DE68929089D1 - Bilderzeugungs- und Verarbeitungsgerät - Google Patents

Bilderzeugungs- und Verarbeitungsgerät

Info

Publication number: DE68929089D1
Authority: DE; Germany
Prior art keywords: imaging; processing equipment; equipment; processing
Prior art date: 1988-06-20
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

DE68929089T

Other languages

English (en)

Inventor

Masatomo Shimizu

Yoshinori Ikeda

Tetsuya Ohnishi

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.)

1988-06-20

Filing date

1989-06-20

Publication date

1999-11-25

1989-06-20 Application filed by Canon Inc filed Critical Canon Inc

1999-11-25 Application granted granted Critical

1999-11-25 Publication of DE68929089D1 publication Critical patent/DE68929089D1/de

2009-06-21 Anticipated expiration legal-status Critical

Status 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
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
- G06T3/403—Edge-driven scaling
- 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
- 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
- H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
- H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern
- H04N1/4056—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern the pattern varying in one dimension only, e.g. dash length, pulse width modulation [PWM]

DE68929089T 1988-06-20 1989-06-20 Bilderzeugungs- und Verarbeitungsgerät Expired - Lifetime DE68929089D1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP15154188		1988-06-20
JP21694888		1988-08-31

Publications (1)

Publication Number	Publication Date
DE68929089D1 true DE68929089D1 (de)	1999-11-25

Family

ID=26480758

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
DE68928928T Expired - Fee Related DE68928928T2 (de)	1988-06-20	1989-06-20	Farbbildverarbeitungsverfahren
DE68929390T Expired - Fee Related DE68929390T2 (de)	1988-06-20	1989-06-20	Bildwiedergabe- und Bildverarbeitungsgerät
DE68929089T Expired - Lifetime DE68929089D1 (de)	1988-06-20	1989-06-20	Bilderzeugungs- und Verarbeitungsgerät

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
DE68928928T Expired - Fee Related DE68928928T2 (de)	1988-06-20	1989-06-20	Farbbildverarbeitungsverfahren
DE68929390T Expired - Fee Related DE68929390T2 (de)	1988-06-20	1989-06-20	Bildwiedergabe- und Bildverarbeitungsgerät

Country Status (4)

Country	Link
US (2)	US5031034A (de)
EP (3)	EP0765075B1 (de)
DE (3)	DE68928928T2 (de)
ES (1)	ES2126625T3 (de)

Families Citing this family (55)

