JP7548908B2 - 重み付け予測に適応された双方向オプティカルフローによる映像符号化及び復号の方法及び装置 - Google Patents

重み付け予測に適応された双方向オプティカルフローによる映像符号化及び復号の方法及び装置 Download PDF

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JP7548908B2
JP7548908B2 JP2021536079A JP2021536079A JP7548908B2 JP 7548908 B2 JP7548908 B2 JP 7548908B2 JP 2021536079 A JP2021536079 A JP 2021536079A JP 2021536079 A JP2021536079 A JP 2021536079A JP 7548908 B2 JP7548908 B2 JP 7548908B2
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prediction
bidirectional
weights
optical flow
image
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ギャルピン，フランク
ボルデ，フィリップ
フランソワ，エドワール
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インターデジタル ヴイシー ホールディングス， インコーポレイテッド
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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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • 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
    • H04N19/134—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/10—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021536079A 2019-01-14 2020-01-10 重み付け予測に適応された双方向オプティカルフローによる映像符号化及び復号の方法及び装置 Active JP7548908B2 (ja)

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EP19305044.0 2019-01-14
EP19305044 2019-01-14
EP19305267.7 2019-03-07
EP19305267 2019-03-07
PCT/US2020/013026 WO2020150080A1 (en) 2019-01-14 2020-01-10 Method and apparatus for video encoding and decoding with bi-directional optical flow adapted to weighted prediction

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JP2022517911A JP2022517911A (ja) 2022-03-11
JPWO2020150080A5 JPWO2020150080A5 (https=) 2023-01-19
JP2022517911A5 JP2022517911A5 (https=) 2023-01-19
JP7548908B2 true JP7548908B2 (ja) 2024-09-10

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US (1) US12316870B2 (https=)
EP (1) EP3912356A1 (https=)
JP (1) JP7548908B2 (https=)
CN (1) CN113330747B (https=)
MX (1) MX2021008468A (https=)
WO (1) WO2020150080A1 (https=)

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CN119922305A (zh) 2018-12-21 2025-05-02 韩国电子通信研究院 图像编码/解码方法和装置以及存储比特流的记录介质
US11089328B2 (en) * 2019-05-22 2021-08-10 Qualcomm Incorporated Bi-directional optical flow in video coding
CN114365485B (zh) * 2019-09-10 2026-03-27 诺基亚技术有限公司 用于执行bdof的图像编码/解码方法和装置及用于发送比特流的方法
CN116158079A (zh) * 2020-07-27 2023-05-23 北京达佳互联信息技术有限公司 用于视频编解码的加权ac预测
JP7055937B1 (ja) * 2021-10-13 2022-04-18 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
JP7106025B2 (ja) * 2022-01-17 2022-07-25 Kddi株式会社 画像復号装置、画像復号方法及びプログラム

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WO2017134957A1 (ja) 2016-02-03 2017-08-10 シャープ株式会社 動画像復号装置、動画像符号化装置、および予測画像生成装置
WO2017197146A1 (en) 2016-05-13 2017-11-16 Vid Scale, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
WO2020069076A1 (en) 2018-09-26 2020-04-02 Vid Scale, Inc. Bi-prediction for video coding
WO2020094000A1 (en) 2018-11-05 2020-05-14 Beijing Bytedance Network Technology Co., Ltd. Interpolation for inter prediction with refinement

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WO2020070612A1 (en) * 2018-10-06 2020-04-09 Beijing Bytedance Network Technology Co., Ltd. Improvement for temporal gradient calculating in bio
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WO2017134957A1 (ja) 2016-02-03 2017-08-10 シャープ株式会社 動画像復号装置、動画像符号化装置、および予測画像生成装置
WO2017197146A1 (en) 2016-05-13 2017-11-16 Vid Scale, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
WO2020069076A1 (en) 2018-09-26 2020-04-02 Vid Scale, Inc. Bi-prediction for video coding
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EP3912356A1 (en) 2021-11-24
CN113330747B (zh) 2025-10-17
US12316870B2 (en) 2025-05-27
US20220109871A1 (en) 2022-04-07
MX2021008468A (es) 2021-08-19
WO2020150080A1 (en) 2020-07-23
JP2022517911A (ja) 2022-03-11
CN113330747A (zh) 2021-08-31

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