DE69813931D1 - Filterverfahren zur Fokussierung von Bildern - Google Patents

Filterverfahren zur Fokussierung von Bildern

Info

Publication number
DE69813931D1
DE69813931D1 DE69813931T DE69813931T DE69813931D1 DE 69813931 D1 DE69813931 D1 DE 69813931D1 DE 69813931 T DE69813931 T DE 69813931T DE 69813931 T DE69813931 T DE 69813931T DE 69813931 D1 DE69813931 D1 DE 69813931D1
Authority
DE
Germany
Prior art keywords
filtering method
focusing images
focusing
images
filtering
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
DE69813931T
Other languages
English (en)
Other versions
DE69813931T2 (de
Inventor
Davide Carlini
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.)
Esaote SpA
Original Assignee
Esaote SpA
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 Esaote SpA filed Critical Esaote SpA
Application granted granted Critical
Publication of DE69813931D1 publication Critical patent/DE69813931D1/de
Publication of DE69813931T2 publication Critical patent/DE69813931T2/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
    • G06T5/20—Image enhancement or restoration using local operators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Automatic Focus Adjustment (AREA)
  • Blocking Light For Cameras (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
DE69813931T 1997-02-21 1998-02-19 Filterverfahren zur Fokussierung von Bildern Expired - Lifetime DE69813931T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT97SV000011A IT1294043B1 (it) 1997-02-21 1997-02-21 Procedimento di filtratura passa-alto per la messa a fuoco di immagini, in particolare di immagini digitali.
ITSV970011 1997-02-21

Publications (2)

Publication Number Publication Date
DE69813931D1 true DE69813931D1 (de) 2003-06-05
DE69813931T2 DE69813931T2 (de) 2004-02-26

Family

ID=11408208

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69813931T Expired - Lifetime DE69813931T2 (de) 1997-02-21 1998-02-19 Filterverfahren zur Fokussierung von Bildern

Country Status (5)

Country Link
US (1) US6141461A (de)
EP (1) EP0860794B1 (de)
DE (1) DE69813931T2 (de)
ES (1) ES2197391T3 (de)
IT (1) IT1294043B1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU766343B2 (en) * 1998-10-09 2003-10-16 Motorola Australia Pty Ltd A method and apparatus for detecting focus of a digital image
US6320987B1 (en) * 1998-10-16 2001-11-20 Neo Paradigm Labs, Inc. Pre-DCT residue filter
US6738502B1 (en) * 1999-06-04 2004-05-18 Kairos Scientific, Inc. Multispectral taxonomic identification
EP1269414B1 (de) * 2000-03-30 2003-10-22 BRITISH TELECOMMUNICATIONS public limited company Verarbeitung von bildern
EP1246473A1 (de) * 2001-03-27 2002-10-02 Koninklijke Philips Electronics N.V. Bildaufnahmegerät versehen mit Konturkompensationsschaltung und in diesem Gerät durchgeführtes Verfahren
US7822285B2 (en) * 2004-05-20 2010-10-26 Omnivision Technologies, Inc. Methods and systems for locally adaptive image processing filters
JP2006119723A (ja) * 2004-10-19 2006-05-11 Canon Inc 画像処理装置、画像処理方法
DE102004061507B4 (de) * 2004-12-21 2007-04-12 Siemens Ag Verfahren zur Korrektur von Inhomogenitäten in einem Bild sowie bildgebende Vorrichtung dazu
JP4621944B2 (ja) * 2005-01-19 2011-02-02 株式会社メガチップス 画像フィルタ装置、方法およびコンピュータプログラム
KR100696162B1 (ko) * 2006-08-11 2007-03-20 엠텍비젼 주식회사 이미지의 노이즈 감소 장치 및 노이즈 감소 방법, 이를수행하는 프로그램이 기록된 기록 매체
US20080284854A1 (en) * 2007-05-18 2008-11-20 Dts, Inc. System and method of static pattern removal from movies captured using a digital CCD camera
TWI387319B (zh) * 2009-06-02 2013-02-21 Novatek Microelectronics Corp 影像處理電路及方法
US9995766B2 (en) * 2009-06-16 2018-06-12 The Regents Of The University Of California Methods and systems for measuring a property of a macromolecule
US9870375B2 (en) * 2013-12-20 2018-01-16 Nvidia Corporation Image analysis of display content for dynamic adjustment of a continuous scan display
US9830871B2 (en) 2014-01-03 2017-11-28 Nvidia Corporation DC balancing techniques for a variable refresh rate display
US9711099B2 (en) 2014-02-26 2017-07-18 Nvidia Corporation Techniques for avoiding and remedying DC bias buildup on a flat panel variable refresh rate display
US9940898B2 (en) 2016-02-25 2018-04-10 Nvidia Corporation Variable refresh rate video capture and playback

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731865A (en) * 1986-03-27 1988-03-15 General Electric Company Digital image correction
US5070465A (en) * 1987-02-25 1991-12-03 Sony Corporation Video image transforming method and apparatus
JP3092024B2 (ja) * 1991-12-09 2000-09-25 松下電器産業株式会社 画像処理方法

Also Published As

Publication number Publication date
US6141461A (en) 2000-10-31
EP0860794A1 (de) 1998-08-26
DE69813931T2 (de) 2004-02-26
IT1294043B1 (it) 1999-03-15
ITSV970011A1 (it) 1998-08-21
ITSV970011A0 (it) 1997-02-21
ES2197391T3 (es) 2004-01-01
EP0860794B1 (de) 2003-05-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ESAOTE S.P.A., MILANO, IT

R082 Change of representative

Ref document number: 860794

Country of ref document: EP

Representative=s name: DR. HOFFMEISTER & BISCHOF, DE