DE398861T1 - Verfahren zur adaptiven schaerfung elektronischer bilder. - Google Patents

Verfahren zur adaptiven schaerfung elektronischer bilder.

Info

Publication number
DE398861T1
DE398861T1 DE199090890131T DE90890131T DE398861T1 DE 398861 T1 DE398861 T1 DE 398861T1 DE 199090890131 T DE199090890131 T DE 199090890131T DE 90890131 T DE90890131 T DE 90890131T DE 398861 T1 DE398861 T1 DE 398861T1
Authority
DE
Germany
Prior art keywords
adaptively
image
high frequency
frequency components
electronic images
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
DE199090890131T
Other languages
English (en)
Inventor
Woo-Jin Waltham Ma 02154 Us Song
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.)
Polaroid Corp
Original Assignee
Polaroid Corp
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 Polaroid Corp filed Critical Polaroid Corp
Publication of DE398861T1 publication Critical patent/DE398861T1/de
Pending legal-status Critical Current

Links

Classifications

    • G06T5/75—
    • 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 by the use of local operators
DE199090890131T 1989-05-15 1990-04-30 Verfahren zur adaptiven schaerfung elektronischer bilder. Pending DE398861T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/351,930 US5038388A (en) 1989-05-15 1989-05-15 Method for adaptively sharpening electronic images

Publications (1)

Publication Number Publication Date
DE398861T1 true DE398861T1 (de) 1991-03-21

Family

ID=23383043

Family Applications (2)

Application Number Title Priority Date Filing Date
DE199090890131T Pending DE398861T1 (de) 1989-05-15 1990-04-30 Verfahren zur adaptiven schaerfung elektronischer bilder.
DE69028946T Expired - Fee Related DE69028946T2 (de) 1989-05-15 1990-04-30 Verfahren zur adaptiven Schärfung elektronischer Bilder

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69028946T Expired - Fee Related DE69028946T2 (de) 1989-05-15 1990-04-30 Verfahren zur adaptiven Schärfung elektronischer Bilder

Country Status (9)

