IL91221A - Binary text compression method - Google Patents

Binary text compression method

Info

Publication number
IL91221A
IL91221A IL9122189A IL9122189A IL91221A IL 91221 A IL91221 A IL 91221A IL 9122189 A IL9122189 A IL 9122189A IL 9122189 A IL9122189 A IL 9122189A IL 91221 A IL91221 A IL 91221A
Authority
IL
Israel
Prior art keywords
pixels
compression
accordance
array
black
Prior art date
Application number
IL9122189A
Other languages
English (en)
Hebrew (he)
Other versions
IL91221A0 (en
Original Assignee
Ibm Israel
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 Ibm Israel filed Critical Ibm Israel
Priority to IL9122189A priority Critical patent/IL91221A/en
Priority to EP89810766A priority patent/EP0411232B1/fr
Priority to ES89810766T priority patent/ES2081859T3/es
Priority to DE68925281T priority patent/DE68925281T2/de
Publication of IL91221A0 publication Critical patent/IL91221A0/xx
Priority to CA002019133A priority patent/CA2019133C/fr
Priority to JP2177224A priority patent/JP2531840B2/ja
Priority to US07/559,734 priority patent/US5204756A/en
Publication of IL91221A publication Critical patent/IL91221A/en

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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (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)
IL9122189A 1989-08-04 1989-08-04 Binary text compression method IL91221A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IL9122189A IL91221A (en) 1989-08-04 1989-08-04 Binary text compression method
EP89810766A EP0411232B1 (fr) 1989-08-04 1989-10-10 Procédé pour la compression à haute qualité d'images de texte binaires
ES89810766T ES2081859T3 (es) 1989-08-04 1989-10-10 Metodo para la compresion de alta calidad mediante imagenes de texto binarias.
DE68925281T DE68925281T2 (de) 1989-08-04 1989-10-10 Verfahren zur Hochqualitätskomprimierung von binären Textbildern
CA002019133A CA2019133C (fr) 1989-08-04 1990-06-15 Methode de compression a haute qualite d'images de texte binaires
JP2177224A JP2531840B2 (ja) 1989-08-04 1990-07-04 ２進テキスト画像の高品質圧縮法
US07/559,734 US5204756A (en) 1989-08-04 1990-07-30 Method for high-quality compression of binary text images

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
IL91221A0 IL91221A0 (en) 1990-03-19
IL91221A true IL91221A (en) 1995-03-30

Family

ID=11060248

Family Applications (1)

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

Country Status (7)

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

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Also Published As

Publication number Publication date
IL91221A0 (en) 1990-03-19
CA2019133C (fr) 1995-05-30
US5204756A (en) 1993-04-20
DE68925281T2 (de) 1996-07-11
EP0411232B1 (fr) 1995-12-27
EP0411232A2 (fr) 1991-02-06
EP0411232A3 (en) 1992-01-29
ES2081859T3 (es) 1996-03-16
JP2531840B2 (ja) 1996-09-04
CA2019133A1 (fr) 1991-02-04
DE68925281D1 (de) 1996-02-08
JPH03165181A (ja) 1991-07-17

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