DE69223536D1 - Bildverarbeitungsgerät - Google Patents

Bildverarbeitungsgerät

Info

Publication number: DE69223536D1
Authority: DE; Germany
Prior art keywords: image processing; processing device; image; processing
Prior art date: 1991-03-18
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 - Fee Related

Application number

DE69223536T

Other languages

English (en)

Other versions

DE69223536T2 (de

Inventor

Katsutoshi Ushida

Yuichi Bannai

Kunihiro Yamamoto

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.)

1991-03-18

Filing date

1992-03-13

Publication date

1998-01-29

1991-03-18 Priority claimed from JP3052210A external-priority patent/JP2833669B2/ja

1991-03-18 Priority claimed from JP3052211A external-priority patent/JP2833670B2/ja

1992-03-13 Application filed by Canon Inc filed Critical Canon Inc

1998-01-29 Publication of DE69223536D1 publication Critical patent/DE69223536D1/de

1998-04-16 Application granted granted Critical

1998-04-16 Publication of DE69223536T2 publication Critical patent/DE69223536T2/de

2012-03-14 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- H04N1/40075—Descreening, i.e. converting a halftone signal into a corresponding continuous-tone signal; Rescreening, i.e. combined descreening and halftoning
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- 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

Landscapes

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

DE69223536T 1991-03-18 1992-03-13 Bildverarbeitungsgerät Expired - Fee Related DE69223536T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP3052210A JP2833669B2 (ja)	1991-03-18	1991-03-18	画素密度変換方式
JP3052211A JP2833670B2 (ja)	1991-03-18	1991-03-18	画素密度変換方式

Publications (2)

Publication Number	Publication Date
DE69223536D1 true DE69223536D1 (de)	1998-01-29
DE69223536T2 DE69223536T2 (de)	1998-04-16

Family

ID=26392820

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69223536T Expired - Fee Related DE69223536T2 (de)	1991-03-18	1992-03-13	Bildverarbeitungsgerät

Country Status (5)

Country	Link
US (1)	US5717793A (de)
EP (1)	EP0505113B1 (de)
CN (1)	CN1097806C (de)
DE (1)	DE69223536T2 (de)
ES (1)	ES2109979T3 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5157517A (en) *	1991-04-29	1992-10-20	E. I. Du Pont De Nemours And Company	Parallel interpolator for high speed digital image enlargement
US5479584A (en) *	1992-08-28	1995-12-26	Xerox Corporation	Enhanced fidelity reproduction of images with device independent numerical sample output
AU679027B2 (en) *	1993-03-08	1997-06-19	Canon Kabushiki Kaisha	Softstroking of edges for computer graphics
JPH06276520A (ja) *	1993-03-22	1994-09-30	Sony Corp	画像処理装置
US5502140A (en)	1994-10-19	1996-03-26	Hercules Incorporated	Thermally polymerized dicyclopentadiene/vinyl aromatic resins
JP3519186B2 (ja) *	1995-10-20	2004-04-12	富士通株式会社	画像中間調処理装置
JPH09149241A (ja) *	1995-11-24	1997-06-06	Kokusai Electric Co Ltd	画像拡大方法及び画像拡大装置
GB2319687B (en) *	1995-11-24	1998-12-09	Kokusai Electric Co Ltd	An image enhancement method and an image enhancement apparatus
DE19609860C1 (de) *	1996-03-13	1997-09-04	Siemens Ag	Verfahren zur Bearbeitung von Bildpunkten eines Bildsegments durch einen Rechner
US6339479B1 (en) *	1996-11-22	2002-01-15	Sony Corporation	Video processing apparatus for processing pixel for generating high-picture-quality image, method thereof, and video printer to which they are applied
JPH10224690A (ja) *	1996-12-06	1998-08-21	Nikon Corp	情報処理装置および記録媒体
JPH10202962A (ja) *	1997-01-22	1998-08-04	Brother Ind Ltd	印字データ処理装置及び入力データ作成装置
WO1999067943A1 (fr) *	1998-06-23	1999-12-29	Sharp Kabushiki Kaisha	Unite et procede de traitement d'images, et support sur lequel le programme de traitement des images est enregistre
US6404909B2 (en) *	1998-07-16	2002-06-11	General Electric Company	Method and apparatus for processing partial lines of scanned images
US6459822B1 (en)	1998-08-26	2002-10-01	The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration	Video image stabilization and registration
KR100347013B1 (ko) *	2000-02-16	2002-08-03	한국과학기술원	연속 영역 필터링 및 보간 기법을 이용한 영상 스케일링방법 및 장치
JP4023716B2 (ja) *	2001-12-27	2007-12-19	シャープ株式会社	解像度補正装置、解像度補正プログラムおよび解像度補正プログラムを記録したコンピュータ読み取り可能な記録媒体
CN101840567B (zh) *	2010-04-23	2011-09-14	清华大学	保持图像拓扑结构的图像缩小方法
JP6234234B2 (ja)	2014-01-14	2017-11-22	キヤノン株式会社	情報処理装置、情報処理方法、プログラム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS61203785A (ja) *	1985-03-07	1986-09-09	Dainippon Screen Mfg Co Ltd	２値画像デ−タの平滑化処理方法及びその装置
DE3751303T2 (de) *	1986-10-09	1995-11-16	Konishiroku Photo Ind	Bildverarbeitungsgerät mit der Fähigkeit zur Vergrösserungs-/Verkleinerungsoperation.
EP0372950B1 (de) *	1988-12-08	1995-07-05	Canon Kabushiki Kaisha	Bildreduzierungsvorrichtung
EP0658041B1 (de) *	1989-04-10	2000-07-05	Canon Kabushiki Kaisha	Bildverkleinerungsgerät und Verfahren

