SE9704321L - Förfarande och anordning för komprimering av data - Google Patents

Förfarande och anordning för komprimering av data

Info

Publication number
SE9704321L
SE9704321L SE9704321A SE9704321A SE9704321L SE 9704321 L SE9704321 L SE 9704321L SE 9704321 A SE9704321 A SE 9704321A SE 9704321 A SE9704321 A SE 9704321A SE 9704321 L SE9704321 L SE 9704321L
Authority
SE
Sweden
Prior art keywords
representation
data set
pixel
represented
compressed
Prior art date
Application number
SE9704321A
Other languages
English (en)
Other versions
SE521925C2 (sv
SE9704321D0 (sv
Inventor
Martin Larsson
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9704321A priority Critical patent/SE521925C2/sv
Publication of SE9704321D0 publication Critical patent/SE9704321D0/sv
Priority to PCT/SE1998/002120 priority patent/WO1999027714A1/en
Priority to AU13582/99A priority patent/AU1358299A/en
Publication of SE9704321L publication Critical patent/SE9704321L/sv
Publication of SE521925C2 publication Critical patent/SE521925C2/sv

Links

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
SE9704321A 1997-11-21 1997-11-21 Förfarande och anordning vid datakompromering SE521925C2 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9704321A SE521925C2 (sv) 1997-11-21 1997-11-21 Förfarande och anordning vid datakompromering
PCT/SE1998/002120 WO1999027714A1 (en) 1997-11-21 1998-11-23 Method and arrangement relating to data compression
AU13582/99A AU1358299A (en) 1997-11-21 1998-11-23 Method and arrangement relating to data compression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9704321A SE521925C2 (sv) 1997-11-21 1997-11-21 Förfarande och anordning vid datakompromering

Publications (3)

Publication Number Publication Date
SE9704321D0 SE9704321D0 (sv) 1997-11-21
SE9704321L true SE9704321L (sv) 1999-05-22
SE521925C2 SE521925C2 (sv) 2003-12-16

Family

ID=20409107

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9704321A SE521925C2 (sv) 1997-11-21 1997-11-21 Förfarande och anordning vid datakompromering

Country Status (3)

Country Link
AU (1) AU1358299A (sv)
SE (1) SE521925C2 (sv)
WO (1) WO1999027714A1 (sv)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4626824A (en) * 1985-06-11 1986-12-02 International Business Machines Corporation Apparatus and algorithm for compressing and decompressing data
US5187755A (en) * 1988-06-30 1993-02-16 Dainippon Screen Mfg. Co., Ltd. Method of and apparatus for compressing image data
KR930006476B1 (ko) * 1990-09-29 1993-07-16 삼성전자 주식회사 영상처리 시스템의 데이타 변복조방법
JP3313399B2 (ja) * 1991-09-20 2002-08-12 株式会社リコー 画像処理装置
JPH07322074A (ja) * 1994-05-16 1995-12-08 Internatl Business Mach Corp <Ibm> ディザリングされた２レベル・イメージ・ファイルを処理するためのデータ処理装置および方法
US5486826A (en) * 1994-05-19 1996-01-23 Ps Venture 1 Llc Method and apparatus for iterative compression of digital data
EP0797348A3 (en) * 1996-03-22 1999-01-20 Hewlett-Packard Company A one dimensional context model for entropy encoding digital halftone images with arithmetic coding

Also Published As

Publication number Publication date
AU1358299A (en) 1999-06-15
SE521925C2 (sv) 2003-12-16
WO1999027714A1 (en) 1999-06-03
SE9704321D0 (sv) 1997-11-21

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Legal Events

Date Code Title Description
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