JP7313533B2 - オプティカルフローによる予測洗練化における方法および装置 - Google Patents

オプティカルフローによる予測洗練化における方法および装置 Download PDF

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JP7313533B2
JP7313533B2 JP2022501055A JP2022501055A JP7313533B2 JP 7313533 B2 JP7313533 B2 JP 7313533B2 JP 2022501055 A JP2022501055 A JP 2022501055A JP 2022501055 A JP2022501055 A JP 2022501055A JP 7313533 B2 JP7313533 B2 JP 7313533B2
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prediction
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JP2022531629A (ja
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シウ、シャオユー
チェン、イ-ウェン
ワン、シャンリン
ユー、ビン
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Beijing Dajia Internet Information Technology Co Ltd
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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
    • H04N19/134Methods 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
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal 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
    • H04N19/103Selection 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • 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
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/573Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2022501055A 2019-07-10 2020-07-10 オプティカルフローによる予測洗練化における方法および装置 Active JP7313533B2 (ja)

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Application Number Priority Date Filing Date Title
JP2023069637A JP7763805B2 (ja) 2019-07-10 2023-04-20 オプティカルフローによる予測洗練化における方法および装置
JP2023134199A JP7813752B2 (ja) 2019-07-10 2023-08-21 オプティカルフローによる予測洗練化における方法および装置
JP2023144689A JP7813753B2 (ja) 2019-07-10 2023-09-06 オプティカルフローによる予測洗練化における方法および装置
JP2025139847A JP2025172820A (ja) 2019-07-10 2025-08-25 オプティカルフローによる予測洗練化における方法および装置

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US201962872700P 2019-07-10 2019-07-10
US62/872,700 2019-07-10
US201962873837P 2019-07-12 2019-07-12
US62/873,837 2019-07-12
PCT/US2020/041701 WO2021007557A1 (en) 2019-07-10 2020-07-10 Methods and apparatus on prediction refinement with optical flow

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JP2023144689A Active JP7813753B2 (ja) 2019-07-10 2023-09-06 オプティカルフローによる予測洗練化における方法および装置
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US (2) US12132910B2 (enExample)
EP (2) EP4554217A3 (enExample)
JP (5) JP7313533B2 (enExample)
KR (3) KR102453806B1 (enExample)
CN (2) CN114342378A (enExample)
MX (4) MX2022000395A (enExample)
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CN119450036B (zh) * 2019-09-24 2025-10-14 Oppo广东移动通信有限公司 用于基于子画面的图像编码/解码的方法和装置及发送比特流的方法
JP2021052389A (ja) * 2020-08-21 2021-04-01 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
US20220201313A1 (en) * 2020-12-22 2022-06-23 Qualcomm Incorporated Bi-directional optical flow in video coding
US11949863B2 (en) * 2021-08-02 2024-04-02 Tencent America LLC Geometric partition mode with intra block copy
US20250211783A1 (en) * 2022-03-21 2025-06-26 Wilus Institute Of Standards And Technology Inc. Video signal processing method based on template matching, and device therefor
WO2025002275A1 (en) * 2023-06-29 2025-01-02 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing

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WO2017036399A1 (en) * 2015-09-02 2017-03-09 Mediatek Inc. Method and apparatus of motion compensation for video coding based on bi prediction optical flow techniques
KR102638991B1 (ko) * 2016-03-24 2024-02-21 엘지전자 주식회사 비디오 코딩 시스템에서 인터 예측 방법 및 장치
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CN114342378A (zh) 2022-04-12
JP7813753B2 (ja) 2026-02-13
KR102942293B1 (ko) 2026-03-19
CN115002454B (zh) 2024-11-15
CN115002454A (zh) 2022-09-02
KR102453806B1 (ko) 2022-10-11
MX2025007807A (es) 2025-08-01
US20240430438A1 (en) 2024-12-26
MX2022000395A (es) 2022-04-06
JP2022531629A (ja) 2022-07-07
EP3991431A1 (en) 2022-05-04
JP2023089253A (ja) 2023-06-27
JP2023159292A (ja) 2023-10-31
EP3991431A4 (en) 2022-09-28
US20220132138A1 (en) 2022-04-28
MX2025007806A (es) 2025-08-01
MX2025007805A (es) 2025-08-01
JP7813752B2 (ja) 2026-02-13
JP7763805B2 (ja) 2025-11-04
KR20220025205A (ko) 2022-03-03
JP2023164968A (ja) 2023-11-14
EP4554217A3 (en) 2025-06-25
WO2021007557A1 (en) 2021-01-14
US12132910B2 (en) 2024-10-29
JP2025172820A (ja) 2025-11-26
EP4554217A2 (en) 2025-05-14
KR20220140047A (ko) 2022-10-17
US12593048B2 (en) 2026-03-31
KR20260042316A (ko) 2026-03-30

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