Country Link
US (1) US5038388A (de)
EP (1) EP0398861B1 (de)
JP (1) JP3070860B2 (de)
AT (1) ATE144636T1 (de)
AU (1) AU619971B2 (de)
CA (1) CA2013750C (de)
DE (2) DE398861T1 (de)
ES (1) ES2020797A4 (de)
GR (1) GR900300197T1 (de)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5182778A (en) * 1990-08-31 1993-01-26 Eastman Kodak Company Dot-matrix video enhancement for optical character recognition
US5271064A (en) * 1991-06-14 1993-12-14 University Of Cincinnati Apparatus and method for smoothing regions and enhancing edges in gray scale images
US5524162A (en) * 1991-07-22 1996-06-04 Levien; Raphael L. Method and apparatus for adaptive sharpening of images
EP0531904A3 (en) * 1991-09-10 1993-10-06 Eastman Kodak Company Method and apparatus for spatially variant filtering
US5294989A (en) * 1991-09-17 1994-03-15 Moore Color, Inc. Saturable smoothing grid for image processing
US5327257A (en) * 1992-02-26 1994-07-05 Cymbolic Sciences International Ltd. Method and apparatus for adaptively interpolating a digital image
EP0563846A1 (de) * 1992-03-30 1993-10-06 Matsushita Electric Industrial Co., Ltd. Öffnungskorrektur mit dynamischer Verzerrung zur Benutzung mit einer CCD-Kamera
US5343309A (en) * 1992-08-12 1994-08-30 Xerox Corporation Image processing system and method employing adaptive filtering to provide improved reconstruction of continuous tone images from halftone images including those without a screen structure
US5631979A (en) * 1992-10-26 1997-05-20 Eastman Kodak Company Pixel value estimation technique using non-linear prediction
EP0624848A3 (de) * 1993-05-04 1994-11-30 Eastman Kodak Company Verfahren zur Erkennung und Verbesserung von lokalen Fehlern in numerischen Grautonbildern
CA2128389C (en) * 1993-10-15 1999-05-11 Lawrence Patrick O'gorman Method of reducing document size for digital display
US5710839A (en) * 1994-04-20 1998-01-20 Eastman Kodak Company Method and apparatus for obscuring features of an image
EP0698990B1 (de) * 1994-08-25 1999-02-17 STMicroelectronics S.r.l. Unscharfes Verfahren zur Bildrauschverringerung
US5933540A (en) * 1995-05-11 1999-08-03 General Electric Company Filter system and method for efficiently suppressing noise and improving edge definition in a digitized image
KR100206319B1 (ko) * 1995-12-13 1999-07-01 윤종용 비디오 신호의 로컬 콘트라스트 개선을 위한 방법및장치
GB9600293D0 (en) * 1996-01-08 1996-03-13 Digi Media Vision Ltd Improvements in or relating to noise reduction
JP3999270B2 (ja) * 1996-08-26 2007-10-31 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 鮮鋭度制御
US5768440A (en) * 1996-12-18 1998-06-16 Xerox Corporation Adaptive noise removal for video images with less correction of current pixel for higher variations between surrounding pixels
KR100234316B1 (ko) * 1997-04-04 1999-12-15 윤종용 링잉노이즈 감소를 위한 신호적응 필터링 방법 및 신호적응필터
US6007052A (en) * 1997-06-21 1999-12-28 Raytheon Company System and method for local area image processing
US5867606A (en) * 1997-08-12 1999-02-02 Hewlett-Packard Company Apparatus and method for determining the appropriate amount of sharpening for an image
US6118906A (en) * 1998-02-03 2000-09-12 Eastman Kodak Company Sharpening system adjusted for measured noise of photofinishing images
US6801339B1 (en) * 1998-03-26 2004-10-05 Fuji Photo Film Co., Ltd. Image processing method and apparatus
US6233069B1 (en) * 1998-05-28 2001-05-15 Eastman Kodak Company Digital photofinishing system including film under exposure gamma, scene balance, contrast normalization, and image sharpening digital image processing
US6614474B1 (en) * 1998-08-27 2003-09-02 Polycom, Inc. Electronic pan tilt zoom video camera with adaptive edge sharpening filter
RU2150146C1 (ru) 1998-09-03 2000-05-27 Семенченко Михаил Григорьевич Способ обработки изображения
US6424730B1 (en) 1998-11-03 2002-07-23 Eastman Kodak Company Medical image enhancement method for hardcopy prints
JP4517409B2 (ja) * 1998-11-09 2010-08-04 ソニー株式会社 データ処理装置およびデータ処理方法
JP4147647B2 (ja) * 1998-11-09 2008-09-10 ソニー株式会社 データ処理装置およびデータ処理方法、並びに記録媒体
US6421468B1 (en) * 1999-01-06 2002-07-16 Seiko Epson Corporation Method and apparatus for sharpening an image by scaling elements of a frequency-domain representation
JP4164712B2 (ja) * 1999-02-09 2008-10-15 ソニー株式会社 データ処理装置およびデータ処理方法
US6526179B2 (en) 1999-04-14 2003-02-25 Intel Corporation Compression sensitive sharpening
JP4344964B2 (ja) * 1999-06-01 2009-10-14 ソニー株式会社 画像処理装置および画像処理方法
US6330372B1 (en) * 1999-09-13 2001-12-11 Intel Corporation Compression edge adaptive video and image sharpening and scaling
US6804408B1 (en) 1999-12-22 2004-10-12 Eastman Kodak Company Method for enhancing a digital image with noise-dependent control of texture
AU2001238021A1 (en) * 2000-02-03 2001-08-14 Applied Science Fiction Match blur system and method
EP1134969A1 (de) * 2000-03-13 2001-09-19 Koninklijke Philips Electronics N.V. Bildverbesserung
EP1232649A1 (de) * 2000-03-24 2002-08-21 Koninklijke Philips Electronics N.V. Elektronische schaltung und verfahren zur bildverbesserung
US6856704B1 (en) 2000-09-13 2005-02-15 Eastman Kodak Company Method for enhancing a digital image based upon pixel color
JP4149126B2 (ja) * 2000-12-05 2008-09-10 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 画像処理方法、画像処理装置および画像撮影装置
EP1217826A3 (de) * 2000-12-19 2005-05-25 Konica Corporation Bildverarbeitungsvorrichtung
US6950561B2 (en) * 2001-01-10 2005-09-27 Koninklijke Philips Electronics N.V. Method and system for sharpness enhancement for coded video
JP2002314843A (ja) * 2001-04-11 2002-10-25 Sony Corp 輪郭強調装置及び方法、並びにビデオカメラ
US7130483B2 (en) * 2001-12-12 2006-10-31 Samsung Electronics Co., Ltd. Method for enhancing a digital image while suppressing undershoots and overshoots
US6965702B2 (en) * 2002-02-27 2005-11-15 Eastman Kodak Company Method for sharpening a digital image with signal to noise estimation
AU2003224370A1 (en) * 2002-05-24 2003-12-12 Koninklijke Philips Electronics N.V. Unit for and method of calculating a sharpened edge
US7228004B2 (en) * 2002-09-05 2007-06-05 Eastman Kodak Company Method for sharpening a digital image
US7092582B2 (en) * 2002-11-06 2006-08-15 Digivision, Inc. Systems and methods for multi-dimensional enhancement using fictional border data
US7269296B2 (en) * 2003-01-16 2007-09-11 Samsung Electronics Co., Ltd. Method and apparatus for shoot suppression in image detail enhancement
CN100525380C (zh) * 2003-07-07 2009-08-05 致伸科技股份有限公司 使用模糊屏蔽法进行影像处理的方法
US7391933B2 (en) * 2003-10-30 2008-06-24 Samsung Electronics Co., Ltd. Method and apparatus for image interpolation based on adaptive polyphase filters
WO2005117414A1 (en) * 2004-05-25 2005-12-08 Koninklijke Philips Electronics N.V. Method and system for enhancing the sharpness of a video signal.
US7426314B2 (en) * 2004-07-30 2008-09-16 Hewlett-Packard Development Company, L.P. Adjusting pixels by desired gains and factors
US20060222258A1 (en) * 2005-04-05 2006-10-05 Samsung Electronics Co., Ltd. Image restoration with gain control and shoot suppression
US7881549B2 (en) 2005-10-12 2011-02-01 Panasonic Corporaiton Visual processing device, display device, visual processing method, program, and integrated circuit
KR100800888B1 (ko) * 2005-12-08 2008-02-04 연세대학교 산학협력단 패턴 정보를 이용한 영상잡음 제거방법
US7643698B2 (en) * 2005-12-22 2010-01-05 Apple Inc. Image sharpening using diffusion
JP4240324B2 (ja) * 2006-01-16 2009-03-18 ソニー株式会社 画像処理装置、画像処理方法、画像処理方法のプログラム及び画像処理方法のプログラムを記録した記録媒体
TW200733720A (en) * 2006-02-24 2007-09-01 Pixart Imaging Inc Digital image processing method and the device thereof
JP4523926B2 (ja) * 2006-04-05 2010-08-11 富士通株式会社 画像処理装置、画像処理プログラムおよび画像処理方法
KR101314453B1 (ko) 2006-04-19 2013-10-07 파나소닉 주식회사 시각 처리 장치, 시각 처리 방법, 프로그램, 표시 장치 및 집적 회로
WO2007125732A1 (ja) * 2006-04-28 2007-11-08 Panasonic Corporation 視覚処理装置、視覚処理方法、プログラム、記録媒体、表示装置および集積回路
TWI314301B (en) * 2006-06-30 2009-09-01 Primax Electronics Ltd Adaptive image sharpening method
TWI330036B (en) * 2006-10-27 2010-09-01 Quanta Comp Inc Apparatus for sharpening an image, and method thereof
US7952647B2 (en) * 2006-12-27 2011-05-31 Intel Corporation Method and apparatus of content adaptive detailing filtering for digital pictures
US7769241B2 (en) * 2007-01-09 2010-08-03 Eastman Kodak Company Method of sharpening using panchromatic pixels
US8594451B2 (en) * 2007-03-30 2013-11-26 Omnivision Technologies, Inc. Edge mapping incorporating panchromatic pixels
US20090237530A1 (en) * 2008-03-20 2009-09-24 Ilia Ovsiannikov Methods and apparatuses for sharpening images
US8223230B2 (en) * 2009-05-08 2012-07-17 Qualcomm Incorporated Systems, methods, and apparatus for camera tuning and systems, methods, and apparatus for reference pattern generation
US8456545B2 (en) * 2009-05-08 2013-06-04 Qualcomm Incorporated Systems, methods, and apparatus for generation of reinforcement pattern and systems, methods, and apparatus for artifact evaluation
US8849057B2 (en) * 2011-05-19 2014-09-30 Foveon, Inc. Methods for digital image sharpening with noise amplification avoidance
SE536510C2 (sv) * 2012-02-21 2014-01-14 Flir Systems Ab Bildbehandlingsmetod för detaljförstärkning och brusreduktion
CN103514583B (zh) * 2012-06-30 2016-08-24 华为技术有限公司 图像锐化方法及设备
US9646366B2 (en) * 2012-11-30 2017-05-09 Change Healthcare Llc Method and apparatus for enhancing medical images
US10559073B2 (en) * 2016-03-23 2020-02-11 Intel Corporation Motion adaptive stream processing for temporal noise reduction
WO2020097836A1 (zh) * 2018-11-15 2020-05-22 深圳市欢太科技有限公司 图像处理方法、装置、计算机设备和存储介质
TWI776733B (zh) 2021-11-12 2022-09-01 國立臺灣大學 快速抑制數位影像中的背景高頻雜訊的資料處理方法
EP4345739A1 (de) * 2022-09-30 2024-04-03 Imagination Technologies Limited Adaptive schärfung für pixelblöcke
GB2623070A (en) * 2022-09-30 2024-04-10 Imagination Tech Ltd Adaptive sharpening for blocks of pixels