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US5031034A (en) *	1988-06-20	1991-07-09	Canon Kabushiki Kaisha	Image forming and processing apparatus with identification of character portions of images
US5398123A (en) *	1988-08-31	1995-03-14	Canon Kabushiki Kaisha	Image processing method and apparatus capable of automatic color masking
JP3048158B2 (ja) *	1988-10-04	2000-06-05	キヤノン株式会社	カラー画像処理装置
US5119185A (en) *	1989-05-10	1992-06-02	Canon Kabushiki Kaisha	Image processing apparatus including a minimum value signal detector unit
JP3267289B2 (ja) *	1989-05-10	2002-03-18	キヤノン株式会社	カラー画像処理方法
US6181819B1 (en) *	1989-08-02	2001-01-30	Canon Kabushiki Kaisha	Image processing apparatus including means for judging a chromatic portion of an image
JP3015045B2 (ja) *	1989-08-02	2000-02-28	キヤノン株式会社	カラー複写装置及びカラー画像形成装置
US5251023A (en) *	1989-08-02	1993-10-05	Canon Kabushiki Kaisha	Image processing method including means for judging a chromatic portion of an image
JP3099354B2 (ja) *	1989-12-29	2000-10-16	松下電器産業株式会社	画像処理装置及びこの装置を用いたディジタルカラー複写機
JP3176052B2 (ja) *	1990-04-27	2001-06-11	キヤノン株式会社	画像処理装置
US5381248A (en) *	1990-05-04	1995-01-10	Canon Kabushiki Kaisha	Image processing apparatus
DE69122668T2 (de) *	1990-06-20	1997-03-13	Canon Kk	Verfahren und Vorrichtung zur Bildverarbeitung
JP3184512B2 (ja) *	1990-06-20	2001-07-09	キャノン株式会社	画像処理装置、及び画像処理方法
JPH04219067A (ja) *	1990-12-19	1992-08-10	Canon Inc	画像処理方法
JP2978325B2 (ja) *	1992-03-31	1999-11-15	キヤノン株式会社	画像処理方法及びそれを実現するプリンタインタフェース
JP3472312B2 (ja) *	1992-04-10	2003-12-02	富士ゼロックス株式会社	カラー画像処理方法および装置
JPH0630263A (ja) *	1992-07-13	1994-02-04	Mita Ind Co Ltd	カラー画像処理回路
US5428377A (en) *	1992-08-11	1995-06-27	Xerox Corporation	Color spatial filtering for thermal ink jet printers
US5341226A (en) *	1993-04-22	1994-08-23	Xerox Corporation	Automatic image segmentation for color documents
JP3542377B2 (ja) *	1993-06-04	2004-07-14	キヤノン株式会社	画像形成装置及びその方法
JP3161172B2 (ja) *	1993-08-06	2001-04-25	ミノルタ株式会社	符号化装置
JPH0787346A (ja) *	1993-09-10	1995-03-31	Fuji Xerox Co Ltd	カラー画像処理方法および装置
US5596352A (en) *	1993-09-23	1997-01-21	Apple Computer, Inc.	Printing apparatus and method for printing color boundary regions having reduced color bleed
US5933577A (en) *	1993-10-04	1999-08-03	Fuji Xerox Co., Ltd.	Method and apparatus for processing color images
US6515769B1 (en)	1993-10-29	2003-02-04	Canon Kabushiki Kaisha	Image forming apparatus and method
US6744921B1 (en)	1993-12-29	2004-06-01	Canon Kabushiki Kaisha	Image processing apparatus and method that determines the thickness of characters and lines
JP3599367B2 (ja) *	1993-12-29	2004-12-08	キヤノン株式会社	画像処理装置およびその方法
US5553199A (en) *	1994-05-03	1996-09-03	Eastman Kodak Company	Method and apparatus for calibrating a four color printer
DE69528324T2 (de) *	1994-07-29	2003-05-22	Canon Kk	Bildverarbeitungsvorrichtung mit Bildinhaltsdiskriminierung
JP3175498B2 (ja) *	1994-10-14	2001-06-11	セイコーエプソン株式会社	インクジェット式カラー印刷のための黒色領域識別方式
US5712924A (en) *	1994-11-07	1998-01-27	Mita Industrial Co., Ltd.	Image processing apparatus
IL112561A0 (en) *	1995-02-06	1995-05-26	Indigo Nv	High resolution printing
DE69526792T2 (de)	1995-09-29	2002-12-05	Hewlett Packard Co	Bildverarbeitungsgerät und -verfahren
US6259536B1 (en) *	1995-12-27	2001-07-10	Xerox Corporation	Color printing yielding a background dependent black image (i.e. intelligent black)
US6275302B1 (en) *	1995-12-27	2001-08-14	Xerox Corporation	Color printing yielding a background dependent neutral gray image (i.e. intelligent gray)
JP3658093B2 (ja)	1996-07-23	2005-06-08	キヤノン株式会社	画像形成装置及びその制御方法
DE69723014D1 (de) *	1996-08-29	2003-07-31	Canon Kk	Bildverarbeitungsgerät und -verfahren
US5987169A (en) *	1997-08-27	1999-11-16	Sharp Laboratories Of America, Inc.	Method for improving chromatic text resolution in images with reduced chromatic bandwidth
JP3862374B2 (ja)	1997-09-04	2006-12-27	キヤノン株式会社	画像処理装置及び方法
US6480624B1 (en) *	1997-09-30	2002-11-12	Minolta Co., Ltd.	Color discrimination apparatus and method
DE19754488A1 (de) *	1997-12-09	1999-06-10	Thomas Dr Wagner	Vorrichtung und Verfahren zum inhaltsabhängigen Scannen
US6178011B1 (en) *	1998-03-24	2001-01-23	Hewlett-Packard Company	Adaptive image resolution enhancement technology
US7339699B1 (en) *	1999-02-03	2008-03-04	Minolta Co., Ltd.	Image processing apparatus
US6771385B1 (en) *	1999-03-03	2004-08-03	Konica Corporation	Method of using a server connected with a network and a server system
US7054029B1 (en) *	1999-03-09	2006-05-30	Canon Kabushiki Kaisha	Image processing apparatus and method, and storage medium
US7121639B2 (en) *	2002-12-02	2006-10-17	Silverbrook Research Pty Ltd	Data rate equalisation to account for relatively different printhead widths
US20040174570A1 (en) *	2002-12-02	2004-09-09	Plunkett Richard Thomas	Variable size dither matrix usage
US7740347B2 (en) *	2002-12-02	2010-06-22	Silverbrook Research Pty Ltd	Ink usage tracking in a cartridge for a mobile device
US20050210179A1 (en) *	2002-12-02	2005-09-22	Walmsley Simon R	Integrated circuit having random clock or random delay
US7263223B2 (en) *	2003-05-05	2007-08-28	Hewlett-Packard Development Company, L.P.	Image manipulation according to pixel type
US20060092439A1 (en) *	2004-11-02	2006-05-04	Kabushiki Kaisha Toshiba	Printer controller, image forming apparatus, image forming program
JP5206276B2 (ja) *	2008-02-01	2013-06-12	ソニー株式会社	階調変換装置、階調変換方法、及び、プログラム
KR20130057310A (ko) *	2011-11-23	2013-05-31	삼성전자주식회사	화상독취장치 및 화상독취방법
CN103903588B (zh) *	2014-03-21	2017-02-08	京东方科技集团股份有限公司	一种显示方法和显示系统

