JPH10198803A5 - - Google Patents

Info

Publication number
JPH10198803A5
JPH10198803A5 JP1997348357A JP34835797A JPH10198803A5 JP H10198803 A5 JPH10198803 A5 JP H10198803A5 JP 1997348357 A JP1997348357 A JP 1997348357A JP 34835797 A JP34835797 A JP 34835797A JP H10198803 A5 JPH10198803 A5 JP H10198803A5
Authority
JP
Japan
Prior art keywords
pixel value
pixels
threshold
laplacian filter
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.)
Pending
Application number
JP1997348357A
Other languages
English (en)
Japanese (ja)
Other versions
JPH10198803A (ja
Filing date
Publication date
Priority claimed from US08/775,068 external-priority patent/US5854859A/en
Application filed filed Critical
Publication of JPH10198803A publication Critical patent/JPH10198803A/ja
Publication of JPH10198803A5 publication Critical patent/JPH10198803A5/ja
Pending legal-status Critical Current

Links

JP9348357A 1996-12-27 1997-12-17 濾波方法および濾波装置 Pending JPH10198803A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US775,068 1996-12-27
US08/775,068 US5854859A (en) 1996-12-27 1996-12-27 Image sharpening filter providing variable sharpening dependent on pixel intensity

Publications (2)

Publication Number Publication Date
JPH10198803A JPH10198803A (ja) 1998-07-31
JPH10198803A5 true JPH10198803A5 (enExample) 2005-07-21

Family

ID=25103230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9348357A Pending JPH10198803A (ja) 1996-12-27 1997-12-17 濾波方法および濾波装置

Country Status (4)

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

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
US8797392B2 (en) 2005-01-05 2014-08-05 Avantis Medical Sytems, Inc. Endoscope assembly with a polarizing filter
US8310530B2 (en) 2006-05-19 2012-11-13 Avantis Medical Systems, Inc. Device and method for reducing effects of video artifacts
US8872906B2 (en) 2005-01-05 2014-10-28 Avantis Medical Systems, 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
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

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