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072928A (en) * 1975-10-10 1978-02-07 Sangamo Weston, Inc. Industrial system for inspecting and identifying workpieces
US4215414A (en) * 1978-03-07 1980-07-29 Hughes Aircraft Company Pseudogaussian video output processing for digital display
GB2046051B (en) * 1979-03-29 1983-01-26 Philips Electronic Associated Real time histogram modification system for image processing
US4334244A (en) * 1980-07-28 1982-06-08 Magnavox Government And Industrial Electronics Company Adaptive image enhancement system
DE3110222C2 (de) * 1981-03-17 1985-06-20 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur partielle glättenden Retusche bei der elektronischen Farbbildreproduktion
US4517607A (en) * 1981-11-09 1985-05-14 Ricoh Company, Ltd. Method of and apparatus for compensating image in image reproduction system
US4532548A (en) * 1983-01-27 1985-07-30 Hughes Aircraft Company Resolution enhancement and zoom
US4571635A (en) * 1984-02-17 1986-02-18 Minnesota Mining And Manufacturing Company Method of image enhancement by raster scanning
US4633504A (en) * 1984-06-28 1986-12-30 Kla Instruments Corporation Automatic photomask inspection system having image enhancement means
US4683496A (en) * 1985-08-23 1987-07-28 The Analytic Sciences Corporation System for and method of enhancing images using multiband information
US4761819A (en) * 1987-02-27 1988-08-02 Picker International, Inc. Adaptive noise reduction filter for reconstructed images
US4783840A (en) * 1987-12-04 1988-11-08 Polaroid Corporation Method for enhancing image data by noise reduction or sharpening
US4941190A (en) * 1988-07-15 1990-07-10 Minnesota Mining And Manufacturing Company Method and system for enhancement of a digitized image
US4945502A (en) * 1988-12-27 1990-07-31 Eastman Kodak Company Digital image sharpening method using SVD block transform

