IT8920809A0 - Sistema di riduzione della formazione trasmessa nella codifica a lunghezza variabile di blocchi di dati numerici con codifica di valori e di lunghezze di stringhe. - Google Patents

Sistema di riduzione della formazione trasmessa nella codifica a lunghezza variabile di blocchi di dati numerici con codifica di valori e di lunghezze di stringhe.

Info

Publication number
IT8920809A0
IT8920809A0 IT8920809A IT2080989A IT8920809A0 IT 8920809 A0 IT8920809 A0 IT 8920809A0 IT 8920809 A IT8920809 A IT 8920809A IT 2080989 A IT2080989 A IT 2080989A IT 8920809 A0 IT8920809 A0 IT 8920809A0
Authority
IT
Italy
Prior art keywords
coding
lengths
reducing
data blocks
variable length
Prior art date
Application number
IT8920809A
Other languages
English (en)
Other versions
IT1230234B (it
Inventor
Luigi Ronchetti
Mario Stroppiana
Original Assignee
Elettra S P A
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 Elettra S P A filed Critical Elettra S P A
Priority to IT8920809A priority Critical patent/IT1230234B/it
Publication of IT8920809A0 publication Critical patent/IT8920809A0/it
Priority to DE69024422T priority patent/DE69024422T2/de
Priority to ES90110097T priority patent/ES2080767T3/es
Priority to EP90110097A priority patent/EP0411264B1/en
Priority to DK90110097.4T priority patent/DK0411264T3/da
Priority to US07/533,522 priority patent/US5072302A/en
Priority to JP2147526A priority patent/JP2919559B2/ja
Application granted granted Critical
Publication of IT1230234B publication Critical patent/IT1230234B/it
Priority to GR950403330T priority patent/GR3018545T3/el

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
IT8920809A 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. IT1230234B (it)

Priority Applications (8)

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.
DE69024422T DE69024422T2 (de) 1989-06-07 1990-05-28 Komprimierungsverfahren
ES90110097T ES2080767T3 (es) 1989-06-07 1990-05-28 Metodo de compresion.
EP90110097A EP0411264B1 (en) 1989-06-07 1990-05-28 Compression method
DK90110097.4T DK0411264T3 (da) 1989-06-07 1990-05-28 Fremgangsmåde til komprimering
US07/533,522 US5072302A (en) 1989-06-07 1990-06-05 System for reducing the information transmitted in the variable length encoding of numerical data blocks with encoding of values and string lengths
JP2147526A JP2919559B2 (ja) 1989-06-07 1990-06-07 値およびストリング長のコード化により数値データブロックの可変長コード化で伝送される情報を圧縮する方法
GR950403330T GR3018545T3 (en) 1989-06-07 1995-12-28 Compression method

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 (2)

Publication Number Publication Date
IT8920809A0 true IT8920809A0 (it) 1989-06-07
IT1230234B IT1230234B (it) 1991-10-18

Family

ID=11172376

Family Applications (1)

Application Number Title Priority Date Filing Date
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.

Country Status (8)

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

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
GR3018545T3 (en) 1996-03-31
US5072302A (en) 1991-12-10
IT1230234B (it) 1991-10-18
EP0411264A3 (en) 1991-10-30
EP0411264A2 (en) 1991-02-06
JP2919559B2 (ja) 1999-07-12
DK0411264T3 (da) 1996-01-29
EP0411264B1 (en) 1995-12-27
DE69024422D1 (de) 1996-02-08
ES2080767T3 (es) 1996-02-16
DE69024422T2 (de) 1996-07-25
JPH03113919A (ja) 1991-05-15

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