DE68925281T2 - Verfahren zur Hochqualitätskomprimierung von binären Textbildern - Google Patents

Verfahren zur Hochqualitätskomprimierung von binären Textbildern

Info

Publication number
DE68925281T2
DE68925281T2 DE68925281T DE68925281T DE68925281T2 DE 68925281 T2 DE68925281 T2 DE 68925281T2 DE 68925281 T DE68925281 T DE 68925281T DE 68925281 T DE68925281 T DE 68925281T DE 68925281 T2 DE68925281 T2 DE 68925281T2
Authority
DE
Germany
Prior art keywords
high quality
text images
quality compression
binary text
binary
Prior art date
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
DE68925281T
Other languages
English (en)
Other versions
DE68925281D1 (de
Inventor
Dan Shmuel Dr Chevion
Ehud Dov Dr Karnin
Eugeniusz Dr Walach
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE68925281D1 publication Critical patent/DE68925281D1/de
Application granted granted Critical
Publication of DE68925281T2 publication Critical patent/DE68925281T2/de
Anticipated expiration legal-status Critical
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
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE68925281T 1989-08-04 1989-10-10 Verfahren zur Hochqualitätskomprimierung von binären Textbildern Expired - Fee Related DE68925281T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL9122189A IL91221A (en) 1989-08-04 1989-08-04 Binary text compression method

Publications (2)

Publication Number Publication Date
DE68925281D1 DE68925281D1 (de) 1996-02-08
DE68925281T2 true DE68925281T2 (de) 1996-07-11

Family

ID=11060248

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68925281T Expired - Fee Related DE68925281T2 (de) 1989-08-04 1989-10-10 Verfahren zur Hochqualitätskomprimierung von binären Textbildern

Country Status (7)

Country Link
US (1) US5204756A (de)
EP (1) EP0411232B1 (de)
JP (1) JP2531840B2 (de)
CA (1) CA2019133C (de)
DE (1) DE68925281T2 (de)
ES (1) ES2081859T3 (de)
IL (1) IL91221A (de)

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DE69835133T8 (de) 1997-12-03 2007-05-16 Kabushiki Kaisha Toshiba, Kawasaki Verfahren zur Bildinformationsverarbeitung und Verfahren zur Verhinderung von Fälschungen von Zertifikaten und dergleichen
JP2002523845A (ja) * 1998-08-31 2002-07-30 アンティーク・ブックス・インコーポレーテッド 図形表示システムおよび方法
US6507671B1 (en) 1998-12-11 2003-01-14 International Business Machines Corporation Method and system for dropping template from a filled in image
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US6269193B1 (en) 1998-12-21 2001-07-31 Eastman Kodak Company Method for statistically lossless compression of digital projection radiographic images
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JP3904370B2 (ja) * 2000-04-12 2007-04-11 富士通株式会社 データ圧縮処理方法及びその装置
US6778703B1 (en) 2000-04-19 2004-08-17 International Business Machines Corporation Form recognition using reference areas
US6760490B1 (en) 2000-09-28 2004-07-06 International Business Machines Corporation Efficient checking of key-in data entry
US9143546B2 (en) * 2000-10-03 2015-09-22 Realtime Data Llc System and method for data feed acceleration and encryption
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US7417568B2 (en) 2000-10-03 2008-08-26 Realtime Data Llc System and method for data feed acceleration and encryption
US7386046B2 (en) 2001-02-13 2008-06-10 Realtime Data Llc Bandwidth sensitive data compression and decompression
US6937276B2 (en) * 2001-08-22 2005-08-30 Benq Corporation Digital camera with low memory usage
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US8462030B2 (en) * 2004-04-27 2013-06-11 Texas Instruments Incorporated Programmable loop filter for use with a sigma delta analog-to-digital converter and method of programming the same
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US9325682B2 (en) 2007-04-16 2016-04-26 Tailstream Technologies, Llc System for interactive matrix manipulation control of streamed data and media
US11625457B2 (en) 2007-04-16 2023-04-11 Tailstream Technologies, Llc System for interactive matrix manipulation control of streamed data
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US8825409B2 (en) * 2010-09-08 2014-09-02 International Business Machines Corporation Tracing seismic sections to convert to digital format
KR102227912B1 (ko) 2014-01-29 2021-03-15 렐리캔 애널리틱스, 아이엔씨. 최적화된 데이터 콘덴서 및 방법
JP6742692B2 (ja) * 2015-01-30 2020-08-19 富士通株式会社 符号化プログラムおよび伸長プログラム
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Also Published As

Publication number Publication date
EP0411232A3 (en) 1992-01-29
ES2081859T3 (es) 1996-03-16
IL91221A (en) 1995-03-30
JPH03165181A (ja) 1991-07-17
CA2019133C (en) 1995-05-30
US5204756A (en) 1993-04-20
IL91221A0 (en) 1990-03-19
CA2019133A1 (en) 1991-02-04
DE68925281D1 (de) 1996-02-08
EP0411232A2 (de) 1991-02-06
JP2531840B2 (ja) 1996-09-04
EP0411232B1 (de) 1995-12-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee