DE69433603D1 - Bildverarbeitungsverfahren und -gerät - Google Patents

Bildverarbeitungsverfahren und -gerät

Info

Publication number: DE69433603D1
Authority: DE; Germany
Prior art keywords: image processing; processing method; image; processing
Prior art date: 1993-10-26
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

DE69433603T

Other languages

English (en)

Inventor

Yoshihiro Ishida

Shinichiro Koga

Nobuyuki Shigeeda

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.)

Canon Inc

Original Assignee

Canon Inc

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.)

1993-10-26

Filing date

1994-10-25

Publication date

2004-04-15

1993-10-26 Priority claimed from JP5267103A external-priority patent/JP3054299B2/ja

1994-06-17 Priority claimed from JP6135887A external-priority patent/JPH087091A/ja

1994-06-17 Priority claimed from JP6135886A external-priority patent/JP3054315B2/ja

1994-10-25 Application filed by Canon Inc filed Critical Canon Inc

2004-04-15 Application granted granted Critical

2004-04-15 Publication of DE69433603D1 publication Critical patent/DE69433603D1/de

2014-10-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000003672 processing method Methods 0.000 title 1

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
- H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
- H04N1/393—Enlarging or reducing
- H04N1/3935—Enlarging or reducing with modification of image resolution, i.e. determining the values of picture elements at new relative positions
- 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
- 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
- G06T5/00—Image enhancement or restoration
- G06T5/77—Retouching; Inpainting; Scratch removal
- 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
- H04N1/40062—Discrimination between different image types, e.g. two-tone, continuous tone
- 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
- G06T2207/20004—Adaptive image processing
- G06T2207/20012—Locally adaptive

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Image Processing (AREA)
Editing Of Facsimile Originals (AREA)
Controls And Circuits For Display Device (AREA)

DE69433603T 1993-10-26 1994-10-25 Bildverarbeitungsverfahren und -gerät Expired - Lifetime DE69433603D1 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP5267103A JP3054299B2 (ja)	1993-10-26	1993-10-26	画像処理装置及びその方法
JP6135887A JPH087091A (ja)	1994-06-17	1994-06-17	画像処理方法及びその装置
JP6135886A JP3054315B2 (ja)	1994-06-17	1994-06-17	画像処理方法及びその装置

Publications (1)

Publication Number	Publication Date
DE69433603D1 true DE69433603D1 (de)	2004-04-15

Family

ID=27317172

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69433603T Expired - Lifetime DE69433603D1 (de)	1993-10-26	1994-10-25	Bildverarbeitungsverfahren und -gerät

Country Status (3)

