DE69026320T2 - Halbtonbilddatenkomprimierungsverfahren und -vorrichtung - Google Patents

Halbtonbilddatenkomprimierungsverfahren und -vorrichtung

Info

Publication number: DE69026320T2
Authority: DE; Germany
Prior art keywords: image data; data compression; compression method; halftone image; halftone
Prior art date: 1989-07-27
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

DE69026320T

Other languages

English (en)

Other versions

DE69026320D1 (de

Inventor

Shigeru Yoshida

Yasuhiko Nakano

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.)

Fujitsu Ltd

Original Assignee

Fujitsu Ltd

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.)

1989-07-27

Filing date

1990-07-25

Publication date

1996-09-05

1990-07-25 Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd

1996-05-09 Publication of DE69026320D1 publication Critical patent/DE69026320D1/de

1996-09-05 Application granted granted Critical

1996-09-05 Publication of DE69026320T2 publication Critical patent/DE69026320T2/de

2010-07-26 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/005—Statistical coding, e.g. Huffman, run length coding
- 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

DE69026320T 1989-07-27 1990-07-25 Halbtonbilddatenkomprimierungsverfahren und -vorrichtung Expired - Fee Related DE69026320T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1194619A JPH088642B2 (ja)	1989-07-27	1989-07-27	網点画像データ圧縮装置

Publications (2)

Publication Number	Publication Date
DE69026320D1 DE69026320D1 (de)	1996-05-09
DE69026320T2 true DE69026320T2 (de)	1996-09-05

Family

ID=16327546

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69026320T Expired - Fee Related DE69026320T2 (de)	1989-07-27	1990-07-25	Halbtonbilddatenkomprimierungsverfahren und -vorrichtung

Country Status (4)

Country	Link
US (1)	US5177622A (de)
EP (1)	EP0410739B1 (de)
JP (1)	JPH088642B2 (de)
DE (1)	DE69026320T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0630280A (ja) *	1991-03-19	1994-02-04	Nec Eng Ltd	２値画像データのブロック別選択型符号化前処理方式
US5502439A (en) *	1994-05-16	1996-03-26	The United States Of America As Represented By The United States Department Of Energy	Method for compression of binary data
JP3278297B2 (ja) *	1994-07-20	2002-04-30	富士通株式会社	データ圧縮方法及びデータ復元方法並びにデータ圧縮装置及びデータ復元装置
JP3150856B2 (ja) *	1994-10-12	2001-03-26	株式会社リコー	画像処理方法
WO1996036164A2 (en) *	1995-05-09	1996-11-14	Apple Computer, Inc.	Method and apparatus for compressing image data
US5864711A (en) *	1995-07-05	1999-01-26	Microsoft Corporation	System for determining more accurate translation between first and second translator, and providing translated data to second computer if first translator is more accurate
US6911987B1 (en)	1995-07-05	2005-06-28	Microsoft Corporation	Method and system for transmitting data for a shared application
US5689255A (en) *	1995-08-22	1997-11-18	Hewlett-Packard Company	Method and apparatus for compressing and decompressing image data
US5874907A (en) *	1997-09-19	1999-02-23	International Business Machines Corporation	Method and apparatus for providing improved data compression efficiency for an adaptive data compressor
JP3730385B2 (ja) *	1997-12-05	2006-01-05	株式会社東芝	デ−タ圧縮装置
US6038346A (en) *	1998-01-29	2000-03-14	Seiko Espoo Corporation	Runs of adaptive pixel patterns (RAPP) for lossless image compression
JP2009268147A (ja) *	1999-12-20	2009-11-12	Honda Tadashi	イメージデータ圧縮方法及び復元方法
JP4424845B2 (ja)	1999-12-20	2010-03-03	本田正	イメージデータ圧縮方法及び復元方法
US6798543B1 (en)	2000-09-13	2004-09-28	Sharp Laboratories Of America Inc.	Method and apparatus for compression and decompression of halftoned images
US7418664B2 (en) *	2002-04-03	2008-08-26	Microsoft Corporation	Application sharing single document sharing
US7028266B2 (en)	2002-04-05	2006-04-11	Microsoft Corporation	Processing occluded windows during application sharing
US8756513B1 (en)	2002-04-23	2014-06-17	Microsoft Corporation	Document viewing mechanism for document sharing environment
US7293243B1 (en)	2002-05-22	2007-11-06	Microsoft Corporation	Application sharing viewer presentation
US7356563B1 (en)	2002-06-06	2008-04-08	Microsoft Corporation	Methods of annotating a collaborative application display
US7005957B2 (en) *	2004-05-29	2006-02-28	Tsung-Mou Yu	Mechanism for trip-free of the bimetallic plate of a safety switch device
AU2005248949B2 (en) *	2005-12-23	2010-04-01	Canon Kabushiki Kaisha	Efficient Halftone Image Compression
JP4985645B2 (ja) *	2006-05-17	2012-07-25	富士通株式会社	画像データ圧縮装置、圧縮方法及びプログラム並びに画像データ復元装置、復元方法及びプログラム
BE1025127B1 (de) *	2017-04-10	2018-11-16	Phoenix Contact Gmbh & Co	Kommunikationssystem zur seriellen Kommunikation zwischen Kommunikationsgeräten

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2253378C3 (de) *	1972-10-31	1981-02-19	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Verfahren und Anordnung zur Codierung von Faksimilesignalen
JPS5412515A (en) *	1977-06-29	1979-01-30	Ricoh Co Ltd	Data compression system
JPS5666971A (en) *	1979-11-05	1981-06-05	Dainippon Screen Mfg Co Ltd	Picture data compressing method
JPS5989469U (ja) *	1982-12-03	1984-06-16	株式会社オ−エム製作所	ジヤケツト形成用の中子板
US4794461A (en) *	1986-09-10	1988-12-27	Netexpress Systems, Inc.	Method and apparatus for block coding vertical mode codes for enhanced compression of image data
JP2670273B2 (ja) *	1987-09-30	1997-10-29	株式会社東芝	画像処理装置

1989
- 1989-07-27 JP JP1194619A patent/JPH088642B2/ja not_active Expired - Fee Related
1990
- 1990-07-25 DE DE69026320T patent/DE69026320T2/de not_active Expired - Fee Related
- 1990-07-25 EP EP90308177A patent/EP0410739B1/de not_active Expired - Lifetime
- 1990-07-27 US US07/558,445 patent/US5177622A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0410739B1 (de)	1996-04-03
EP0410739A3 (en)	1992-06-03
DE69026320D1 (de)	1996-05-09
JPH0358574A (ja)	1991-03-13
US5177622A (en)	1993-01-05
EP0410739A2 (de)	1991-01-30
JPH088642B2 (ja)	1996-01-29

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Legal Events

Date	Code	Title	Description
1997-04-30	8364	No opposition during term of opposition
2005-05-12	8339	Ceased/non-payment of the annual fee