MY201618A - 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
MY201618A
MY201618A MYPI2020005963A MYPI2020005963A MY201618A MY 201618 A MY201618 A MY 201618A MY PI2020005963 A MYPI2020005963 A MY PI2020005963A MY PI2020005963 A MYPI2020005963 A MY PI2020005963A MY 201618 A MY201618 A MY 201618A
Authority
MY
Malaysia
Prior art keywords
refinement
motion vector
pixel accurate
decoder side
side motion
Prior art date
Application number
MYPI2020005963A
Other languages
English (en)
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 MY201618A publication Critical patent/MY201618A/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
    • H04N19/10Methods 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
    • 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
    • H04N19/523Motion 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
    • H04N19/50Methods 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)
MYPI2020005963A 2018-07-02 2019-06-20 An error surface based sub-pixel accurate refinement method for decoder side motion vector refinement MY201618A (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
MY201618A true MY201618A (en) 2024-03-05

Family

ID=69060580

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI2020005963A MY201618A (en) 2018-07-02 2019-06-20 An error surface based sub-pixel accurate refinement method for decoder side motion vector refinement

Country Status (10)

Country Link
US (3) US11310521B2 (enExample)
EP (1) EP3794826A4 (enExample)
JP (2) JP7652354B2 (enExample)
KR (2) KR102701434B1 (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)

Families Citing this family (7)

* 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
WO2020048205A1 (zh) * 2018-09-04 2020-03-12 华为技术有限公司 应用于双向帧间预测中的参考帧获取方法及装置
EP4485935A3 (en) 2019-02-28 2025-03-19 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for inter prediction
CN120455658A (zh) * 2019-03-08 2025-08-08 交互数字Vc控股公司 用于视频编码或解码的方法和装置
WO2024014896A1 (ko) * 2022-07-13 2024-01-18 엘지전자 주식회사 움직임 정보 리파인먼트에 기반한 영상 부호화/복호화 방법, 비트스트림을 전송하는 방법 및 비트스트림을 저장한 기록 매체
US20240223776A1 (en) * 2023-01-03 2024-07-04 Alibaba (China) Co., Ltd. Intra template matching prediction mode for motion prediction
US20250260831A1 (en) * 2024-02-14 2025-08-14 Tencent America LLC Implicit sub-pel position derivation for template matching-based intra prediction

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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
CN101965733B (zh) * 2008-03-09 2013-08-07 Lg电子株式会社 用于编码或解码视频信号的方法和设备
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

Also Published As

Publication number Publication date
MX2020013844A (es) 2021-03-25
US20240364914A1 (en) 2024-10-31
KR102568199B1 (ko) 2023-08-22
JP2024038060A (ja) 2024-03-19
US20210076059A1 (en) 2021-03-11
KR20230122686A (ko) 2023-08-22
US20220132158A1 (en) 2022-04-28
BR112020026988A2 (pt) 2021-03-30
JP2021530144A (ja) 2021-11-04
CN115442619B (zh) 2025-01-07
US11310521B2 (en) 2022-04-19
US12477142B2 (en) 2025-11-18
US12003754B2 (en) 2024-06-04
WO2020007199A1 (en) 2020-01-09
CN112292861A (zh) 2021-01-29
EP3794826A1 (en) 2021-03-24
KR20210008046A (ko) 2021-01-20
CN115052162A (zh) 2022-09-13
KR102701434B1 (ko) 2024-09-04
CN115442619A (zh) 2022-12-06
CN112292861B (zh) 2022-05-17
SG11202011320SA (en) 2020-12-30
JP7652354B2 (ja) 2025-03-27
EP3794826A4 (en) 2021-03-24

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