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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JPWO2020183243A5 (enExample
JP2022521893A (ja
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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)

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EP19305272 2019-03-08
EP19305272.7 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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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
WO2021249949A1 (en) * 2020-06-09 2021-12-16 Interdigital Vc Holdings France, Sas Local light field flow as an alternative to plane-sweep volumes
WO2022165154A1 (en) * 2021-01-29 2022-08-04 Qualcomm Incorporated Model-based motion vector difference derivation and template matching prediction for video coding
EP4388741A1 (en) * 2021-08-16 2024-06-26 InterDigital CE Patent Holdings, SAS Systems and methods for processing video content based on viewing conditions
US12489886B2 (en) * 2022-07-04 2025-12-02 Alibaba (China) Co., Ltd. Deriving bi-prediction with coding unit-level weight indices for merge candidates
WO2025075762A1 (en) * 2023-10-06 2025-04-10 Qualcomm Incorporated Using local illumination compensation and delta motion vector refinement together in video coding
WO2025221570A1 (en) * 2024-04-17 2025-10-23 Qualcomm Incorporated Adaptive cost function selection in merge mode in video coding

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US8054882B2 (en) * 2005-05-13 2011-11-08 Streaming Networks (Pvt.) Ltd. Method and system for providing bi-directionally predicted video coding
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
US10511835B2 (en) 2015-09-02 2019-12-17 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
EP3560202A4 (en) 2016-12-27 2020-07-29 MediaTek Inc. BILATERAL MODEL MV REFINEMENT PROCESS AND APPARATUS INTENDED 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
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WO2020031902A1 (ja) 2018-08-06 2020-02-13 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法および復号方法
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US20220116621A1 (en) 2022-04-14
CN119767031A (zh) 2025-04-04
MX2025001838A (es) 2025-03-07
CN113615196A (zh) 2021-11-05
CN113615196B (zh) 2024-11-29
MX2021010779A (es) 2021-09-30
JP2024161411A (ja) 2024-11-19
US11930184B2 (en) 2024-03-12
JP7775389B2 (ja) 2025-11-25
US20250301148A1 (en) 2025-09-25
WO2020183243A1 (en) 2020-09-17
US20240171750A1 (en) 2024-05-23
US12355974B2 (en) 2025-07-08
EP3935852A1 (en) 2022-01-12
JP2022521893A (ja) 2022-04-13

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