SG11202011320SA - An error surface based sub-pixel accurate refinement method for decoder side motion vector refinement - Google Patents

An error surface based sub-pixel accurate refinement method for decoder side motion vector refinement

Info

Publication number
SG11202011320SA
SG11202011320SA SG11202011320SA SG11202011320SA SG11202011320SA SG 11202011320S A SG11202011320S A SG 11202011320SA SG 11202011320S A SG11202011320S A SG 11202011320SA SG 11202011320S A SG11202011320S A SG 11202011320SA SG 11202011320S A SG11202011320S A SG 11202011320SA
Authority
SG
Singapore
Prior art keywords
refinement
motion vector
surface based
decoder side
side motion
Prior art date
Application number
SG11202011320SA
Inventor
Sriram Sethuraman
Jeeva Raj A
Sagar Kotecha
Original Assignee
Huawei Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of SG11202011320SA publication Critical patent/SG11202011320SA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/533Motion estimation using multistep search, e.g. 2D-log search or one-at-a-time search [OTS]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/523Motion estimation or motion compensation with sub-pixel accuracy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/56Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG11202011320SA 2018-07-02 2019-06-20 An error surface based sub-pixel accurate refinement method for decoder side motion vector refinement SG11202011320SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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

Publications (1)

Publication Number Publication Date
SG11202011320SA true SG11202011320SA (en) 2020-12-30

Family

ID=69060580

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202011320SA SG11202011320SA (en) 2018-07-02 2019-06-20 An error surface based sub-pixel accurate refinement method for decoder side motion vector refinement

Country Status (9)

Country Link
US (2) US11310521B2 (en)
EP (1) EP3794826A4 (en)
JP (2) JP2021530144A (en)
KR (2) KR102568199B1 (en)
CN (3) CN115052162A (en)
BR (1) BR112020026988A2 (en)
MX (1) MX2020013844A (en)
SG (1) SG11202011320SA (en)
WO (1) WO2020007199A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN112640468A (en) * 2018-09-04 2021-04-09 华为技术有限公司 Reference frame obtaining method and device applied to bidirectional interframe prediction
EP3903494A4 (en) * 2019-02-28 2022-06-22 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for inter prediction
WO2024014896A1 (en) * 2022-07-13 2024-01-18 엘지전자 주식회사 Image coding/decoding method based on movement information refinement, method for transmitting bitstream, and recording medium storing bitstream

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100746022B1 (en) * 2005-06-14 2007-08-06 삼성전자주식회사 Method and apparatus for encoding video signal with improved compression efficiency using model switching of sub pixel's motion estimation
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
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

Also Published As

Publication number Publication date
KR102568199B1 (en) 2023-08-22
MX2020013844A (en) 2021-03-25
US11310521B2 (en) 2022-04-19
CN112292861B (en) 2022-05-17
CN115442619A (en) 2022-12-06
JP2024038060A (en) 2024-03-19
JP2021530144A (en) 2021-11-04
EP3794826A1 (en) 2021-03-24
EP3794826A4 (en) 2021-03-24
WO2020007199A1 (en) 2020-01-09
CN115052162A (en) 2022-09-13
US20210076059A1 (en) 2021-03-11
US20220132158A1 (en) 2022-04-28
KR20230122686A (en) 2023-08-22
BR112020026988A2 (en) 2021-03-30
CN112292861A (en) 2021-01-29
KR20210008046A (en) 2021-01-20

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