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JPS57208422A (en) *	1981-06-18	1982-12-21	Fuji Photo Film Co Ltd	Hue judging device
JPS6038973A (ja) *	1983-08-11	1985-02-28	Dainippon Screen Mfg Co Ltd	境界画素の処理方法
US4613931A (en)	1984-05-24	1986-09-23	501 Olympus Corporation	Portable fiberoptic light source for use in hazardous locations
JP2677283B2 (ja) *	1984-06-14	1997-11-17	キヤノン株式会社	カラー画像処理装置
JPS6110360A (ja) *	1984-06-26	1986-01-17	Canon Inc	画像処理装置
JPH07108016B2 (ja) *	1984-11-19	1995-11-15	キヤノン株式会社	カラー画像読み取り装置
JP2537172B2 (ja) *	1984-12-27	1996-09-25	株式会社東芝	カラ−画像入力装置
GB2170373B (en) *	1984-12-28	1989-03-15	Canon Kk	Image processing apparatus
EP0210467B1 (de) *	1985-07-05	1991-06-05	Mita Industrial Co., Ltd.	Bereichanzeigevorrichtung
US4800442A (en) *	1985-08-15	1989-01-24	Canon Kabushiki Kaisha	Apparatus for generating an image from a digital video signal
EP0213891B1 (de) *	1985-08-20	1993-10-27	Canon Kabushiki Kaisha	Bildverarbeitungsgerät
EP0212990B1 (de) *	1985-08-29	1992-10-28	Canon Kabushiki Kaisha	Bildverarbeitungsvorrichtung
US4879595A (en) *	1985-10-22	1989-11-07	Konishiroku Photo Industry Co., Ltd.	Technique for reproducing an image read from a color original
DE3650722T2 (de) *	1985-11-18	1999-12-09	Canon Kk	Bilderzeugungsgerät
JPS62137974A (ja) *	1985-12-12	1987-06-20	Ricoh Co Ltd	画像処理方式
DE3629195A1 (de) *	1986-01-14	1987-07-23	Canon Kk	Farbbildverarbeitungsgeraet
JPS62200976A (ja) *	1986-02-28	1987-09-04	Dainippon Screen Mfg Co Ltd	高分解能２値化画像出力装置
EP0251278B1 (de) *	1986-06-30	1995-11-29	Konica Corporation	Bildverarbeitungsverfahren und Vorrichtung dazu
DE3629396C2 (de) *	1986-08-29	1993-12-23	Agfa Gevaert Ag	Verfahren zur elektronischen Bildverarbeitung
DE3787351T2 (de) *	1986-12-03	1994-01-13	Konishiroku Photo Ind	Farbbildverarbeitungsgerät.
US4878125A (en) *	1987-01-08	1989-10-31	Canon Kabushiki Kaisha	Method and apparatus for image processing with fed-back error correction
US4887150A (en) *	1987-03-16	1989-12-12	Mitsubishi Denki Kabushiki Kaisha	Device for converting video image signals to printing data signals
US4989079A (en) *	1987-10-23	1991-01-29	Ricoh Company, Ltd.	Color correction device and method having a hue area judgement unit
US5001767A (en) *	1987-11-30	1991-03-19	Kabushiki Kaisha Toshiba	Image processing device
US4958218A (en) *	1987-12-16	1990-09-18	Canon Kabushiki Kaisha	Image processing method and apparatus with dot-processing
US5014124A (en) *	1988-02-25	1991-05-07	Ricoh Company, Ltd.	Digital image processing apparatus
JP2683014B2 (ja) *	1988-03-08	1997-11-26	キヤノン株式会社	画像処理方法及び装置
JP2696333B2 (ja) *	1988-03-24	1998-01-14	キヤノン株式会社	カラー画像処理装置
US5031034A (en) *	1988-06-20	1991-07-09	Canon Kabushiki Kaisha	Image forming and processing apparatus with identification of character portions of images
JP2756280B2 (ja) *	1988-11-14	1998-05-25	キヤノン株式会社	カラー画像処理装置
JP2915048B2 (ja) *	1989-04-04	1999-07-05	株式会社リコー	カラー画像処理装置
US5251023A (en) *	1989-08-02	1993-10-05	Canon Kabushiki Kaisha	Image processing method including means for judging a chromatic portion of an image
US5189523A (en) *	1989-11-27	1993-02-23	Canon Kabushiki Kaisha	Image processing apparatus

