BR112021025371A2 - Codificação de modo intra croma simplificado em codificação de vídeo - Google Patents

Codificação de modo intra croma simplificado em codificação de vídeo

Info

Publication number
BR112021025371A2
BR112021025371A2 BR112021025371A BR112021025371A BR112021025371A2 BR 112021025371 A2 BR112021025371 A2 BR 112021025371A2 BR 112021025371 A BR112021025371 A BR 112021025371A BR 112021025371 A BR112021025371 A BR 112021025371A BR 112021025371 A2 BR112021025371 A2 BR 112021025371A2
Authority
BR
Brazil
Prior art keywords
encoding
video
decoding
intra chroma
video encoding
Prior art date
Application number
BR112021025371A
Other languages
English (en)
Portuguese (pt)
Inventor
Bappaditya Ray
Van Der Auwera Geert
Marta Karczewicz
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112021025371A2 publication Critical patent/BR112021025371A2/pt

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
    • H04N19/11Selection 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/174Methods 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 slice, e.g. a line of blocks or a group of 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
    • H04N19/169Methods 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
    • H04N19/10Methods 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
    • H04N19/1887Methods 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 variable length codeword
    • 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)
  • Color Television Systems (AREA)
BR112021025371A 2019-06-25 2020-04-23 Codificação de modo intra croma simplificado em codificação de vídeo BR112021025371A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962866445P 2019-06-25 2019-06-25
US201962871548P 2019-07-08 2019-07-08
US16/855,462 US11330298B2 (en) 2019-06-25 2020-04-22 Simplified intra chroma mode coding in video coding
PCT/US2020/029559 WO2020263392A1 (en) 2019-06-25 2020-04-23 Simplified intra chroma mode coding in video coding

Publications (1)

Publication Number Publication Date
BR112021025371A2 true BR112021025371A2 (pt) 2022-02-01

Family

ID=74044841

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021025371A BR112021025371A2 (pt) 2019-06-25 2020-04-23 Codificação de modo intra croma simplificado em codificação de vídeo

Country Status (8)

Country Link
US (1) US11330298B2 (https=)
EP (1) EP3991426A1 (https=)
JP (1) JP7547394B2 (https=)
KR (1) KR20220024122A (https=)
CN (1) CN113994694B (https=)
BR (1) BR112021025371A2 (https=)
TW (1) TWI863986B (https=)
WO (1) WO2020263392A1 (https=)

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KR20220051426A (ko) 2018-10-08 2022-04-26 베이징 다지아 인터넷 인포메이션 테크놀로지 컴퍼니 리미티드 크로스-검포넌트 선형 모델에 대한 간단화
KR20250040743A (ko) 2019-05-31 2025-03-24 바이트댄스 아이엔씨 인트라 블록 복사 예측을 갖는 팔레트 모드
EP3989549B1 (en) * 2019-06-25 2025-03-05 SZ DJI Technology Co., Ltd. Video image processing method and device, and storage medium
GB2585040A (en) * 2019-06-25 2020-12-30 Sony Corp Image data encoding and decoding
CN114072849B (zh) * 2019-06-28 2023-12-15 字节跳动有限公司 屏幕内容编解码中的色度帧内模式推导
WO2020264457A1 (en) 2019-06-28 2020-12-30 Bytedance Inc. Techniques for modifying quantization parameter in transform skip mode
BR112022002006A2 (pt) * 2019-08-06 2022-03-29 Beijing Bytedance Network Tech Co Ltd Método de processamento de vídeo, aparelho de processamento de vídeo, e, mídia legível por computador
JP7309046B2 (ja) 2019-09-02 2023-07-14 北京字節跳動網絡技術有限公司 カラーフォーマットに基づいたビデオ領域のパーティション
JP7332795B2 (ja) 2019-09-21 2023-08-23 北京字節跳動網絡技術有限公司 クロマ・イントラモードのベースとなるサイズ制約
WO2021058593A1 (en) * 2019-09-24 2021-04-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding concept for a sequence of information values
CN115362681B (zh) 2020-04-10 2025-02-25 抖音视界有限公司 视频编解码中的变换跳过块的最小允许量化
US20250071331A1 (en) * 2022-01-21 2025-02-27 Mediatek Inc. Method and Apparatus of Cross-Component Linear Model Prediction in Video Coding System
US20250240437A1 (en) * 2022-04-11 2025-07-24 Hyundai Motor Company Method and apparatus for encoding/decoding image and recording medium for storing bitstream
US20250254332A1 (en) * 2022-04-12 2025-08-07 Lg Electronics Inc. Image encoding/decoding method, method for transmitting bitstream, and recording medium having bitstream stored therein
US12452462B2 (en) * 2022-07-05 2025-10-21 Tencent America LLC Systems and methods including syntax design for multi-symbol arithmetic coding

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KR20110071047A (ko) * 2009-12-20 2011-06-28 엘지전자 주식회사 비디오 신호 디코딩 방법 및 장치
US8942282B2 (en) * 2010-04-12 2015-01-27 Qualcomm Incorporated Variable length coding of coded block pattern (CBP) in video compression
US9654785B2 (en) * 2011-06-09 2017-05-16 Qualcomm Incorporated Enhanced intra-prediction mode signaling for video coding using neighboring mode
US9167269B2 (en) * 2011-10-25 2015-10-20 Qualcomm Incorporated Determining boundary strength values for deblocking filtering for video coding
US8737555B2 (en) * 2011-12-22 2014-05-27 Landis+Gyr Technologies, Llc Digital signal processing for PLC communications having communication frequencies
US9654772B2 (en) * 2012-01-19 2017-05-16 Qualcomm Incorporated Context adaptive entropy coding with a reduced initialization value set
US9264706B2 (en) * 2012-04-11 2016-02-16 Qualcomm Incorporated Bypass bins for reference index coding in video coding
US10178408B2 (en) 2013-07-19 2019-01-08 Nec Corporation Video coding device, video decoding device, video coding method, video decoding method, and program
US10455249B2 (en) * 2015-03-20 2019-10-22 Qualcomm Incorporated Downsampling process for linear model prediction mode
US20170150156A1 (en) * 2015-11-25 2017-05-25 Qualcomm Incorporated Illumination compensation with non-square predictive blocks in video coding
US10390015B2 (en) * 2016-08-26 2019-08-20 Qualcomm Incorporated Unification of parameters derivation procedures for local illumination compensation and cross-component linear model prediction
US10419757B2 (en) * 2016-08-31 2019-09-17 Qualcomm Incorporated Cross-component filter
US10652575B2 (en) * 2016-09-15 2020-05-12 Qualcomm Incorporated Linear model chroma intra prediction for video coding
US11025903B2 (en) * 2017-01-13 2021-06-01 Qualcomm Incorporated Coding video data using derived chroma mode

Also Published As

Publication number Publication date
US20200413092A1 (en) 2020-12-31
WO2020263392A1 (en) 2020-12-30
US11330298B2 (en) 2022-05-10
JP2022539316A (ja) 2022-09-08
EP3991426A1 (en) 2022-05-04
TW202106005A (zh) 2021-02-01
TWI863986B (zh) 2024-12-01
JP7547394B2 (ja) 2024-09-09
CN113994694A (zh) 2022-01-28
CN113994694B (zh) 2024-09-13
KR20220024122A (ko) 2022-03-03

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