JP7544433B2 - イントラ双方向予測及び複数参照ライン選択のための調和設計 - Google Patents

イントラ双方向予測及び複数参照ライン選択のための調和設計 Download PDF

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JP7544433B2
JP7544433B2 JP2023519996A JP2023519996A JP7544433B2 JP 7544433 B2 JP7544433 B2 JP 7544433B2 JP 2023519996 A JP2023519996 A JP 2023519996A JP 2023519996 A JP2023519996 A JP 2023519996A JP 7544433 B2 JP7544433 B2 JP 7544433B2
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block
prediction
intra
reference line
video
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JP2023543892A (ja
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ジャオ，リアン
ジャオ，シン
リウ，シャン
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Tencent America LLC
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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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  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023519996A 2021-06-28 2022-01-21 イントラ双方向予測及び複数参照ライン選択のための調和設計 Active JP7544433B2 (ja)

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JP2024137045A JP7817335B2 (ja) 2021-06-28 2024-08-16 イントラ双方向予測及び複数参照ライン選択のための調和設計

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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

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JP7544433B2 true JP7544433B2 (ja) 2024-09-03

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JP2024137045A Active JP7817335B2 (ja) 2021-06-28 2024-08-16 イントラ双方向予測及び複数参照ライン選択のための調和設計

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

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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

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US20200007870A1 (en) 2018-06-28 2020-01-02 Qualcomm Incorporated Position dependent intra prediction combination with multiple reference lines for intra prediction
WO2020018207A1 (en) 2018-07-16 2020-01-23 Interdigital Vc Holdings, Inc. Wide angle intra prediction and position dependent intra prediction combination

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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.

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
US20200007870A1 (en) 2018-06-28 2020-01-02 Qualcomm Incorporated Position dependent intra prediction combination with multiple reference lines for intra prediction
WO2020018207A1 (en) 2018-07-16 2020-01-23 Interdigital Vc Holdings, Inc. Wide angle intra prediction and position dependent intra prediction combination

Non-Patent Citations (1)

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Title
Geert Van der Auwera, Vadim Seregin, Amir Said, and Marta Karczewicz，Extension of Simplified PDPC to Diagonal Intra Modes，Joint Video Experts Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11，JVET-J0069_r1，10th Meeting: San Diego, USA，2018年04月，pp.1-4

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US11838498B2 (en) 2023-12-05
EP4136835A4 (en) 2023-08-09
CN116097646B (zh) 2025-02-14
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
KR20240000570A (ko) 2024-01-02

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