1989
- 1989-06-19 US US07/367,673 patent/US5031034A/en not_active Expired - Lifetime
- 1989-06-20 EP EP96203313A patent/EP0765075B1/de not_active Expired - Lifetime
- 1989-06-20 ES ES93202383T patent/ES2126625T3/es not_active Expired - Lifetime
- 1989-06-20 EP EP89306214A patent/EP0348145B1/de not_active Expired - Lifetime
- 1989-06-20 DE DE68928928T patent/DE68928928T2/de not_active Expired - Fee Related
- 1989-06-20 DE DE68929390T patent/DE68929390T2/de not_active Expired - Fee Related
- 1989-06-20 EP EP93202383A patent/EP0574095B1/de not_active Expired - Lifetime
- 1989-06-20 DE DE68929089T patent/DE68929089D1/de not_active Expired - Lifetime
1994
- 1994-08-02 US US08/284,290 patent/US5483361A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0765075A2 (de)	1997-03-26
US5483361A (en)	1996-01-09
DE68929390T2 (de)	2002-10-02
EP0765075A3 (de)	1997-06-04
EP0348145B1 (de)	1999-10-20
EP0348145A1 (de)	1989-12-27
EP0765075B1 (de)	2002-04-10
EP0574095B1 (de)	1999-02-03
EP0574095A1 (de)	1993-12-15
DE68928928D1 (de)	1999-03-18
DE68928928T2 (de)	1999-07-29
ES2126625T3 (es)	1999-04-01
US5031034A (en)	1991-07-09
DE68929390D1 (de)	2002-05-16

Legal Events

Date	Code	Title	Description
2000-05-04	8332	No legal effect for de

Publication	Publication Date	Title
DE68929089D1 (de)	1999-11-25	Bilderzeugungs- und Verarbeitungsgerät
DE68928863T2 (de)	1999-05-12	Bildverarbeitungsverfahren und -vorrichtung
DE69329842T2 (de)	2001-04-26	Bildverfahren-und Geräte
DE68929383D1 (de)	2002-04-25	Bildverarbeitungsvorrichtung und -verfahren
DE68927696D1 (de)	1997-03-06	Bildverarbeitungsgerät
DE3855040T2 (de)	1996-07-11	Bildverarbeitungsverfahren und -gerät
DE69030279D1 (de)	1997-04-30	Bildverarbeitungsverfahren und -gerät
DE68926702T2 (de)	1996-12-19	Bildverarbeitungsgerät
DE68928557T2 (de)	1998-05-14	Bildverarbeitungsgerät und -methode
DE68926354T2 (de)	1997-02-06	Bildverarbeitungsgerät
DE68928122D1 (de)	1997-07-17	Bildaufbereitungsgerät
DE68927540T2 (de)	1997-04-24	Datenverarbeitungsgerät
DE69030280T2 (de)	1997-10-30	Bildverarbeitungsvorrichtung und -methode
KR900009194A (ko)	1990-07-02	가공장치
DE68925753T2 (de)	1996-07-11	Bildverarbeitungsverfahren
DE68928254T2 (de)	1997-12-04	Datenverarbeitungsgerät
DE68929337D1 (de)	2001-11-29	Datenverarbeitungsgerät
DE68929437D1 (de)	2003-01-09	Bildverarbeitungsgerät und -verfahren
DE68926832T2 (de)	1996-11-21	Bildverarbeitungsverfahren
DE68914107D1 (de)	1994-04-28	Bildverarbeitungsverfahren und -einrichtung.
KR890022357U (ko)	1989-12-01	맛김 가공장치
DE3855379D1 (de)	1996-07-25	Bildverarbeitungsverfahren
DE68928011T2 (de)	1997-08-14	Datenverarbeitungsgerät
DE3855690D1 (de)	1997-01-16	Bildverarbeitungsverfahren und -gerät
KR930022742U (ko)	1993-11-25	오징어의 가공처리 장치