AU2001226952A1 - Data compression having more effective compression - Google Patents

Data compression having more effective compression

Info

Publication number
AU2001226952A1
AU2001226952A1 AU2001226952A AU2695201A AU2001226952A1 AU 2001226952 A1 AU2001226952 A1 AU 2001226952A1 AU 2001226952 A AU2001226952 A AU 2001226952A AU 2695201 A AU2695201 A AU 2695201A AU 2001226952 A1 AU2001226952 A1 AU 2001226952A1
Authority
AU
Australia
Prior art keywords
compression
effective
data
data compression
effective compression
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.)
Abandoned
Application number
AU2001226952A
Inventor
Simon Richard Jones
Jose Luis Nunez Yanez
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.)
BTG International Ltd
Original Assignee
BTG International 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
Application filed by BTG International Ltd filed Critical BTG International Ltd
Publication of AU2001226952A1 publication Critical patent/AU2001226952A1/en
Abandoned 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
    • 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
    • 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
    • H03M7/55—Compression Theory, e.g. compression of random number, repeated compression
    • 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
    • H03M7/3084—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
    • 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
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6005—Decoder aspects
    • 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
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6011—Encoder aspects
AU2001226952A 2000-01-25 2001-01-22 Data compression having more effective compression Abandoned AU2001226952A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0001707 2000-01-25
GBGB0001707.9A GB0001707D0 (en) 2000-01-25 2000-01-25 Data compression having more effective compression
PCT/GB2001/000230 WO2001056168A1 (en) 2000-01-25 2001-01-22 Data compression having more effective compression

Publications (1)

Publication Number Publication Date
AU2001226952A1 true AU2001226952A1 (en) 2001-08-07

Family

ID=9884318

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001226952A Abandoned AU2001226952A1 (en) 2000-01-25 2001-01-22 Data compression having more effective compression

Country Status (8)

Country Link
US (2) US6667699B2 (en)
EP (1) EP1252715A1 (en)
JP (1) JP2003521189A (en)
KR (1) KR20020075889A (en)
AU (1) AU2001226952A1 (en)
CA (1) CA2398062A1 (en)
GB (1) GB0001707D0 (en)
WO (1) WO2001056168A1 (en)

