DE69126457D1 - Bildverarbeitungsvorrichtung - Google Patents

Bildverarbeitungsvorrichtung

Info

Publication number: DE69126457D1
Authority: DE; Germany
Prior art keywords: image processing; processing device; image; processing
Prior art date: 1990-03-02
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

DE69126457T

Other languages

English (en)

Other versions

DE69126457T2 (de

Inventor

Masahiro Sakamoto

Yasuhide Ueno

Mamoru Osada

Junnosuke Kataoka

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.)

1990-03-02

Filing date

1991-03-01

Publication date

1997-07-17

1990-03-02 Priority claimed from JP5117290A external-priority patent/JP2774647B2/ja

1990-03-02 Priority claimed from JP2051173A external-priority patent/JP2840368B2/ja

1991-03-01 Application filed by Canon Inc filed Critical Canon Inc

1997-07-17 Application granted granted Critical

1997-07-17 Publication of DE69126457D1 publication Critical patent/DE69126457D1/de

1997-11-06 Publication of DE69126457T2 publication Critical patent/DE69126457T2/de

2011-03-02 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/333—Mode signalling or mode changing; Handshaking therefor
- H04N1/33307—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only
- H04N1/33315—Mode signalling or mode changing; Handshaking therefor prior to start of transmission, input or output of the picture signal only reading or reproducing mode only, e.g. sheet size, resolution
- 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
- H04N1/40068—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)
Facsimile Image Signal Circuits (AREA)
Editing Of Facsimile Originals (AREA)
Image Processing (AREA)

DE69126457T 1990-03-02 1991-03-01 Bildverarbeitungsvorrichtung Expired - Fee Related DE69126457T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP5117290A JP2774647B2 (ja)	1990-03-02	1990-03-02	ファクシミリ装置
JP2051173A JP2840368B2 (ja)	1990-03-02	1990-03-02	ファクシミリ装置

Publications (2)

Publication Number	Publication Date
DE69126457D1 true DE69126457D1 (de)	1997-07-17
DE69126457T2 DE69126457T2 (de)	1997-11-06

Family

ID=26391707

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69126457T Expired - Fee Related DE69126457T2 (de)	1990-03-02	1991-03-01	Bildverarbeitungsvorrichtung

Country Status (4)

Country	Link
US (1)	US5235436A (de)
EP (1)	EP0444953B1 (de)
DE (1)	DE69126457T2 (de)
ES (1)	ES2101718T3 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE69018739T2 (de) *	1989-09-06	1995-09-14	Canon Kk	Bildaufzeichnungsgerät.
JP3181622B2 (ja) *	1991-06-07	2001-07-03	キヤノン株式会社	ファクシミリ装置及びファクシミリ装置の制御方法
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
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
JP3222183B2 (ja) *	1992-02-19	2001-10-22	株式会社リコー	画像処理装置
DE69328702T2 (de) *	1992-03-30	2000-10-26	Canon K.K., Tokio/Tokyo	Gerät und Verfahren zur Bildverarbeitung
JP2871960B2 (ja) *	1992-07-23	1999-03-17	キヤノン株式会社	印刷方法及び装置
JPH0640080A (ja) *	1992-07-24	1994-02-15	Brother Ind Ltd	プリンタ
JP2546113B2 (ja) *	1992-12-17	1996-10-23	村田機械株式会社	ファクシミリ装置
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
DE69433603D1 (de) *	1993-10-26	2004-04-15	Canon Kk	Bildverarbeitungsverfahren und -gerät
JP3150525B2 (ja) *	1994-03-15	2001-03-26	京セラミタ株式会社	画像変倍処理装置におけるデータ管理装置
US5765029A (en) *	1996-05-08	1998-06-09	Xerox Corporation	Method and system for fuzzy image classification
US5778156A (en) *	1996-05-08	1998-07-07	Xerox Corporation	Method and system for implementing fuzzy image processing of image data
KR100186582B1 (ko) *	1996-06-29	1999-05-01	김광호	해상도 자동 제어방법
US5987221A (en) *	1997-01-24	1999-11-16	Hewlett-Packard Company	Encoded orphan pixels for discriminating halftone data from text and line art data
JP3384299B2 (ja) *	1997-10-15	2003-03-10	富士ゼロックス株式会社	画像処理装置および画像処理方法
JP3608356B2 (ja) *	1997-11-18	2005-01-12	富士ゼロックス株式会社	画像処理装置、画像処理方法、画像送信装置、画像送信方法
JPH11198452A (ja) *	1998-01-12	1999-07-27	Fuji Photo Film Co Ltd	画像補正方法
JP3907155B2 (ja) *	2000-09-04	2007-04-18	株式会社リコー	画像データ補正装置，画像読取り装置および画像形成装置
JP5006731B2 (ja) *	2007-07-31	2012-08-22	キヤノン株式会社	画像形成装置及び画像補正方法
JP5144161B2 (ja) *	2007-07-31	2013-02-13	キヤノン株式会社	カラー画像形成装置及びカラー画像形成方法
JP5074851B2 (ja) *	2007-07-31	2012-11-14	キヤノン株式会社	画像形成装置および画像形成方法
JP4950798B2 (ja) *	2007-07-31	2012-06-13	キヤノン株式会社	画像形成装置とその制御方法、及び、コンピュータプログラム
JP4666054B2 (ja) *	2008-10-31	2011-04-06	ブラザー工業株式会社	画像処理装置、および画像処理プログラム
US9124841B2 (en) *	2013-11-26	2015-09-01	Xerox Corporation	Connected component analysis with multi-thresholding to segment halftones