Country	Link
US (1)	US5832141A (de)
EP (1)	EP0650287B1 (de)
DE (1)	DE69433603D1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3357776B2 (ja) *	1996-01-17	2002-12-16	シャープ株式会社	画像処理方法
JP3667002B2 (ja) *	1996-09-11	2005-07-06	キヤノン株式会社	画像処理方法及び装置
US5987221A (en) *	1997-01-24	1999-11-16	Hewlett-Packard Company	Encoded orphan pixels for discriminating halftone data from text and line art data
JPH118814A (ja) *	1997-06-17	1999-01-12	Futaba Corp	デジタル写真処理システム
JPH1132208A (ja) *	1997-07-10	1999-02-02	Matsushita Graphic Commun Syst Inc	画像変倍処理装置
AU9582498A (en) *	1997-09-26	1999-04-12	Trident Systems Inc	System, method and medium for increasing compression of an image while minimizing image degradation
US6633411B1 (en) *	1998-04-01	2003-10-14	International Business Machines Corporation	Method and apparatus for repurposing binary images
EP1838084A3 (de)	1998-06-23	2007-12-26	Sharp Kabushiki Kaisha	Bildverarbeitungsvorrichtung, Bildverarbeitungsverfahren und Medium, auf dem das Bildverarbeitungsprogramm aufgezeichnet ist
WO2000024189A1 (en) *	1998-10-19	2000-04-27	Fujitsu Limited	Printing apparatus and method
DE69940564D1 (de) *	1999-01-08	2009-04-23	Macronix Int Co Ltd	Gerät und verafhren zur skalierung eines bildes mit lokal ausgewählten interpolationsfunktionen
JP2000238338A (ja) *	1999-02-23	2000-09-05	Matsushita Electric Ind Co Ltd	画像処理装置
JP2001060247A (ja) *	1999-06-14	2001-03-06	Fuji Xerox Co Ltd	画像処理装置および画像処理方法
KR20010102116A (ko) *	1999-12-15	2001-11-15	요트.게.아. 롤페즈	감열식 프린터를 위한 프린트 데이터 적응 수단
JP2002262078A (ja) *	2001-03-02	2002-09-13	Minolta Co Ltd	画像処理装置及び画像形成装置
JP2002335398A (ja) *	2001-05-11	2002-11-22	Fujitsu Ltd	画像処理方法、画像処理装置及び画像形成装置
JP3898075B2 (ja) *	2002-03-18	2007-03-28	株式会社リコー	画像処理装置、画像処理方法及び記録媒体
JP3778172B2 (ja) *	2003-03-25	2006-05-24	コニカミノルタビジネステクノロジーズ株式会社	画像処理装置
JP4377622B2 (ja) *	2003-07-16	2009-12-02	オリンパス株式会社	シェーディング補正装置
KR100698845B1 (ko) *	2005-12-28	2007-03-22	삼성전자주식회사	인물 외형 추출 알고리즘을 이용한 영상 편집 방법 및 그장치
KR100855020B1 (ko) *	2007-06-18	2008-08-28	성균관대학교산학협력단	체인 코드 생성 장치 및 방법
JP4640508B2 (ja) *	2009-01-09	2011-03-02	ソニー株式会社	画像処理装置、画像処理方法、プログラム、及び撮像装置
JP5381487B2 (ja) *	2009-08-14	2014-01-08	富士通株式会社	出力装置、出力方法及び出力プログラム
US8477377B2 (en) *	2009-12-09	2013-07-02	Infoprint Solutions Company Llc	Mechanism for integration of print quality enhancement (PQE) and multi-bit halftone data
US20110164108A1 (en) *	2009-12-30	2011-07-07	Fivefocal Llc	System With Selective Narrow FOV and 360 Degree FOV, And Associated Methods
JP5073773B2 (ja) *	2010-04-08	2012-11-14	シャープ株式会社	画像処理装置、画像形成装置、画像処理方法及びプログラム
JP5482668B2 (ja) *	2011-01-04	2014-05-07	コニカミノルタ株式会社	画像処理装置およびプログラム
JP5705173B2 (ja) *	2012-06-25	2015-04-22	京セラドキュメントソリューションズ株式会社	画像処理装置および画像形成装置
GB2514410A (en) *	2013-05-24	2014-11-26	Ibm	Image scaling for images including low resolution text
JP5825306B2 (ja) *	2013-08-26	2015-12-02	コニカミノルタ株式会社	画像変倍装置および画像変倍方法
US9076236B2 (en)	2013-09-12	2015-07-07	At&T Intellectual Property I, L.P.	Guided image upsampling using bitmap tracing
JP5875637B2 (ja) *	2013-12-19	2016-03-02	キヤノン株式会社	画像処理装置、画像処理方法
US9418312B2 (en) *	2014-07-30	2016-08-16	Lexmark International Technology, SA	Coarse document classification

