JP7532388B2 - ビデオの符号化および復号における動きベクトルの導出 - Google Patents

ビデオの符号化および復号における動きベクトルの導出 Download PDF

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JP7532388B2
JP7532388B2 JP2021547331A JP2021547331A JP7532388B2 JP 7532388 B2 JP7532388 B2 JP 7532388B2 JP 2021547331 A JP2021547331 A JP 2021547331A JP 2021547331 A JP2021547331 A JP 2021547331A JP 7532388 B2 JP7532388 B2 JP 7532388B2
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dmvr
motion vector
cost function
lic
vector refinement
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JP2022521893A (ja
JP2022521893A5 (enExample
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アーバン，ファブリス
ギャルピン，フランク
ボルデ，フィリップ
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インターディジタル・シーイー・パテント・ホールディングス・ソシエテ・パ・アクシオンス・シンプリフィエ
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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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2021547331A 2019-03-08 2020-03-06 ビデオの符号化および復号における動きベクトルの導出 Active JP7532388B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2024124332A JP7775389B2 (ja) 2019-03-08 2024-07-31 ビデオの符号化および復号における動きベクトルの導出
JP2025192532A JP2026032023A (ja) 2019-03-08 2025-11-12 ビデオの符号化および復号における動きベクトルの導出

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19305272.7 2019-03-08
EP19305272 2019-03-08
PCT/IB2020/000290 WO2020183243A1 (en) 2019-03-08 2020-03-06 Motion vector derivation in video encoding and decoding

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JP2022521893A JP2022521893A (ja) 2022-04-13
JP2022521893A5 JP2022521893A5 (enExample) 2023-03-10
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JP2024124332A Active JP7775389B2 (ja) 2019-03-08 2024-07-31 ビデオの符号化および復号における動きベクトルの導出
JP2025192532A Pending JP2026032023A (ja) 2019-03-08 2025-11-12 ビデオの符号化および復号における動きベクトルの導出

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US (3) US11930184B2 (enExample)
EP (1) EP3935852A1 (enExample)
JP (3) JP7532388B2 (enExample)
CN (2) CN119767031A (enExample)
MX (2) MX2021010779A (enExample)
WO (1) WO2020183243A1 (enExample)

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TWI738248B (zh) * 2019-03-14 2021-09-01 聯發科技股份有限公司 運動細化以及子分區基礎填充的視訊處理的方法以及裝置
WO2021006617A1 (ko) * 2019-07-08 2021-01-14 현대자동차주식회사 인터 예측을 이용하여 비디오를 부호화 및 복호화하는 방법 및 장치
US20230145618A1 (en) * 2020-03-20 2023-05-11 Canon Kabushiki Kaisha High level syntax for video coding and decoding
US12073579B2 (en) * 2020-06-09 2024-08-27 Interdigital Ce Patent Holdings, Sas Local light field flow as an alternative to plane-sweep volumes
BR112023014624A2 (pt) * 2021-01-29 2023-10-31 Qualcomm Inc Derivação de diferença de vetor de movimento com base em modelo e previsão de correspondência de modelo para codificação de vídeo
CN117897953A (zh) * 2021-08-16 2024-04-16 交互数字Ce专利控股有限公司 用于基于观看条件来处理视频内容的系统和方法
CA3232723A1 (en) * 2021-09-24 2023-03-30 Philippe Bordes Methods and apparatus for dmvr with bi-prediction weighting
US12489886B2 (en) * 2022-07-04 2025-12-02 Alibaba (China) Co., Ltd. Deriving bi-prediction with coding unit-level weight indices for merge candidates
CN121970339A (zh) * 2023-10-06 2026-05-01 高通股份有限公司 在视频译码中一起使用局部照明补偿及差量运动向量细化
WO2025221570A1 (en) * 2024-04-17 2025-10-23 Qualcomm Incorporated Adaptive cost function selection in merge mode in video coding

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US20130182768A1 (en) * 2010-09-30 2013-07-18 Korea Advanced Institute Of Science And Technology Method and apparatus for encoding / decoding video using error compensation
US10333547B2 (en) * 2012-08-13 2019-06-25 Gurologic Microsystems Oy Encoder and method for encoding input data using a plurality of different transformations or combinations of transformations
EP3342167B1 (en) * 2015-09-02 2020-12-30 MediaTek, Inc Method and apparatus of decoder side motion derivation for video coding
EP3264769A1 (en) * 2016-06-30 2018-01-03 Thomson Licensing Method and apparatus for video coding with automatic motion information refinement
US10911761B2 (en) 2016-12-27 2021-02-02 Mediatek Inc. Method and apparatus of bilateral template MV refinement for video coding
US20180199057A1 (en) * 2017-01-12 2018-07-12 Mediatek Inc. Method and Apparatus of Candidate Skipping for Predictor Refinement in Video Coding
US10602180B2 (en) * 2017-06-13 2020-03-24 Qualcomm Incorporated Motion vector prediction
US10477237B2 (en) 2017-06-28 2019-11-12 Futurewei Technologies, Inc. Decoder side motion vector refinement in video coding
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CN111083489B (zh) * 2018-10-22 2024-05-14 北京字节跳动网络技术有限公司 多次迭代运动矢量细化
CN112913247B (zh) * 2018-10-23 2023-04-28 北京字节跳动网络技术有限公司 使用局部照明补偿的视频处理

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JP2026032023A (ja) 2026-02-25
MX2021010779A (es) 2021-09-30
JP2022521893A (ja) 2022-04-13
CN113615196B (zh) 2024-11-29
EP3935852A1 (en) 2022-01-12
US12355974B2 (en) 2025-07-08
MX2025001838A (es) 2025-03-07
JP7775389B2 (ja) 2025-11-25
US20250301148A1 (en) 2025-09-25
CN119767031A (zh) 2025-04-04
JP2024161411A (ja) 2024-11-19
WO2020183243A1 (en) 2020-09-17
CN113615196A (zh) 2021-11-05
US11930184B2 (en) 2024-03-12
US20220116621A1 (en) 2022-04-14
US20240171750A1 (en) 2024-05-23

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