CN120111214A - 用于视频解码的方法和相关装置 - Google Patents

用于视频解码的方法和相关装置 Download PDF

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Publication number
CN120111214A
CN120111214A CN202510279277.0A CN202510279277A CN120111214A CN 120111214 A CN120111214 A CN 120111214A CN 202510279277 A CN202510279277 A CN 202510279277A CN 120111214 A CN120111214 A CN 120111214A
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China
Prior art keywords
block
intra prediction
prediction
reference line
video
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Pending
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CN202510279277.0A
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English (en)
Chinese (zh)
Inventor
赵亮
赵欣
刘杉
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Tencent America LLC
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Tencent America LLC
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Publication of CN120111214A publication Critical patent/CN120111214A/zh
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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)
CN202510279277.0A 2021-06-28 2022-01-21 用于视频解码的方法和相关装置 Pending CN120111214A (zh)

Applications Claiming Priority (6)

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
CN202280005806.2A CN116097646B (zh) 2021-06-28 2022-01-21 用于视频解码的方法和相关装置

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CN120111214A true CN120111214A (zh) 2025-06-06

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US (3) US11838498B2 (https=)
EP (1) EP4136835A4 (https=)
JP (2) JP7544433B2 (https=)
KR (1) KR20240000570A (https=)
CN (2) CN120111214A (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
JP2025521765A (ja) * 2022-07-08 2025-07-10 オッポ広東移動通信有限公司 イントラ予測融合方法、ビデオエンコーディング方法及び装置、ビデオデコーディング方法及び装置、並びにビデオコーディングシステム
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
US20150326880A1 (en) 2012-12-14 2015-11-12 Liu He Inside view motion prediction among texture and depth view components with asymmetric spatial resolution
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
CN118678053A (zh) * 2018-06-21 2024-09-20 株式会社Kt 对图像进行解码或编码的方法和传送压缩视频数据的装置
US11159806B2 (en) * 2018-06-28 2021-10-26 Qualcomm Incorporated Position dependent intra prediction combination with multiple reference lines for intra prediction
CN112425162B (zh) 2018-07-16 2024-12-13 交互数字Vc控股公司 宽角帧内预测和位置依赖性帧内预测组合

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EP4136835A4 (en) 2023-08-09
CN116097646B (zh) 2025-02-14
JP7544433B2 (ja) 2024-09-03
JP2023543892A (ja) 2023-10-18
US11838498B2 (en) 2023-12-05
US20250267254A1 (en) 2025-08-21
KR20240000570A (ko) 2024-01-02
JP2024161514A (ja) 2024-11-19
JP7817335B2 (ja) 2026-02-18
US20240064287A1 (en) 2024-02-22
CN116097646A (zh) 2023-05-09
US12294694B2 (en) 2025-05-06
EP4136835A1 (en) 2023-02-22
CN116097646A8 (zh) 2024-05-14
WO2023277957A1 (en) 2023-01-05
US20220417497A1 (en) 2022-12-29

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