Also Published As

Publication number Publication date
ATE144636T1 (de) 1996-11-15
CA2013750C (en) 2000-12-12
AU619971B2 (en) 1992-02-06
DE69028946T2 (de) 1997-04-17
ES2020797A4 (es) 1991-10-01
EP0398861A3 (de) 1992-10-07
EP0398861A2 (de) 1990-11-22
US5038388A (en) 1991-08-06
AU5324490A (en) 1990-11-15
CA2013750A1 (en) 1990-11-15
EP0398861B1 (de) 1996-10-23
JP3070860B2 (ja) 2000-07-31
GR900300197T1 (en) 1991-10-10
JPH034680A (ja) 1991-01-10
DE69028946D1 (de) 1996-11-28

Similar Documents

Publication Publication Date Title
ATE144636T1 (de) Verfahren zur adaptiven schärfung elektronischer bilder
ATE387806T1 (de) Verfahren und gerät zur bewegungsartefakten- und geräuschverringerung in videobildverarbeitung
EP0726672A3 (de) Bildverarbeitungsverfahren und -vorrichtung
EP1484717A3 (de) Verbesserung von Röntgenbildern
EP0809209A3 (de) Bildverbesserungsverfahren und -vorrichtung mittels Tiefpassfilterung und Histogrammausgleichung
EP0757477A3 (de) Videosignalverarbeitung und Videokamera
ATE23769T1 (de) Verfahren und schaltungsanordnung zur kontraststeigerung.
EP1215883A3 (de) Adaptives Filterverfahren und -vorrichtung zur Entrasterung abgetasteter Halbtonbilddaten
EP0743617A3 (de) Verfahren und Vorrichtung zur Bildverarbeitung
WO2001022726A8 (en) Finite local enhancement of color video signals
EP1054560A3 (de) Spektruminvertionsgerät und -Verfahren
EP0420418B1 (de) Rauschunterdrückungsschaltungen für Videosignale
JP2655602B2 (ja) 画像強調回路
EP0866602A3 (de) Bildverarbeitungsgerät
GB2023371A (en) Optoelectronic scanner, e.g. for a facsimile system
ATE205009T1 (de) Vorrichtung und verfahren zur bestimmung der qualität eines ausgangssignals, das von einem signalverarbeitungsschaltkreis erzeugt werden soll
FI895756A0 (fi) Foerfarande och anordning foer inskraenkning av nyttobandbredden hos en signal med begraensad medelst kodning av denna signal samt foerfarande och anordning foer dekodning av en kodad signal med begraensad bandbredd.
JP2832954B2 (ja) 画像強調回路
JPS6336185B2 (de)
EP0451283B1 (de) Verarbeitungsschaltung für videosignale
JP2726426B2 (ja) イメージデータ処理装置
JPS58166874A (ja) 画像処理方式
KR950019712A (ko) 적외선 센서 구동회로
EP0921677A3 (de) Bildaufnahmevorichtung versehen mit Konturkompensationsschaltung, Bildausgabeschaltung und elektronischer Zoomschaltung
KR100284686B1 (ko) 화상입력장치