DE3881225D1 - Verfahren und vorrichtung zur kodierung von bilddaten. - Google Patents

Verfahren und vorrichtung zur kodierung von bilddaten.

Info

Publication number: DE3881225D1
Authority: DE; Germany
Prior art keywords: image data; coding image; coding; data; image
Prior art date: 1987-01-27
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

DE8888200080T

Other languages

English (en)

Other versions

DE3881225T2 (de

Inventor

Dorsselaer Etienne Ludovic Van

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 Production Printing Netherlands BV

Original Assignee

Oce Nederland BV

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.)

1987-01-27

Filing date

1988-01-19

Publication date

1993-07-01

1988-01-19 Application filed by Oce Nederland BV filed Critical Oce Nederland BV

1993-07-01 Publication of DE3881225D1 publication Critical patent/DE3881225D1/de

1993-10-14 Application granted granted Critical

1993-10-14 Publication of DE3881225T2 publication Critical patent/DE3881225T2/de

2008-01-20 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
- H04N1/41—Bandwidth or redundancy reduction
- H04N1/4105—Bandwidth or redundancy reduction for halftone screened pictures

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Compression Of Band Width Or Redundancy In Fax (AREA)
Image Processing (AREA)

DE88200080T 1987-01-27 1988-01-19 Verfahren und Vorrichtung zur Kodierung von Bilddaten. Expired - Fee Related DE3881225T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL8700182A NL8700182A (nl)	1987-01-27	1987-01-27	Werkwijze voor het coderen van beeldinformatie.

Publications (2)

Publication Number	Publication Date
DE3881225D1 true DE3881225D1 (de)	1993-07-01
DE3881225T2 DE3881225T2 (de)	1993-10-14

Family

ID=19849473

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE88200080T Expired - Fee Related DE3881225T2 (de)	1987-01-27	1988-01-19	Verfahren und Vorrichtung zur Kodierung von Bilddaten.

Country Status (5)

Country	Link
US (1)	US4965843A (de)
EP (1)	EP0278548B1 (de)
JP (1)	JP2547337B2 (de)
DE (1)	DE3881225T2 (de)
NL (1)	NL8700182A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH01309464A (ja) *	1988-06-07	1989-12-13	Canon Inc	画像伝送装置
EP0567697A1 (de) *	1992-04-29	1993-11-03	Yiu Keung Chan	Methode für Bildkompression im Raumbereich
US5489991A (en) *	1992-10-09	1996-02-06	International Business Machines Corporation	Method for generating digital halftone images
US5463703A (en) *	1994-02-10	1995-10-31	Lin; Bob	Dither picture data pre-compression processing method
US5734753A (en) *	1995-08-31	1998-03-31	Hewlett-Packard Company	Partial pixel encoding and decoding method
US6201614B1 (en)	1998-12-24	2001-03-13	Electronics For Imaging, Inc.	Dithered image compression system
US8848250B2 (en) *	2012-10-23	2014-09-30	Kyocera Document Solutions Inc.	Compression of halftoned digital images

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3726993A (en) *	1971-12-10	1973-04-10	Xerox Corp	Data compression methods and apparatus
US3967052A (en) *	1975-07-17	1976-06-29	Bell Telephone Laboratories, Incorporated	Image transmission method and apparatus
US4013828A (en) *	1976-02-20	1977-03-22	Bell Telephone Laboratories, Incorporated	Method and arrangement for reducing the bandwidth and/or time required to transmit a dithered image
US4266249A (en) *	1978-09-19	1981-05-05	Bell Telephone Laboratories, Incorporated	Digital encoder for facsimile transmission

1987
- 1987-01-27 NL NL8700182A patent/NL8700182A/nl not_active Application Discontinuation
1988
- 1988-01-19 EP EP88200080A patent/EP0278548B1/de not_active Expired - Lifetime
- 1988-01-19 DE DE88200080T patent/DE3881225T2/de not_active Expired - Fee Related
- 1988-01-26 JP JP63015693A patent/JP2547337B2/ja not_active Expired - Lifetime
- 1988-01-26 US US07/148,593 patent/US4965843A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
NL8700182A (nl)	1988-08-16
JP2547337B2 (ja)	1996-10-23
DE3881225T2 (de)	1993-10-14
US4965843A (en)	1990-10-23
EP0278548A1 (de)	1988-08-17
EP0278548B1 (de)	1993-05-26
JPS63196172A (ja)	1988-08-15

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Legal Events

Date	Code	Title	Description
1994-06-30	8364	No opposition during term of opposition
2002-02-14	8339	Ceased/non-payment of the annual fee