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GB0102572D0 (en) * 2001-02-01 2001-03-21 Btg Int Ltd Apparatus to provide fast data compression
US20030018647A1 (en) * 2001-06-29 2003-01-23 Jan Bialkowski System and method for data compression using a hybrid coding scheme
US20040022312A1 (en) * 2002-07-31 2004-02-05 Jones Simon R. Lossless data compression
US7430340B2 (en) * 2004-03-16 2008-09-30 Advanced Tracking Technologies, Inc. Geographic information data base engine
US20060184832A1 (en) * 2005-02-11 2006-08-17 International Business Machines Corporation Method and apparatus for achieving high cycle/trace compression depth by adding width
US7596729B2 (en) * 2006-06-30 2009-09-29 Micron Technology, Inc. Memory device testing system and method using compressed fail data
JPWO2009022531A1 (en) 2007-08-13 2010-11-11 日本電気株式会社 Data compression / decompression method
US7870160B2 (en) * 2008-04-14 2011-01-11 Objectif Lune Inc. Block compression algorithm
US8417730B2 (en) * 2008-04-14 2013-04-09 Objectif Lune Inc. Block compression algorithm
FR2933793B1 (en) * 2008-07-11 2013-07-05 Canon Kk METHODS OF ENCODING AND DECODING, BY REFERENCING, VALUES IN A STRUCTURED DOCUMENT, AND ASSOCIATED SYSTEMS.
US9438413B2 (en) 2010-01-08 2016-09-06 Novell, Inc. Generating and merging keys for grouping and differentiating volumes of files
US9298722B2 (en) * 2009-07-16 2016-03-29 Novell, Inc. Optimal sequential (de)compression of digital data
US8782734B2 (en) * 2010-03-10 2014-07-15 Novell, Inc. Semantic controls on data storage and access
US9292594B2 (en) 2010-03-10 2016-03-22 Novell, Inc. Harvesting relevancy data, including dynamic relevancy agent based on underlying grouped and differentiated files
US8832103B2 (en) 2010-04-13 2014-09-09 Novell, Inc. Relevancy filter for new data based on underlying files
CN103283149B (en) * 2010-12-28 2016-05-11 国际商业机器公司 For the treatment of the apparatus and method of data element sequence
WO2012090584A1 (en) 2010-12-28 2012-07-05 インターナショナル・ビジネス・マシーンズ・コーポレーション Device and method for determining search starting point
US9798732B2 (en) 2011-01-06 2017-10-24 Micro Focus Software Inc. Semantic associations in data
US8732660B2 (en) 2011-02-02 2014-05-20 Novell, Inc. User input auto-completion
US8442986B2 (en) 2011-03-07 2013-05-14 Novell, Inc. Ranking importance of symbols in underlying grouped and differentiated files based on content
US9323769B2 (en) 2011-03-23 2016-04-26 Novell, Inc. Positional relationships between groups of files
WO2013180732A1 (en) * 2012-06-01 2013-12-05 Hewlett-Packard Development Company, L.P. Merging data from a source location into a target location
US8947270B2 (en) 2013-06-29 2015-02-03 Intel Corporation Apparatus and method to accelerate compression and decompression operations
CN104124981A (en) * 2014-06-26 2014-10-29 陕西凯鑫源科技有限公司 K multi-run coding method for storage and transmission of mass information of Internet of vehicles
US9691483B1 (en) * 2016-09-20 2017-06-27 Hewlett Packard Enterprise Development Lp Content addressable memory with banks
US11122095B2 (en) 2019-09-23 2021-09-14 Netapp, Inc. Methods for dictionary-based compression and devices thereof
JP2021145281A (en) 2020-03-13 2021-09-24 キオクシア株式会社 Compression device, and decompression device and method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473326A (en) * 1990-12-14 1995-12-05 Ceram Incorporated High speed lossless data compression method and apparatus using side-by-side sliding window dictionary and byte-matching adaptive dictionary
US5389922A (en) * 1993-04-13 1995-02-14 Hewlett-Packard Company Compression using small dictionaries with applications to network packets
US5521597A (en) * 1993-08-02 1996-05-28 Mircosoft Corporation Data compression for network transport
AU1514795A (en) 1993-12-30 1995-08-01 Connectix Corporation Lossless data compression system and method
US5701125A (en) * 1994-06-15 1997-12-23 The United States Of America As Represented By The United States Department Of Energy Method for compression of data using single pass LZSS and run-length encoding
US5889818A (en) 1994-06-24 1999-03-30 Norand Corporation Adaptive display refresh and data compression in a radio frequency environment
US5861827A (en) * 1996-07-24 1999-01-19 Unisys Corporation Data compression and decompression system with immediate dictionary updating interleaved with string search
US6075470A (en) * 1998-02-26 2000-06-13 Research In Motion Limited Block-wise adaptive statistical data compressor
US6169499B1 (en) * 1999-06-19 2001-01-02 Unisys Corporation LZW data compression/decompression apparatus and method with embedded run-length encoding/decoding

Also Published As

Publication number Publication date
JP2003521189A (en) 2003-07-08
CA2398062A1 (en) 2001-08-02
US20030095055A1 (en) 2003-05-22
US20040189494A1 (en) 2004-09-30
KR20020075889A (en) 2002-10-07
GB0001707D0 (en) 2000-03-15
US6906645B2 (en) 2005-06-14
EP1252715A1 (en) 2002-10-30
WO2001056168A1 (en) 2001-08-02
US6667699B2 (en) 2003-12-23

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