DE69735877D1 - Verbessertes Verschärfungsfilter für Bilder - Google Patents

Verbessertes Verschärfungsfilter für Bilder

Info

Publication number
DE69735877D1
DE69735877D1 DE69735877T DE69735877T DE69735877D1 DE 69735877 D1 DE69735877 D1 DE 69735877D1 DE 69735877 T DE69735877 T DE 69735877T DE 69735877 T DE69735877 T DE 69735877T DE 69735877 D1 DE69735877 D1 DE 69735877D1
Authority
DE
Germany
Prior art keywords
images
sharpening filter
improved sharpening
improved
filter
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
DE69735877T
Other languages
German (de)
English (en)
Inventor
Robert E Sobol
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69735877D1 publication Critical patent/DE69735877D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Image Analysis (AREA)
DE69735877T 1996-12-27 1997-09-10 Verbessertes Verschärfungsfilter für Bilder Expired - Lifetime DE69735877D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/775,068 US5854859A (en) 1996-12-27 1996-12-27 Image sharpening filter providing variable sharpening dependent on pixel intensity

Publications (1)

Publication Number Publication Date
DE69735877D1 true DE69735877D1 (de) 2006-06-22

Family

ID=25103230

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69735877T Expired - Lifetime DE69735877D1 (de) 1996-12-27 1997-09-10 Verbessertes Verschärfungsfilter für Bilder

Country Status (4)

Country Link
US (1) US5854859A (https=)
EP (1) EP0851665B1 (https=)
JP (1) JPH10198803A (https=)
DE (1) DE69735877D1 (https=)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001051672A (ja) * 1999-08-05 2001-02-23 Neucore Technol Inc 画像処理装置
US6614944B1 (en) 2000-02-10 2003-09-02 Oak Technology, Inc. Image enhancement filter with adaptive threshold
US7092016B2 (en) 2001-02-09 2006-08-15 Eastman Kodak Company Method and system for motion image digital processing
US7233705B2 (en) * 2001-07-24 2007-06-19 Hewlett-Packard Development Company, L.P. Method and apparatus for reducing inaccuracies when processing color data with a tone map
US20030020933A1 (en) * 2001-07-24 2003-01-30 Youngers Kevin J. Method and apparatus for reducing inaccuracies when processing color data with a matrix
US7545976B2 (en) * 2002-05-01 2009-06-09 Hewlett-Packard Development Company, L.P. Method and apparatus for associating image enhancement with color
JP3789108B2 (ja) * 2002-10-09 2006-06-21 キヤノン株式会社 画像表示装置
US7570808B2 (en) * 2003-08-15 2009-08-04 Arcsoft, Inc. Better picture for inexpensive cameras
JP2005141477A (ja) * 2003-11-06 2005-06-02 Noritsu Koki Co Ltd 画像鮮鋭化処理方法とこの方法を実施する画像処理装置
US7430336B2 (en) * 2004-05-06 2008-09-30 Qualcomm Incorporated Method and apparatus for image enhancement for low bit rate video compression
US8872906B2 (en) 2005-01-05 2014-10-28 Avantis Medical Systems, Inc. Endoscope assembly with a polarizing filter
US8797392B2 (en) 2005-01-05 2014-08-05 Avantis Medical Sytems, Inc. Endoscope assembly with a polarizing filter
KR100645700B1 (ko) * 2005-04-28 2006-11-14 삼성에스디아이 주식회사 주사 구동부 및 이를 이용한 발광 표시장치와 그의 구동방법
WO2007087421A2 (en) 2006-01-23 2007-08-02 Avantis Medical Systems, Inc. Endoscope
US7860334B2 (en) 2006-02-09 2010-12-28 Qualcomm Incorporated Adaptive image filter for filtering image information
JP2009537283A (ja) 2006-05-19 2009-10-29 アヴァンティス メディカル システムズ インコーポレイテッド ビデオアーチファクトの影響を低減するための装置および方法
US8064666B2 (en) 2007-04-10 2011-11-22 Avantis Medical Systems, Inc. Method and device for examining or imaging an interior surface of a cavity
US8532170B2 (en) * 2007-08-29 2013-09-10 Harman International Industries, Incorporated Enhanced presentation of sub-picture information
WO2009049324A1 (en) * 2007-10-11 2009-04-16 Avantis Medical Systems, Inc. Method and device for reducing the fixed pattern noise of a digital image
US8736722B2 (en) 2010-07-15 2014-05-27 Apple Inc. Enhanced image capture sharpening

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4568977A (en) * 1983-06-29 1986-02-04 International Business Machines Corporation On-chip CCD realization of the Laplacian operator for image signal processing
JPS63155273A (ja) * 1986-12-18 1988-06-28 Fujitsu Ltd 画像処理装置
US5113365A (en) * 1989-05-16 1992-05-12 Massachusetts Institute Of Technology Method and charge coupled apparatus for algorithmic computations
US5091925A (en) * 1990-01-18 1992-02-25 Siemens Aktiengesellschaft X-ray diagnostics installation with spatial frequency filtering
NL9100275A (nl) * 1991-02-18 1992-09-16 Oce Nederland Bv Werkwijze voor beeldbewerking, scan/afdruksysteem voor uitvoeren van de werkwijze en beeldselectieeenheid voor toepassing in het scan/afdruksysteem.
EP0531904A3 (en) * 1991-09-10 1993-10-06 Eastman Kodak Company Method and apparatus for spatially variant filtering

Also Published As

Publication number Publication date
JPH10198803A (ja) 1998-07-31
EP0851665A2 (en) 1998-07-01
EP0851665A3 (en) 1999-09-08
US5854859A (en) 1998-12-29
EP0851665B1 (en) 2006-05-17

Similar Documents

Publication Publication Date Title
DE69735877D1 (de) Verbessertes Verschärfungsfilter für Bilder
DE69606332D1 (de) Klarer schutzüberzug für bilder
DE69130236D1 (de) Echtheitsprüfungssystem für Bilder
DE69522380D1 (de) Parallel-Verarbeitungsarchitektur für Bildverarbeitung
DE69729415D1 (de) Wasserintrusionstest für Filter
DE69723809D1 (de) Filtervorrichtung
NO972657D0 (no) Filter for underjordisk bruk
ID18170A (id) Penyaring untuk penggunaan bawah tanah
DE69709451D1 (de) Bilddatengeräuschfilterung
NO972792D0 (no) Filter for underjordisk bruk
DE69714969D1 (de) Verbesserte tiefenschärfe für fotografie
DE59703831D1 (de) Filtervorrichtung für verunreinigungen enthaltende flüssigkeiten
DE69726702D1 (de) Verschärfungsfilter für Bilder mit automatischer Anpassung an Bildsorten
DE69713801D1 (de) Filter für kernbrennstabbündel
DE69729363D1 (de) Filterelement für Filtereinheit
ID16096A (id) Saringan
DE69524827D1 (de) Verbesserungen an Filtern
DE59703307D1 (de) Filter für flüssigkeiten
IT1293052B1 (it) Apparecchio di lettura di immagini
DE59705240D1 (de) Filter
IS4988A (is) Sía
DE69735609D1 (de) Verschlüsselungsverfahren für dreidimensionale Bilder
ID19702A (id) Garpu penyaring
NO961064D0 (no) Slipeapparat for kniver
FI103644B1 (fi) Suodatin

Legal Events

Date Code Title Description
8332 No legal effect for de