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4296405A (en) *	1978-05-02	1981-10-20	Gulf & Western Corporation	Device for converting analog signals from a natural leaf scanner into digital signals and method of operating same
US4307377A (en) *	1979-11-09	1981-12-22	Bell Telephone Laboratories, Incorporated	Vector coding of computer graphics material
JPS5881383A (ja) *	1981-11-11	1983-05-16	Dainippon Screen Mfg Co Ltd	２値画像のデ−タ圧縮方法
JPS5930179A (ja) *	1982-08-10	1984-02-17	Agency Of Ind Science & Technol	パタ−ンの線分近似方式
FR2540263B1 (fr) *	1983-01-31	1988-05-20	Commissariat Energie Atomique	Procede de reconnaissance automatique d'une image a partir d'une image correspondante de reference
US4686580A (en) *	1983-02-10	1987-08-11	Canon Kabushiki Kaisha	Method and apparatus for changing image size
US4628532A (en) *	1983-07-14	1986-12-09	Scan Optics, Inc.	Alphanumeric handprint recognition
JPS60120482A (ja) *	1983-12-02	1985-06-27	Canon Inc	画像信号処理装置
JPS6199461A (ja) *	1984-10-22	1986-05-17	Dainippon Printing Co Ltd	画像デ−タの処理方法
GB2170373B (en) *	1984-12-28	1989-03-15	Canon Kk	Image processing apparatus
US4668995A (en) *	1985-04-12	1987-05-26	International Business Machines Corporation	System for reproducing mixed images
FR2582426B1 (fr) *	1985-05-22	1987-07-24	Telemecanique Electrique	Procede et dispositif pour identifier les contours fermes d'objets places sur une surface
NL8501845A (nl) *	1985-06-27	1987-01-16	Oce Nederland B V Patents And	Werkwijze voor het vergroten/verkleinen van ditherbeelden.
JPS6282484A (ja) *	1985-10-07	1987-04-15	Canon Inc	線形図形の変換方法
US4797945A (en) *	1985-12-13	1989-01-10	Canon Kabushiki Kaisha	Image data coding apparatus
US5214718A (en) *	1986-10-06	1993-05-25	Ampex Systems Corporation	Scan-in polygonal extraction of video images
US5073959A (en) *	1986-10-24	1991-12-17	Canon Kabushiki Kaisha	Image processing apparatus with contour extraction
JP2589298B2 (ja) *	1987-01-28	1997-03-12	キヤノン株式会社	符号化画像データの復号化装置
JP3014097B2 (ja) *	1987-02-20	2000-02-28	株式会社日立製作所	輪郭追跡方法及びシステム
JPH01106671A (ja) *	1987-10-20	1989-04-24	Sanyo Electric Co Ltd	画像処理回路
DE3839299C2 (de) *	1987-11-20	1995-06-01	Canon Kk	Bildverarbeitungseinrichtung
US5197108A (en) *	1988-03-31	1993-03-23	Ricoh Company, Ltd.	Smoothing method and apparatus for smoothing contour of character
JP2737877B2 (ja) *	1988-03-31	1998-04-08	株式会社リコー	ドット文字パターンの平滑化方式
JP2765874B2 (ja) *	1988-10-13	1998-06-18	キヤノン株式会社	通信処理装置
US5007098A (en) *	1988-12-30	1991-04-09	Ezel, Inc.	Vectorizing method
EP0378754A3 (de) *	1989-01-19	1992-03-18	Hewlett-Packard Company	Polygonglättungsverfahren
US5073960A (en) *	1989-05-18	1991-12-17	Sharp Kabushiki Kaisha	Image processing method using improved Bresenham algorithm in creating an outline of a figure to be painted and apparatus adopting the method
CA2020627C (en) *	1989-07-07	1995-06-27	Yuzo Koike	Image processing apparatus
EP0415648B1 (de) *	1989-08-31	1998-05-20	Canon Kabushiki Kaisha	Vorrichtung zur Bildverarbeitung
JPH0722330B2 (ja) *	1990-01-10	1995-03-08	富士ゼロックス株式会社	画像処理装置の画像領域識別方式
JP3142550B2 (ja) *	1990-02-21	2001-03-07	株式会社リコー	図形処理装置
DE69126457T2 (de) *	1990-03-02	1997-11-06	Canon Kk	Bildverarbeitungsvorrichtung
US5305116A (en) *	1990-04-06	1994-04-19	Canon Kabushiki Kaisha	Image transmission device
US5050222A (en) *	1990-05-21	1991-09-17	Eastman Kodak Company	Polygon-based technique for the automatic classification of text and graphics components from digitized paper-based forms
JPH0458378A (ja) *	1990-06-28	1992-02-25	Mitsubishi Heavy Ind Ltd	ベジエ曲線を分割して展開する方法
JPH0493894A (ja) *	1990-08-03	1992-03-26	Canon Inc	文字処理方法および装置
JP3026592B2 (ja) *	1990-10-22	2000-03-27	キヤノン株式会社	輪郭抽出方法及びその装置
US5430525A (en) *	1990-11-30	1995-07-04	Canon Kabushiki Kaisha	Image processing apparatus
US5227871A (en) *	1990-11-30	1993-07-13	Canon Kabushiki Kaisha	Image processing apparatus capable of discriminating a predetermined image
CA2063785C (en) *	1991-03-25	1998-09-29	Masahiro Funada	Image processing apparatus
EP0506469B1 (de) *	1991-03-29	1997-09-17	Canon Kabushiki Kaisha	Bildverarbeitungsgerät
US5459587A (en) *	1991-05-02	1995-10-17	Minolta Camera Kabushiki Kaisha	Processing apparatus capable of discriminating between pseudo half-tone/non-half-tone image data based upon the number of adjacencies of similar type of pixels within a block
US5270837A (en) *	1991-09-27	1993-12-14	Apple Computer, Inc.	Method and apparatus for enabling intelligent post-processing of differing data types
JP3280083B2 (ja) *	1991-09-30	2002-04-30	キヤノン株式会社	画像処理装置及び画像処理方法
JP3049672B2 (ja) *	1991-12-26	2000-06-05	キヤノン株式会社	画像処理方法及び装置
US5566003A (en) *	1992-01-21	1996-10-15	Canon Kabushiki Kaisha	Image processing system in which the transmitter and receiver have different data resolutions and data is transmitted at the receiver resolution
EP0553762B1 (de) *	1992-01-27	2000-05-03	Canon Kabushiki Kaisha	Bildverarbeitungs-Verfahren und Vorrichtung
US5644366A (en) *	1992-01-29	1997-07-01	Canon Kabushiki Kaisha	Image reproduction involving enlargement or reduction of extracted contour vector data for binary regions in images having both binary and halftone regions
KR950006033B1 (ko) *	1992-04-30	1995-06-07	삼성전자주식회사	화상배율 변환방법 및 그 장치
JP2954426B2 (ja) *	1992-06-26	1999-09-27	キヤノン株式会社	画像処理方法及び装置
JP2967011B2 (ja) *	1992-12-28	1999-10-25	キヤノン株式会社	画像処理方法及び装置