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5812472A (ja) *	1981-07-14	1983-01-24	Matsushita Graphic Commun Syst Inc	画信号処理装置
JPS5811941A (ja) *	1981-07-16	1983-01-22	Dainippon Screen Mfg Co Ltd	網目版画像記録装置における絵柄信号と文字信号の処理方法
JPS58105664A (ja) *	1981-12-17	1983-06-23	Nec Corp	フアクシミリ装置
JPH0614685B2 (ja) *	1984-03-29	1994-02-23	株式会社東芝	画像信号処理装置
JPS6110360A (ja) *	1984-06-26	1986-01-17	Canon Inc	画像処理装置
JPS6191772A (ja) *	1984-10-11	1986-05-09	Canon Inc	画像処理装置
US4975786A (en) *	1987-12-28	1990-12-04	Canon Kabushiki Kaisha	Image processing method and apparatus with error diffusion capability
US5008752A (en) *	1989-06-16	1991-04-16	Eastman Kodak Company	Digital image interpolator with multiple interpolation algorithms

1991
- 1991-03-01 US US07/663,435 patent/US5235436A/en not_active Expired - Lifetime
- 1991-03-01 EP EP91301715A patent/EP0444953B1/de not_active Expired - Lifetime
- 1991-03-01 DE DE69126457T patent/DE69126457T2/de not_active Expired - Fee Related
- 1991-03-01 ES ES91301715T patent/ES2101718T3/es not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0444953A3 (en)	1992-12-09
EP0444953B1 (de)	1997-06-11
US5235436A (en)	1993-08-10
ES2101718T3 (es)	1997-07-16
DE69126457T2 (de)	1997-11-06
EP0444953A2 (de)	1991-09-04

Publication	Publication Date	Title
DE69130416D1 (de)	1998-12-03	Bildverarbeitungsgerät
DE69133323D1 (de)	2003-11-06	Bildverarbeitungsgerät
DE69129244D1 (de)	1998-05-20	Bildverarbeitungsgerät
DE69232764D1 (de)	2002-10-10	Bildverarbeitungsgerät
DE69226689D1 (de)	1998-09-24	Bildverarbeitungsgerät
DE69229285D1 (de)	1999-07-01	Bildverarbeitungsgerät
DE69229209D1 (de)	1999-06-24	Bildverarbeitungsgerät
DE69217403D1 (de)	1997-03-27	Bildverarbeitungsgerät
DE69226993D1 (de)	1998-10-22	Bildverarbeitungsgerät
DE69232653D1 (de)	2002-07-25	Bildverarbeitungsgerät
DE69129684D1 (de)	1998-08-06	Bildverarbeitung
DE69125414D1 (de)	1997-05-07	Bildverarbeitungsgerät
DE69227853D1 (de)	1999-01-28	Bildverarbeitungsgerät
DE69209540D1 (de)	1996-05-09	Bildverarbeitungsgerät
DE69216898D1 (de)	1997-03-06	Bildverarbeitungsgerät
DE69126457D1 (de)	1997-07-17	Bildverarbeitungsvorrichtung
DE69103744D1 (de)	1994-10-06	Bildverarbeitungseinrichtung.
DE69225830D1 (de)	1998-07-16	Bildverarbeitungsgerät
DE69132933D1 (de)	2002-03-21	Bildverarbeitungsgerät
DE69223536D1 (de)	1998-01-29	Bildverarbeitungsgerät
DE69227492D1 (de)	1998-12-10	Bildverarbeitungsgerät
DE69227351D1 (de)	1998-11-26	Bildverarbeitungsgerät
DE69127948D1 (de)	1997-11-20	Grafisches Bildverarbeitungsgerät
DE69128733D1 (de)	1998-02-26	Bildverarbeitungsgerät
DE69212192D1 (de)	1996-08-22	Bildverarbeitungsgerät

Legal Events

Date	Code	Title	Description
1998-07-09	8364	No opposition during term of opposition
2008-01-17	8339	Ceased/non-payment of the annual fee