CN113330747B - 利用适应于加权预测的双向光流进行视频编码和解码的方法和装置 - Google Patents

利用适应于加权预测的双向光流进行视频编码和解码的方法和装置

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Publication number
CN113330747B
CN113330747B CN202080009032.1A CN202080009032A CN113330747B CN 113330747 B CN113330747 B CN 113330747B CN 202080009032 A CN202080009032 A CN 202080009032A CN 113330747 B CN113330747 B CN 113330747B
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prediction
wise motion
weights
optical flow
block
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CN113330747A (zh
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F·加尔平
P·博尔德斯
E·弗兰科伊斯
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InterDigital VC Holdings Inc
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InterDigital VC Holdings Inc
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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)
CN202080009032.1A 2019-01-14 2020-01-10 利用适应于加权预测的双向光流进行视频编码和解码的方法和装置 Active CN113330747B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
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

Publications (2)

Publication Number Publication Date
CN113330747A CN113330747A (zh) 2021-08-31
CN113330747B true CN113330747B (zh) 2025-10-17

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Country Status (6)

Country Link
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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US9743092B2 (en) * 2015-10-13 2017-08-22 Nokia Technologies Oy Video coding with helper data for spatial intra-prediction
EP3413563B1 (en) * 2016-02-03 2026-02-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Moving image decoding device, moving image encoding device, and prediction image generation device
EP4060992B1 (en) 2016-05-13 2025-07-02 InterDigital VC Holdings, Inc. Systems and methods for generalized multi-hypothesis prediction for video coding
WO2018125972A1 (en) * 2016-12-28 2018-07-05 Arris Enterprises Llc Adaptive unequal weight planar prediction
MX2020007868A (es) * 2018-01-26 2020-09-07 Interdigital Vc Holdings Inc Metodo y aparato para codificacion y decodificacion de video basado en un modelo lineal receptivo a muestras vecinas.
CN112930684B (zh) * 2018-08-17 2023-10-13 寰发股份有限公司 在视频编解码系统中利用双向预测处理视频的方法、设备
TW202029755A (zh) * 2018-09-26 2020-08-01 美商Ｖｉｄ衡器股份有限公司 視訊編碼雙預測
WO2020070612A1 (en) * 2018-10-06 2020-04-09 Beijing Bytedance Network Technology Co., Ltd. Improvement for temporal gradient calculating in bio
CN111083492B (zh) * 2018-10-22 2024-01-12 北京字节跳动网络技术有限公司 双向光流中的梯度计算
CN118694931B (zh) * 2018-11-05 2025-12-02 北京字节跳动网络技术有限公司 编解码视频数据的方法、装置及计算机可读存储介质
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Publication number Publication date
EP3912356A1 (en) 2021-11-24
US12316870B2 (en) 2025-05-27
US20220109871A1 (en) 2022-04-07
JP7548908B2 (ja) 2024-09-10
MX2021008468A (es) 2021-08-19
WO2020150080A1 (en) 2020-07-23
JP2022517911A (ja) 2022-03-11
CN113330747A (zh) 2021-08-31

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