KR20240000570A - 인트라 양예측 및 다중 참조 라인 선택을 위한 조화로운 설계 - Google Patents

인트라 양예측 및 다중 참조 라인 선택을 위한 조화로운 설계 Download PDF

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KR20240000570A
KR20240000570A KR1020237040268A KR20237040268A KR20240000570A KR 20240000570 A KR20240000570 A KR 20240000570A KR 1020237040268 A KR1020237040268 A KR 1020237040268A KR 20237040268 A KR20237040268 A KR 20237040268A KR 20240000570 A KR20240000570 A KR 20240000570A
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block
intra
prediction
reference line
intra prediction
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Korean (ko)
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량 자오
신 자오
산 류
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텐센트 아메리카 엘엘씨
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    • 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
    • H04N19/10—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
    • 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
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020237040268A 2021-06-28 2022-01-21 인트라 양예측 및 다중 참조 라인 선택을 위한 조화로운 설계 Pending KR20240000570A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163215888P 2021-06-28 2021-06-28
US63/215,888 2021-06-28
US17/570,603 2022-01-07
US17/570,603 US11838498B2 (en) 2021-06-28 2022-01-07 Harmonized design for intra bi-prediction and multiple reference line selection
PCT/US2022/013314 WO2023277957A1 (en) 2021-06-28 2022-01-21 Harmonized design for intra bi-prediction and multiple reference line selection

Publications (1)

Publication Number Publication Date
KR20240000570A true KR20240000570A (ko) 2024-01-02

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KR1020237040268A Pending KR20240000570A (ko) 2021-06-28 2022-01-21 인트라 양예측 및 다중 참조 라인 선택을 위한 조화로운 설계

Country Status (6)

Country Link
US (3) US11838498B2 (https=)
EP (1) EP4136835A4 (https=)
JP (2) JP7544433B2 (https=)
KR (1) KR20240000570A (https=)
CN (2) CN116097646B (https=)
WO (1) WO2023277957A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250035555A (ko) * 2022-07-08 2025-03-12 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 인트라 예측 융합 방법, 비디오 인코딩 및 디코딩 방법, 장치 및 시스템
US20240380889A1 (en) * 2023-05-10 2024-11-14 Tencent America LLC Systems and methods for blend intra mode coding
US12477116B2 (en) 2023-05-17 2025-11-18 Tencent America LLC Systems and methods for angular intra mode coding

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8619853B2 (en) * 2007-06-15 2013-12-31 Qualcomm Incorporated Separable directional transforms
US9426463B2 (en) 2012-02-08 2016-08-23 Qualcomm Incorporated Restriction of prediction units in B slices to uni-directional inter prediction
JP6215344B2 (ja) 2012-12-14 2017-10-18 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 非対称空間解像度を有するテクスチャビューコンポーネントおよび深度ビューコンポーネントの中での内部ビュー動き予測
US9491460B2 (en) 2013-03-29 2016-11-08 Qualcomm Incorporated Bandwidth reduction for video coding prediction
KR102351029B1 (ko) * 2017-05-16 2022-01-13 엘지전자 주식회사 인트라 예측 모드 기반 영상 처리 방법 및 이를 위한 장치
WO2018219925A1 (en) * 2017-05-31 2018-12-06 Interdigital Vc Holdings, Inc. Method and apparatus for signalling bi-directional intra prediction in video encoding and decoding
US10419754B1 (en) * 2018-04-02 2019-09-17 Tencent America LLC Method and apparatus for video decoding using multiple line intra prediction
MX2020012608A (es) * 2018-06-21 2021-01-29 Kt Corp Metodo y aparato para procesar se?ales de video.
US11159806B2 (en) 2018-06-28 2021-10-26 Qualcomm Incorporated Position dependent intra prediction combination with multiple reference lines for intra prediction
BR112020025939A2 (pt) * 2018-07-16 2021-03-23 Interdigital Vc Holdings, Inc. previsão intra de ângulo amplo e combinação de previsão intra dependente da posição

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Publication number Publication date
US11838498B2 (en) 2023-12-05
EP4136835A4 (en) 2023-08-09
CN116097646B (zh) 2025-02-14
JP7544433B2 (ja) 2024-09-03
US20240064287A1 (en) 2024-02-22
JP7817335B2 (ja) 2026-02-18
EP4136835A1 (en) 2023-02-22
WO2023277957A1 (en) 2023-01-05
CN116097646A8 (zh) 2024-05-14
JP2023543892A (ja) 2023-10-18
US20220417497A1 (en) 2022-12-29
CN120111214A (zh) 2025-06-06
CN116097646A (zh) 2023-05-09
JP2024161514A (ja) 2024-11-19
US20250267254A1 (en) 2025-08-21
US12294694B2 (en) 2025-05-06

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