GB2514595B - Method and apparatus for estimating frequency domain representation of signals - Google Patents

Method and apparatus for estimating frequency domain representation of signals

Info

Publication number
GB2514595B
GB2514595B GB1309689.6A GB201309689A GB2514595B GB 2514595 B GB2514595 B GB 2514595B GB 201309689 A GB201309689 A GB 201309689A GB 2514595 B GB2514595 B GB 2514595B
Authority
GB
United Kingdom
Prior art keywords
signals
frequency domain
domain representation
estimating frequency
estimating
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB1309689.6A
Other languages
English (en)
Other versions
GB2514595A (en
GB201309689D0 (en
Inventor
Antonio Uriguen Jose
Luigi Dragotti Pier
Albert Jean-Louis Blu Thierry
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ip2ipo Innovations Ltd
Chinese University of Hong Kong
Original Assignee
Imperial Innovations Ltd
Chinese University of Hong Kong
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 Imperial Innovations Ltd, Chinese University of Hong Kong filed Critical Imperial Innovations Ltd
Priority to GB1309689.6A priority Critical patent/GB2514595B/en
Publication of GB201309689D0 publication Critical patent/GB201309689D0/en
Priority to EP14736004.4A priority patent/EP3005287A2/en
Priority to US14/894,852 priority patent/US10090872B2/en
Priority to CN201480043658.9A priority patent/CN105814603A/zh
Priority to PCT/GB2014/051671 priority patent/WO2014191771A2/en
Priority to JP2016516250A priority patent/JP6397001B2/ja
Publication of GB2514595A publication Critical patent/GB2514595A/en
Application granted granted Critical
Publication of GB2514595B publication Critical patent/GB2514595B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/12—Edge-based segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/10—Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4053—Scaling of whole images or parts thereof, e.g. expanding or contracting based on super-resolution, i.e. the output image resolution being higher than the sensor resolution
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G06T3/4084—Scaling of whole images or parts thereof, e.g. expanding or contracting in the transform domain, e.g. fast Fourier transform [FFT] domain scaling
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2205/00—Indexing scheme relating to group G06F5/00; Methods or arrangements for data conversion without changing the order or content of the data handled
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Complex Calculations (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Measurement Of Optical Distance (AREA)
  • Editing Of Facsimile Originals (AREA)
GB1309689.6A 2013-05-30 2013-05-30 Method and apparatus for estimating frequency domain representation of signals Expired - Fee Related GB2514595B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB1309689.6A GB2514595B (en) 2013-05-30 2013-05-30 Method and apparatus for estimating frequency domain representation of signals
PCT/GB2014/051671 WO2014191771A2 (en) 2013-05-30 2014-05-30 Method and apparatus
US14/894,852 US10090872B2 (en) 2013-05-30 2014-05-30 Method and apparatus for estimating a frequency domain representation of a signal
CN201480043658.9A CN105814603A (zh) 2013-05-30 2014-05-30 方法和装置
EP14736004.4A EP3005287A2 (en) 2013-05-30 2014-05-30 Method and apparatus
JP2016516250A JP6397001B2 (ja) 2013-05-30 2014-05-30 方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1309689.6A GB2514595B (en) 2013-05-30 2013-05-30 Method and apparatus for estimating frequency domain representation of signals

Publications (3)

Publication Number Publication Date
GB201309689D0 GB201309689D0 (en) 2013-07-17
GB2514595A GB2514595A (en) 2014-12-03
GB2514595B true GB2514595B (en) 2017-10-18

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
GB1309689.6A Expired - Fee Related GB2514595B (en) 2013-05-30 2013-05-30 Method and apparatus for estimating frequency domain representation of signals

Country Status (6)

Country Link
US (1) US10090872B2 (enExample)
EP (1) EP3005287A2 (enExample)
JP (1) JP6397001B2 (enExample)
CN (1) CN105814603A (enExample)
GB (1) GB2514595B (enExample)
WO (1) WO2014191771A2 (enExample)