1994
- 1994-10-25 DE DE69433603T patent/DE69433603D1/de not_active Expired - Lifetime
- 1994-10-25 EP EP94116820A patent/EP0650287B1/de not_active Expired - Lifetime
1997
- 1997-04-07 US US08/826,876 patent/US5832141A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0650287A3 (de)	1997-09-10
EP0650287B1 (de)	2004-03-10
US5832141A (en)	1998-11-03
EP0650287A2 (de)	1995-04-26

Legal Events

Date	Code	Title	Description
2004-12-16	8332	No legal effect for de

Publication	Publication Date	Title
DE69429464D1 (de)	2002-01-31	Bildverarbeitungsverfahren- und gerät
DE69429962D1 (de)	2002-04-04	Bildverarbeitungsvorrichtung und -verfahren
DE69430464T2 (de)	2002-10-31	Bildverarbeitungsgerät und -verfahren
DE69427497D1 (de)	2001-07-26	Bildverarbeitungsvorrichtung und -verfahren
DE69429854D1 (de)	2002-03-21	Bildverarbeitungsverfahren und -gerät
DE69433603D1 (de)	2004-04-15	Bildverarbeitungsverfahren und -gerät
DE69232992T2 (de)	2003-12-11	Bildverarbeitungsverfahren und -Gerät
DE69325765D1 (de)	1999-09-02	Bildverarbeitungsgerät und -verfahren
DE69324290T2 (de)	1999-09-16	Bildverarbeitungsverfahren und -gerät
DE69329983T2 (de)	2001-08-02	Bildverarbeitungsverfahren und -vorrichtung
DE69326210D1 (de)	1999-10-07	Bildverarbeitungsvorrichtung und -verfahren
DE69324874T2 (de)	1999-10-14	Bildverarbeitungsverfahren und -gerät
DE69323222D1 (de)	1999-03-11	Bildbearbeitungsverfahren und -vorrichtung
DE69324301T2 (de)	1999-09-30	Bildverarbeitungsvorrichtung und -verfahren
DE69415712D1 (de)	1999-02-18	Bildverarbeitungsverfahren und -vorrichtung
DE69329449T2 (de)	2001-03-08	Bildverarbeitungsvorrichtung und -verfahren
DE69426792D1 (de)	2001-04-12	Bildverarbeitungsverfahren und -gerät
DE69325883D1 (de)	1999-09-09	Bildverarbeitungsverfahren und -gerät
DE69421448T2 (de)	2000-05-04	Bildverarbeitungsverfahren und -gerät
DE69325543T2 (de)	2000-03-30	Bildverarbeitungsverfahren und -vorrichtung
DE69419693D1 (de)	1999-09-02	Bildverarbeitungsverfahren und -vorrichtung
DE69425807D1 (de)	2000-10-12	Bildverarbeitungsgerät und -verfahren
DE69427935D1 (de)	2001-09-20	Bildverarbeitungsvorrichtung und -verfahren
KR950703183A (ko)	1995-08-23	화상 처리 방법 및 장치(Image Processing Method and Device Therefor)
DE69415906D1 (de)	1999-02-25	Bildverarbeitungsverfahren und -gerät