JP3277792B2 - データ圧縮方法および装置 - Google Patents

データ圧縮方法および装置

Info

Publication number
JP3277792B2
JP3277792B2 JP01501296A JP1501296A JP3277792B2 JP 3277792 B2 JP3277792 B2 JP 3277792B2 JP 01501296 A JP01501296 A JP 01501296A JP 1501296 A JP1501296 A JP 1501296A JP 3277792 B2 JP3277792 B2 JP 3277792B2
Authority
JP
Japan
Prior art keywords
dictionary
bit string
input
index
data
Prior art date
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.)
Expired - Fee Related
Application number
JP01501296A
Other languages
English (en)
Japanese (ja)
Other versions
JPH09214352A (ja
Inventor
誠一 道明
裕 吉浦
芳明 服部
豊 大津
弘真 村上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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
Priority to JP01501296A priority Critical patent/JP3277792B2/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to AU12302/97A priority patent/AU702207B2/en
Priority to EP97101123A priority patent/EP0788239A3/en
Priority to TW086100774A priority patent/TW312771B/zh
Priority to KR1019970002076A priority patent/KR100271861B1/ko
Priority to IN136CA1997 priority patent/IN190446B/en
Priority to SG1997000186A priority patent/SG55271A1/en
Priority to US08/790,063 priority patent/US5872530A/en
Priority to CNB971018677A priority patent/CN1205574C/zh
Publication of JPH09214352A publication Critical patent/JPH09214352A/ja
Application granted granted Critical
Publication of JP3277792B2 publication Critical patent/JP3277792B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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)
JP01501296A 1996-01-31 1996-01-31 データ圧縮方法および装置 Expired - Fee Related JP3277792B2 (ja)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP01501296A JP3277792B2 (ja) 1996-01-31 1996-01-31 データ圧縮方法および装置
EP97101123A EP0788239A3 (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
TW086100774A TW312771B (US07943777-20110517-C00090.png) 1996-01-31 1997-01-24
KR1019970002076A KR100271861B1 (ko) 1996-01-31 1997-01-24 데이타압축, 신장방법 및 장치와 이것을 사용한 데이타처리장치 및 네트워크시스템
AU12302/97A 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
IN136CA1997 IN190446B (US07943777-20110517-C00090.png) 1996-01-31 1997-01-24
SG1997000186A SG55271A1 (en) 1996-01-31 1997-01-27 Method of and apparatus for compressing and decompressing data and data processing apparatus and network system using the same
US08/790,063 US5872530A (en) 1996-01-31 1997-01-28 Method of and apparatus for compressing and decompressing data and data processing apparatus and network system using the same
CNB971018677A CN1205574C (zh) 1996-01-31 1997-01-31 数据压缩、扩展方法和装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
JPH09214352A JPH09214352A (ja) 1997-08-15
JP3277792B2 true JP3277792B2 (ja) 2002-04-22

Family

ID=11876975

Family Applications (1)

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

Country Status (9)

