DK0411264T3 - Fremgangsmåde til komprimering - Google Patents

Fremgangsmåde til komprimering

Info

Publication number
DK0411264T3
DK0411264T3 DK90110097.4T DK90110097T DK0411264T3 DK 0411264 T3 DK0411264 T3 DK 0411264T3 DK 90110097 T DK90110097 T DK 90110097T DK 0411264 T3 DK0411264 T3 DK 0411264T3
Authority
DK
Denmark
Prior art keywords
compression
Prior art date
Application number
DK90110097.4T
Other languages
English (en)
Inventor
Luigi Ronchetti
Mario Stroppiana
Original Assignee
Alcatel Italia
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 Alcatel Italia filed Critical Alcatel Italia
Application granted granted Critical
Publication of DK0411264T3 publication Critical patent/DK0411264T3/da

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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DK90110097.4T 1989-06-07 1990-05-28 Fremgangsmåde til komprimering DK0411264T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8920809A IT1230234B (it) 1989-06-07 1989-06-07 Sistema di riduzione della informazione trasmessa nella codifica a lunghezza variabile di blocchi di dati numerici con codifica di valori e di lunghezze di stringhe.

Publications (1)

Publication Number Publication Date
DK0411264T3 true DK0411264T3 (da) 1996-01-29

Family

ID=11172376

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90110097.4T DK0411264T3 (da) 1989-06-07 1990-05-28 Fremgangsmåde til komprimering

Country Status (8)

Country Link
US (1) US5072302A (da)
EP (1) EP0411264B1 (da)
JP (1) JP2919559B2 (da)
DE (1) DE69024422T2 (da)
DK (1) DK0411264T3 (da)
ES (1) ES2080767T3 (da)
GR (1) GR3018545T3 (da)
IT (1) IT1230234B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5453843A (en) * 1993-05-25 1995-09-26 National Semiconductor Corporation Method for fast data compression of half tone images with the use of pre-assigned codes
US5461422A (en) * 1994-05-23 1995-10-24 Industrial Technology Research Institute Quantizer with automatic pre-threshold
GB0217604D0 (en) * 2002-07-30 2002-09-11 Vodafone Ltd Data processing systems and methods

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3502806A (en) * 1966-08-01 1970-03-24 Xerox Corp Modified run length data reduction system
US3560639A (en) * 1966-10-03 1971-02-02 Xerox Corp Cascade run length encoding technique
US4135214A (en) * 1969-07-02 1979-01-16 Dacom, Inc. Method and apparatus for compressing facsimile transmission data
JPS5242017A (en) * 1975-09-29 1977-04-01 Fuji Xerox Co Ltd Run length code processing method for facsimile signal
US4698672A (en) * 1986-10-27 1987-10-06 Compression Labs, Inc. Coding system for reducing redundancy

Also Published As

Publication number Publication date
EP0411264A2 (en) 1991-02-06
JP2919559B2 (ja) 1999-07-12
EP0411264B1 (en) 1995-12-27
IT1230234B (it) 1991-10-18
JPH03113919A (ja) 1991-05-15
US5072302A (en) 1991-12-10
EP0411264A3 (en) 1991-10-30
IT8920809A0 (it) 1989-06-07
DE69024422D1 (de) 1996-02-08
GR3018545T3 (en) 1996-03-31
DE69024422T2 (de) 1996-07-25
ES2080767T3 (es) 1996-02-16

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