像復号装置、動画像システム、動画像符号化方法、動画像復号方法、およびプログラム
US9998742B2 (en) * 2015-01-27 2018-06-12 Qualcomm Incorporated Adaptive cross component residual prediction
US10455249B2 (en) * 2015-03-20 2019-10-22 Qualcomm Incorporated Downsampling process for linear model prediction mode
US10652575B2 (en) * 2016-09-15 2020-05-12 Qualcomm Incorporated Linear model chroma intra prediction for video coding
WO2018116925A1 (ja) 2016-12-21 2018-06-28 シャープ株式会社 イントラ予測画像生成装置、画像復号装置、および画像符号化装置
US11025903B2 (en) * 2017-01-13 2021-06-01 Qualcomm Incorporated Coding video data using derived chroma mode
BR122022004891B1 (pt) * 2018-09-20 2023-03-21 Lg Electronics Inc Métodos de decodificação/codificação de imagem realizado por um aparelho de decodificação/codificação, aparelhos de decodificação/codificação para decodificar/codificar imagem, método de transmissão de dados para imagem e meio de armazenamento não transitório legível por computador
KR20210089131A (ko) * 2018-11-06 2021-07-15 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 위치 기반 인트라 예측

Also Published As

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

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