DE60115546D1 - Verfahren und Vorrichtung zur Verbesserung des Signal-Rauschabstandes unter Verwendung von Wellenstückchen und Schwellenwertverarbeitung von Frequenzen - Google Patents

Verfahren und Vorrichtung zur Verbesserung des Signal-Rauschabstandes unter Verwendung von Wellenstückchen und Schwellenwertverarbeitung von Frequenzen

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Publication number
DE60115546D1
DE60115546D1 DE60115546T DE60115546T DE60115546D1 DE 60115546 D1 DE60115546 D1 DE 60115546D1 DE 60115546 T DE60115546 T DE 60115546T DE 60115546 T DE60115546 T DE 60115546T DE 60115546 D1 DE60115546 D1 DE 60115546D1
Authority
DE
Germany
Prior art keywords
thresholding
frequencies
noise ratio
improving signal
wave chips
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 - Lifetime
Application number
DE60115546T
Other languages
English (en)
Other versions
DE60115546T2 (de
Inventor
David Lloyd Vincent
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.)
Exelis Inc
Original Assignee
ITT Manufacturing Enterprises LLC
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 ITT Manufacturing Enterprises LLC filed Critical ITT Manufacturing Enterprises LLC
Application granted granted Critical
Publication of DE60115546D1 publication Critical patent/DE60115546D1/de
Publication of DE60115546T2 publication Critical patent/DE60115546T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06T2207/20064—Wavelet transform [DWT]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Noise Elimination (AREA)
DE60115546T 2000-05-03 2001-04-26 Verfahren und Vorrichtung zur Verbesserung des Signal-Rauschabstandes unter Verwendung von Wellenstückchen und Schwellenwertverarbeitung von Frequenzen Expired - Lifetime DE60115546T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US563453 2000-05-03
US09/563,453 US6741739B1 (en) 2000-05-03 2000-05-03 Method and apparatus for improving signal to noise ratio using wavelet decomposition and frequency thresholding

Publications (2)

Publication Number Publication Date
DE60115546D1 true DE60115546D1 (de) 2006-01-12
DE60115546T2 DE60115546T2 (de) 2006-08-24

Family

ID=24250547

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60115546T Expired - Lifetime DE60115546T2 (de) 2000-05-03 2001-04-26 Verfahren und Vorrichtung zur Verbesserung des Signal-Rauschabstandes unter Verwendung von Wellenstückchen und Schwellenwertverarbeitung von Frequenzen

Country Status (4)

Country Link
US (1) US6741739B1 (de)
EP (1) EP1170698B1 (de)
DE (1) DE60115546T2 (de)
HK (1) HK1045392B (de)

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US8121848B2 (en) * 2005-09-08 2012-02-21 Pan Pacific Plasma Llc Bases dictionary for low complexity matching pursuits data coding and decoding
US7848584B2 (en) * 2005-09-08 2010-12-07 Monro Donald M Reduced dimension wavelet matching pursuits coding and decoding
US7813573B2 (en) * 2005-09-08 2010-10-12 Monro Donald M Data coding and decoding with replicated matching pursuits
US20070053603A1 (en) * 2005-09-08 2007-03-08 Monro Donald M Low complexity bases matching pursuits data coding and decoding
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US8538189B2 (en) * 2008-11-14 2013-09-17 Ati Technologies Ulc Image noise filter and method
US8620978B2 (en) * 2008-12-31 2013-12-31 St. Jude Medical, Atrial Fibrillation Division, Inc. System and method for filtering electrophysiological signals
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KR20130064483A (ko) * 2011-12-08 2013-06-18 삼성전자주식회사 의료 영상 처리 방법 및 장치
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US10249065B2 (en) 2015-05-08 2019-04-02 Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V Method and device for magnetic resonance imaging with improved sensitivity by noise reduction
CN106384339A (zh) * 2016-09-30 2017-02-08 防城港市港口区高创信息技术有限公司 一种红外夜视图像的增强方法
CN113361427B (zh) * 2021-06-11 2024-03-15 温州大学 基于wt与ga-pnn的复合电能质量扰动分类方法
CN114486162B (zh) * 2022-02-11 2023-03-31 中国空气动力研究与发展中心计算空气动力研究所 一种风洞声学测量实验中声信号分离方法
CN114518563B (zh) * 2022-03-01 2022-09-09 国家卫星海洋应用中心 卫星微波散射计雷达后向散射系数获取方法及相应的装置

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Also Published As

Publication number Publication date
DE60115546T2 (de) 2006-08-24
US6741739B1 (en) 2004-05-25
HK1045392A1 (en) 2002-11-22
HK1045392B (zh) 2006-10-13
EP1170698A2 (de) 2002-01-09
EP1170698A3 (de) 2003-09-17
EP1170698B1 (de) 2005-12-07

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