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

    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/10—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
    • H04N19/1887—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 variable length codeword
    • 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)
  • 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 (enExample)
EP (1) EP3991426A1 (enExample)
JP (1) JP7547394B2 (enExample)
KR (1) KR20220024122A (enExample)
CN (1) CN113994694B (enExample)
BR (1) BR112021025371A2 (enExample)
TW (1) TWI863986B (enExample)
WO (1) WO2020263392A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112889291A (zh) 2018-10-08 2021-06-01 北京达佳互联信息技术有限公司 对跨分量线性模型的简化
CN113906758B (zh) 2019-05-31 2025-06-20 字节跳动有限公司 调色板模式与帧内块复制预测
GB2585040A (en) * 2019-06-25 2020-12-30 Sony Corp Image data encoding and decoding
CN114827609B (zh) * 2019-06-25 2023-09-12 北京大学 视频图像编码和解码方法、设备及介质
KR102612765B1 (ko) 2019-06-28 2023-12-13 바이트댄스 아이엔씨 변환 스킵 모드에서 양자화 파라미터를 수정하는 기술
JP7328373B2 (ja) * 2019-06-28 2023-08-16 バイトダンス インコーポレイテッド スクリーンコンテンツ符号化におけるクロマイントラモードの導出
WO2021023262A1 (en) * 2019-08-06 2021-02-11 Beijing Bytedance Network Technology Co., Ltd. Using screen content coding tool for video encoding and decoding
CN117714683A (zh) 2019-09-02 2024-03-15 北京字节跳动网络技术有限公司 基于色彩格式的视频区分割
KR102649584B1 (ko) 2019-09-21 2024-03-21 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 크로마 인트라 모드에 기초한 크기 제한
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
BR112022020449A2 (pt) 2020-04-10 2022-11-29 Beijing Bytedance Network Tech Co Ltd Método e aparelho para processar dados de vídeo, e, meios de armazenamento e de gravação legíveis por computador não transitórios
WO2023138628A1 (en) * 2022-01-21 2023-07-27 Mediatek Inc. Method and apparatus of cross-component linear model prediction in video coding system
WO2023200206A1 (ko) * 2022-04-11 2023-10-19 현대자동차주식회사 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
EP4510568A4 (en) * 2022-04-12 2026-04-29 Lg Electronics Inc IMAGE ENCODING/DECODING METHOD, BINARY STREAM TRANSMISSION METHOD, AND RECORDING MEDIUM ON WHICH A BINARY STREAM IS STORED
US12452462B2 (en) * 2022-07-05 2025-10-21 Tencent America LLC Systems and methods including syntax design for multi-symbol arithmetic coding

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US20170150176A1 (en) * 2015-11-25 2017-05-25 Qualcomm Incorporated Linear-model prediction with non-square prediction units 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
EP3991426A1 (en) 2022-05-04
US11330298B2 (en) 2022-05-10
US20200413092A1 (en) 2020-12-31
CN113994694B (zh) 2024-09-13
JP2022539316A (ja) 2022-09-08
WO2020263392A1 (en) 2020-12-30
CN113994694A (zh) 2022-01-28
KR20220024122A (ko) 2022-03-03
JP7547394B2 (ja) 2024-09-09
TW202106005A (zh) 2021-02-01
TWI863986B (zh) 2024-12-01

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