CN115052162A - 用于解码端运动矢量修正的基于误差面的子像素精确修正方法 - Google Patents

用于解码端运动矢量修正的基于误差面的子像素精确修正方法 Download PDF

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Publication number
CN115052162A
CN115052162A CN202210547968.0A CN202210547968A CN115052162A CN 115052162 A CN115052162 A CN 115052162A CN 202210547968 A CN202210547968 A CN 202210547968A CN 115052162 A CN115052162 A CN 115052162A
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motion vector
integer
pixel
sub
displacement
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CN202210547968.0A
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Chinese (zh)
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斯利拉姆·赛阿瑟拉门
奇甫阿·瑞安·阿
赛格安仁·蔻特查阿
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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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
    • H04N19/533—Motion estimation using multistep search, e.g. 2D-log search or one-at-a-time search [OTS]
    • 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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • 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)
CN202210547968.0A 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法 Pending CN115052162A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IN201831024666 2018-07-02
IN201831024666 2018-07-02
PCT/CN2019/092114 WO2020007199A1 (en) 2018-07-02 2019-06-20 An error surface based sub-pixel accurate refinement method for decoder side motion vector refinement
CN201980040320.0A CN112292861B (zh) 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法

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CN202210544150.3A Active CN115442619B (zh) 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法
CN201980040320.0A Active CN112292861B (zh) 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法

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CN201980040320.0A Active CN112292861B (zh) 2018-07-02 2019-06-20 用于解码端运动矢量修正的基于误差面的子像素精确修正方法

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US (3) US11310521B2 (enExample)
EP (1) EP3794826A1 (enExample)
JP (2) JP7652354B2 (enExample)
KR (2) KR102568199B1 (enExample)
CN (3) CN115052162A (enExample)
BR (1) BR112020026988A2 (enExample)
MX (1) MX2020013844A (enExample)
MY (1) MY201618A (enExample)
SG (1) SG11202011320SA (enExample)
WO (1) WO2020007199A1 (enExample)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2025174677A1 (en) * 2024-02-14 2025-08-21 Tencent America LLC Implicit sub-pel position derivation for template matching-based intra prediction

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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GB2563943B (en) * 2017-06-30 2021-02-24 Canon Kk Method and apparatus for encoding or decoding video data in FRUC mode with reduced memory accesses
JP7242861B2 (ja) * 2018-09-04 2023-03-20 華為技術有限公司 二方向インター予測に適用される参照フレーム取得方法および装置
MY207229A (en) * 2019-02-28 2025-02-07 Huawei Tech Co Ltd An encoder, a decoder and corresponding methods for inter prediction
CN120455657A (zh) * 2019-03-08 2025-08-08 交互数字Vc控股公司 用于编码或解码的方法和装置
EP4557732A1 (en) * 2022-07-13 2025-05-21 LG Electronics Inc. Image coding/decoding method based on movement information refinement, method for transmitting bitstream, and recording medium storing bitstream
US20240223776A1 (en) * 2023-01-03 2024-07-04 Alibaba (China) Co., Ltd. Intra template matching prediction mode for motion prediction

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6876703B2 (en) * 2000-05-11 2005-04-05 Ub Video Inc. Method and apparatus for video coding
KR100746022B1 (ko) * 2005-06-14 2007-08-06 삼성전자주식회사 서브픽셀 움직임 추정시 모델 스위칭을 통한 압축 효율을증가시키는 인코딩 방법 및 장치
KR101403343B1 (ko) * 2007-10-04 2014-06-09 삼성전자주식회사 부화소 움직임 추정을 이용한 인터 예측 부호화, 복호화방법 및 장치
WO2009113787A2 (en) * 2008-03-09 2009-09-17 Lg Electronics Inc. A method and an apparatus for encoding or decoding a video signal
EP2362655B1 (en) * 2010-02-10 2013-07-17 Telefonaktiebolaget L M Ericsson (Publ) Motion-vector estimation
EP3314894B1 (en) * 2015-06-25 2024-03-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Refinement of a low-pel resolution motion estimation vector
EP3171595A1 (en) * 2015-11-18 2017-05-24 Thomson Licensing Enhanced search strategies for hierarchical motion estimation
KR102746463B1 (ko) * 2016-08-17 2024-12-23 세종대학교산학협력단 비디오 신호의 부호화 또는 복호화 방법 및 장치
US10511853B2 (en) * 2016-11-24 2019-12-17 Ecole De Technologie Superieure Method and system for parallel rate-constrained motion estimation in video coding
AU2016266019A1 (en) * 2016-11-30 2018-06-14 Canon Kabushiki Kaisha Image registration method
CN106878737B (zh) * 2017-03-02 2019-10-08 西安电子科技大学 高效视频编码中的运动估计加速方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025174677A1 (en) * 2024-02-14 2025-08-21 Tencent America LLC Implicit sub-pel position derivation for template matching-based intra prediction

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US12003754B2 (en) 2024-06-04
WO2020007199A1 (en) 2020-01-09
JP2024038060A (ja) 2024-03-19
KR20210008046A (ko) 2021-01-20
CN115442619A (zh) 2022-12-06
KR20230122686A (ko) 2023-08-22
JP7652354B2 (ja) 2025-03-27
US12477142B2 (en) 2025-11-18
US20220132158A1 (en) 2022-04-28
JP2021530144A (ja) 2021-11-04
CN112292861B (zh) 2022-05-17
US20240364914A1 (en) 2024-10-31
KR102568199B1 (ko) 2023-08-22
US20210076059A1 (en) 2021-03-11
KR102701434B1 (ko) 2024-09-04
EP3794826A4 (en) 2021-03-24
EP3794826A1 (en) 2021-03-24
MX2020013844A (es) 2021-03-25
CN115442619B (zh) 2025-01-07
BR112020026988A2 (pt) 2021-03-30
US11310521B2 (en) 2022-04-19
SG11202011320SA (en) 2020-12-30
MY201618A (en) 2024-03-05
CN112292861A (zh) 2021-01-29

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