AU702207B2 - Method of and apparatus for compressing and decompressing data and data processing apparatus and network system using the same - Google Patents

Method of and apparatus for compressing and decompressing data and data processing apparatus and network system using the same Download PDF

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Publication number
AU702207B2
AU702207B2 AU12302/97A AU1230297A AU702207B2 AU 702207 B2 AU702207 B2 AU 702207B2 AU 12302/97 A AU12302/97 A AU 12302/97A AU 1230297 A AU1230297 A AU 1230297A AU 702207 B2 AU702207 B2 AU 702207B2
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Australia
Prior art keywords
bit string
data
dictionary
input
bit
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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.)
Ceased
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AU12302/97A
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English (en)
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AU1230297A (en
Inventor
Seiichi Domyo
Yoshiaki Hattori
Hiromasa Murakami
Yutaka Otsu
Hiroshi Yoshiura
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Hitachi Ltd
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Hitachi Ltd
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Publication of AU1230297A publication Critical patent/AU1230297A/en
Application granted granted Critical
Publication of AU702207B2 publication Critical patent/AU702207B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • H03M7/3084—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
    • H03M7/3088—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method employing the use of a dictionary, e.g. LZ78

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Document Processing Apparatus (AREA)
AU12302/97A 1996-01-31 1997-01-24 Method of and apparatus for compressing and decompressing data and data processing apparatus and network system using the same Ceased AU702207B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8-15012 1996-01-31
JP01501296A JP3277792B2 (ja) 1996-01-31 1996-01-31 データ圧縮方法および装置

Publications (2)

Publication Number Publication Date
AU1230297A AU1230297A (en) 1997-08-14
AU702207B2 true AU702207B2 (en) 1999-02-18

Family

ID=11876975

Family Applications (1)

Application Number Title Priority Date Filing Date
AU12302/97A Ceased AU702207B2 (en) 1996-01-31 1997-01-24 Method of and apparatus for compressing and decompressing data and data processing apparatus and network system using the same

Country Status (9)

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US (1) US5872530A (US07943777-20110517-C00090.png)
EP (1) EP0788239A3 (US07943777-20110517-C00090.png)
JP (1) JP3277792B2 (US07943777-20110517-C00090.png)
KR (1) KR100271861B1 (US07943777-20110517-C00090.png)
CN (1) CN1205574C (US07943777-20110517-C00090.png)
AU (1) AU702207B2 (US07943777-20110517-C00090.png)
IN (1) IN190446B (US07943777-20110517-C00090.png)
SG (1) SG55271A1 (US07943777-20110517-C00090.png)
TW (1) TW312771B (US07943777-20110517-C00090.png)

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US7382878B2 (en) * 2001-06-22 2008-06-03 Uponus Technologies, Llc System and method for data encryption
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US6892292B2 (en) * 2002-01-09 2005-05-10 Nec Corporation Apparatus for one-cycle decompression of compressed data and methods of operation thereof
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US20050027717A1 (en) * 2003-04-21 2005-02-03 Nikolaos Koudas Text joins for data cleansing and integration in a relational database management system
CN100412863C (zh) * 2005-08-05 2008-08-20 北京人大金仓信息技术有限公司 一种海量数据紧缩存储方法及执行装置
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KR101385956B1 (ko) * 2007-08-31 2014-04-17 삼성전자주식회사 미디어 신호 인코딩/디코딩 방법 및 장치
KR101499950B1 (ko) 2007-08-31 2015-03-09 엘지이노텍 주식회사 광원 장치
US8326604B2 (en) * 2008-04-24 2012-12-04 International Business Machines Corporation Dictionary for textual data compression and decompression
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CN102388404B (zh) * 2009-04-09 2014-01-01 汤姆森特许公司 编码和解码每个码元可具有三个或更多可能码元值中的一个码元值的码元序列的方法和装置
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Also Published As

Publication number Publication date
EP0788239A2 (en) 1997-08-06
AU1230297A (en) 1997-08-14
US5872530A (en) 1999-02-16
EP0788239A3 (en) 1999-03-17
KR970059917A (ko) 1997-08-12
TW312771B (US07943777-20110517-C00090.png) 1997-08-11
SG55271A1 (en) 1998-12-21
JPH09214352A (ja) 1997-08-15
CN1167951A (zh) 1997-12-17
CN1205574C (zh) 2005-06-08
IN190446B (US07943777-20110517-C00090.png) 2003-07-26
KR100271861B1 (ko) 2000-11-15
JP3277792B2 (ja) 2002-04-22

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