1992
- 1992-03-13 ES ES92302194T patent/ES2109979T3/es not_active Expired - Lifetime
- 1992-03-13 DE DE69223536T patent/DE69223536T2/de not_active Expired - Fee Related
- 1992-03-13 EP EP92302194A patent/EP0505113B1/de not_active Expired - Lifetime
- 1992-03-18 CN CN92101823.1A patent/CN1097806C/zh not_active Expired - Fee Related
1995
- 1995-01-23 US US08/376,450 patent/US5717793A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CN1065146A (zh)	1992-10-07
ES2109979T3 (es)	1998-02-01
CN1097806C (zh)	2003-01-01
EP0505113A3 (en)	1992-12-23
EP0505113A2 (de)	1992-09-23
EP0505113B1 (de)	1997-12-17
DE69223536T2 (de)	1998-04-16
US5717793A (en)	1998-02-10

Legal Events

Date	Code	Title	Description
1999-01-21	8364	No opposition during term of opposition
2008-01-17	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE69222215T2 (de)	1998-02-19	Bildverarbeitungsgerät
DE69226689T2 (de)	1999-01-28	Bildverarbeitungsgerät
DE69229285T2 (de)	1999-11-04	Bildverarbeitungsgerät
DE69229209D1 (de)	1999-06-24	Bildverarbeitungsgerät
DE69217403T2 (de)	1997-07-10	Bildverarbeitungsgerät
DE69226993D1 (de)	1998-10-22	Bildverarbeitungsgerät
DE69227136D1 (de)	1998-11-05	Bildverarbeitungsgerät
DE69227853T2 (de)	1999-05-27	Bildverarbeitungsgerät
DE69209540D1 (de)	1996-05-09	Bildverarbeitungsgerät
DE69216898D1 (de)	1997-03-06	Bildverarbeitungsgerät
DE69225830T2 (de)	1998-11-12	Bildverarbeitungsgerät
DE69223536T2 (de)	1998-04-16	Bildverarbeitungsgerät
DE69227492D1 (de)	1998-12-10	Bildverarbeitungsgerät
DE69227351T2 (de)	1999-04-29	Bildverarbeitungsgerät
DE69212192D1 (de)	1996-08-22	Bildverarbeitungsgerät
DE69224263T2 (de)	1998-05-28	Bildverarbeitungsgerät
DE69216256T2 (de)	1997-05-15	Bildverarbeitungsgerät
DE69212035T2 (de)	1997-01-09	Bildverarbeitungsgerät
DE69214197D1 (de)	1996-11-07	Bildverarbeitungsgerät
DE69226839T2 (de)	1999-04-22	Bildverarbeitungsgerät
DE69224232T2 (de)	1998-06-10	Bildverarbeitungsgerät
DE69208906T2 (de)	1996-07-25	Bildverarbeitungsgerät
DE69225158D1 (de)	1998-05-28	Bildverarbeitungsgerät
DE69230953D1 (de)	2000-05-31	Bildverarbeitungsgerät