Country Link
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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US6904402B1 (en) * 1999-11-05 2005-06-07 Microsoft Corporation System and iterative method for lexicon, segmentation and language model joint optimization
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US7417568B2 (en) * 2000-10-03 2008-08-26 Realtime Data Llc System and method for data feed acceleration and encryption
US8692695B2 (en) 2000-10-03 2014-04-08 Realtime Data, Llc Methods for encoding and decoding data
US7054953B1 (en) * 2000-11-07 2006-05-30 Ui Evolution, Inc. Method and apparatus for sending and receiving a data structure in a constituting element occurrence frequency based compressed form
US6883035B2 (en) 2000-11-16 2005-04-19 Telefonaktiebolaget Lm Ericsson (Publ) System and method for communicating with temporary compression tables
US6985965B2 (en) * 2000-11-16 2006-01-10 Telefonaktiebolaget Lm Ericsson (Publ) Static information knowledge used with binary compression methods
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US7386046B2 (en) 2001-02-13 2008-06-10 Realtime Data Llc Bandwidth sensitive data compression and decompression
US6606040B2 (en) 2001-02-13 2003-08-12 Mosaid Technologies, Inc. Method and apparatus for adaptive data compression
US7382878B2 (en) * 2001-06-22 2008-06-03 Uponus Technologies, Llc System and method for data encryption
KR20020008101A (ko) * 2001-12-12 2002-01-29 주식회사 애니콤소프트웨어 데이터의 비트 인덱스 압축방법
US6892292B2 (en) * 2002-01-09 2005-05-10 Nec Corporation Apparatus for one-cycle decompression of compressed data and methods of operation thereof
US7143191B2 (en) * 2002-06-17 2006-11-28 Lucent Technologies Inc. Protocol message compression in a wireless communications system
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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
SE530081C2 (sv) * 2005-10-24 2008-02-26 Algotrim Ab Metod och system för datakomprimering
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
US8659451B2 (en) * 2009-11-13 2014-02-25 Universitaet Paderborn Indexing compressed data
US20130270486A1 (en) * 2010-12-21 2013-10-17 Sumitomo Chemical Company, Limited Polymer compound and light-emitting device using same
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US9165008B1 (en) * 2011-12-28 2015-10-20 Teradata Us, Inc. System and method for data compression using a dynamic compression dictionary
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US9467294B2 (en) * 2013-02-01 2016-10-11 Symbolic Io Corporation Methods and systems for storing and retrieving data
US9304703B1 (en) 2015-04-15 2016-04-05 Symbolic Io Corporation Method and apparatus for dense hyper IO digital retention
US9817728B2 (en) 2013-02-01 2017-11-14 Symbolic Io Corporation Fast system state cloning
US10133636B2 (en) 2013-03-12 2018-11-20 Formulus Black Corporation Data storage and retrieval mediation system and methods for using same
US9628108B2 (en) 2013-02-01 2017-04-18 Symbolic Io Corporation Method and apparatus for dense hyper IO digital retention
JP5808360B2 (ja) * 2013-04-08 2015-11-10 日本電信電話株式会社 文字列圧縮及び復元システム並びに方法
JP5808361B2 (ja) * 2013-04-08 2015-11-10 日本電信電話株式会社 文字列圧縮及び復元システム並びに方法
JP6341059B2 (ja) * 2014-10-31 2018-06-13 オムロン株式会社 文字認識装置、文字認識方法、およびプログラム
JP6543922B2 (ja) * 2014-12-10 2019-07-17 富士通株式会社 インデックス生成プログラム
JP6531398B2 (ja) 2015-01-19 2019-06-19 富士通株式会社 プログラム
JP6742692B2 (ja) * 2015-01-30 2020-08-19 富士通株式会社 符号化プログラムおよび伸長プログラム
CN104579360B (zh) 2015-02-04 2018-07-31 华为技术有限公司 一种数据处理的方法和设备
JP2016170750A (ja) 2015-03-16 2016-09-23 富士通株式会社 データ管理プログラム、情報処理装置およびデータ管理方法
JP6256883B2 (ja) * 2015-03-25 2018-01-10 国立大学法人 筑波大学 データ圧縮・解凍システム、データ圧縮方法及びデータ解凍方法、並びにデータ圧縮器及びデータ解凍器
US10061514B2 (en) 2015-04-15 2018-08-28 Formulus Black Corporation Method and apparatus for dense hyper IO digital retention
JP6613669B2 (ja) * 2015-07-14 2019-12-04 富士通株式会社 圧縮プログラム、圧縮方法、情報処理装置、置換プログラムおよび置換方法
JP6536243B2 (ja) * 2015-07-16 2019-07-03 富士通株式会社 符号化プログラム、符号化装置、符号化方法、照合プログラム、照合装置および照合方法
JP6641857B2 (ja) * 2015-10-05 2020-02-05 富士通株式会社 符号化プログラム、符号化方法、符号化装置、復号化プログラム、復号化方法および復号化装置
JP2017126185A (ja) * 2016-01-13 2017-07-20 富士通株式会社 符号化プログラム、符号化方法、符号化装置、復号化プログラム、復号化方法および復号化装置
JP6686639B2 (ja) * 2016-03-31 2020-04-22 富士通株式会社 符号化プログラム、符号化装置、符号化方法、復号化プログラム、復号化装置および復号化方法
JP6648620B2 (ja) 2016-04-19 2020-02-14 富士通株式会社 符号化プログラム、符号化装置および符号化方法
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Also Published As

Publication number Publication date
AU702207B2 (en) 1999-02-18
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

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