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US9519819B2 (en) * 2014-07-14 2016-12-13 Fingerprint Cards Ab Method and electronic device for noise mitigation
CN109145476B (zh) * 2018-08-31 2023-05-26 重庆水利电力职业技术学院 用于电力系统信号处理的时域自适应分段复指数级数法
CN111490752B (zh) * 2020-04-22 2024-02-02 广西科技大学 一种用于数字滤波器求取光谱导数的方法
JP7258247B2 (ja) * 2020-11-18 2023-04-14 三菱電機株式会社 レーダ信号処理装置、レーダ装置、及びレーダ信号処理方法
CN113050043A (zh) * 2021-03-26 2021-06-29 浙江工业大学 基于非理想lpf的探地雷达超宽带高斯脉冲fri采样方法
FR3131005B1 (fr) * 2021-12-21 2024-03-22 Centre Nat Rech Scient Lidar statique à grand champ de vue
CN114488217B (zh) * 2021-12-24 2022-11-18 中国人民解放军战略支援部队航天工程大学 基于深度学习的高轨卫星cei信号频率估计方法
CN116187064B (zh) * 2023-02-14 2024-03-12 中国科学院国家空间科学中心 一种连续信号时间序列二阶导数的数值仿真方法
CN116449309B (zh) * 2023-03-06 2026-04-07 西安电子科技大学 一种基于抽稀算法的非线性调频信号产生方法

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FR2255754B1 (enExample) * 1973-12-11 1978-03-17 Ibm France
FR2303326A1 (fr) * 1975-03-05 1976-10-01 Trt Telecom Radio Electr Dispositif de calcul de transformee de fourier discrete
EP1396085B1 (en) * 2001-03-26 2006-11-02 Ecole Polytechnique Fédérale de Lausanne (EPFL) Sampling method, reconstruction method, and device for sampling and/or reconstructing signals
US6662130B1 (en) * 2002-06-13 2003-12-09 Southwest Research Institute Systems and methods for calibrating a distorted signal with another signal of known calibration
US7515704B2 (en) * 2004-01-05 2009-04-07 Telukuntla Krishna Prabhu N V R Method, apparatus and articles incorporating a step size control technique for echo signal cancellation
KR20070001115A (ko) * 2004-01-28 2007-01-03 코닌클리케 필립스 일렉트로닉스 엔.브이. 복소수 값 데이터를 이용하는 오디오 신호 디코딩
US7676113B2 (en) * 2004-11-19 2010-03-09 Hewlett-Packard Development Company, L.P. Generating and displaying spatially offset sub-frames using a sharpening factor
CN100576724C (zh) * 2005-05-18 2009-12-30 株式会社Ntt都科摩 幂级数型前置补偿器及其控制方法
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CN102075464A (zh) * 2011-01-18 2011-05-25 电子科技大学 Tiadc系统通道误差的联合估计及实时校正方法
JP5707202B2 (ja) * 2011-03-29 2015-04-22 パナソニック株式会社 受信装置
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"Sequential local FRI sampling of infinite streams of Diracs", ONATIVIA JON ET AL, 2013 IEEE INT CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP); VANCOUCER, BC; 26-31 MAY 2013, IEEE, PISCATAWAY, NJ, US, pages 5440-5444 *

Also Published As

Publication number Publication date
EP3005287A2 (en) 2016-04-13
JP6397001B2 (ja) 2018-09-26
JP2016529472A (ja) 2016-09-23
CN105814603A (zh) 2016-07-27
WO2014191771A3 (en) 2015-01-22
US20160119007A1 (en) 2016-04-28
US10090872B2 (en) 2018-10-02
WO2014191771A2 (en) 2014-12-04
GB2514595A (en) 2014-12-03
GB201309689D0 (en) 2013-07-17

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 20200530