JP7540082B2 - オフセット・ベースのリファインメント及び複数参照ライン選択の調和的設計 - Google Patents

オフセット・ベースのリファインメント及び複数参照ライン選択の調和的設計 Download PDF

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JP7540082B2
JP7540082B2 JP2023519440A JP2023519440A JP7540082B2 JP 7540082 B2 JP7540082 B2 JP 7540082B2 JP 2023519440 A JP2023519440 A JP 2023519440A JP 2023519440 A JP2023519440 A JP 2023519440A JP 7540082 B2 JP7540082 B2 JP 7540082B2
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block
intra prediction
intra
prediction
reference line
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JP2023543591A (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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Tencent America LLC
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    • 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
    • H04N19/105Selection 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
    • 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/136Incoming video signal characteristics or properties
    • 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
    • H04N19/176Methods 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
    • H04N19/50Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023519440A 2021-06-30 2022-01-27 オフセット・ベースのリファインメント及び複数参照ライン選択の調和的設計 Active JP7540082B2 (ja)

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JP2024135189A JP2024161467A (ja) 2021-06-30 2024-08-14 オフセット・ベースのリファインメント及び複数参照ライン選択の調和的設計

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US202163217061P 2021-06-30 2021-06-30
US63/217,061 2021-06-30
US17/573,823 2022-01-12
US17/573,823 US12250401B2 (en) 2021-06-30 2022-01-12 Harmonized design for offset based refinement and multiple reference line selection
PCT/US2022/014131 WO2023277960A1 (en) 2021-06-30 2022-01-27 Harmonized design for offset based refinement and multiple reference line selection

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JP7540082B2 true JP7540082B2 (ja) 2024-08-26

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JP2024135189A Pending JP2024161467A (ja) 2021-06-30 2024-08-14 オフセット・ベースのリファインメント及び複数参照ライン選択の調和的設計

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EP (1) EP4179726A4 (enExample)
JP (2) JP7540082B2 (enExample)
KR (1) KR20230048544A (enExample)
WO (1) WO2023277960A1 (enExample)

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US20240372983A1 (en) * 2023-05-04 2024-11-07 Tencent America LLC Systems and methods for smooth mode predictions
US12477116B2 (en) 2023-05-17 2025-11-18 Tencent America LLC Systems and methods for angular intra mode coding
CN121058227A (zh) * 2023-05-22 2025-12-02 谷歌有限责任公司 扩展的帧内预测角度

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009035144A1 (ja) 2007-09-12 2009-03-19 Sony Corporation 画像処理装置及び画像処理方法
US20200053385A1 (en) 2016-10-04 2020-02-13 Kt Corporation Method and apparatus for processing video signal
US20210243429A1 (en) 2018-11-27 2021-08-05 Xris Corporation Method for encoding/decoding video signal and apparatus therefor
JP2022526304A (ja) 2019-03-21 2022-05-24 ホアウェイ・テクノロジーズ・カンパニー・リミテッド イントラ予測のための方法および装置

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KR101009517B1 (ko) 2008-06-23 2011-01-18 삼성에스디아이 주식회사 전극 조립체와 이를 이용한 리튬 이차 전지
BR112020016432A2 (pt) 2018-02-14 2020-12-15 Huawei Technologies Co., Ltd. Método implementado em codificador e decodificador, dispositivo de codificação e de decodificação de vídeo, e meio legível por computador não transitório

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009035144A1 (ja) 2007-09-12 2009-03-19 Sony Corporation 画像処理装置及び画像処理方法
US20100046621A1 (en) 2007-09-12 2010-02-25 Yuya Horiuchi Image processing device and image processing method
US20200053385A1 (en) 2016-10-04 2020-02-13 Kt Corporation Method and apparatus for processing video signal
US20210243429A1 (en) 2018-11-27 2021-08-05 Xris Corporation Method for encoding/decoding video signal and apparatus therefor
JP2022526304A (ja) 2019-03-21 2022-05-24 ホアウェイ・テクノロジーズ・カンパニー・リミテッド イントラ予測のための方法および装置

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EP4179726A4 (en) 2023-08-23
US12250401B2 (en) 2025-03-11
US20250184529A1 (en) 2025-06-05
EP4179726A1 (en) 2023-05-17
JP2024161467A (ja) 2024-11-19
US20230007299A1 (en) 2023-01-05
KR20230048544A (ko) 2023-04-11
JP2023543591A (ja) 2023-10-17
WO2023277960A1 (en) 2023-01-05

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