DE69522497D1 - System und Verfahren zur Datenkompression - Google Patents
System und Verfahren zur DatenkompressionInfo
- Publication number
- DE69522497D1 DE69522497D1 DE69522497T DE69522497T DE69522497D1 DE 69522497 D1 DE69522497 D1 DE 69522497D1 DE 69522497 T DE69522497 T DE 69522497T DE 69522497 T DE69522497 T DE 69522497T DE 69522497 D1 DE69522497 D1 DE 69522497D1
- Authority
- DE
- Germany
- Prior art keywords
- data compression
- compression system
- data
- 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.)
- Expired - Lifetime
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
- H03M7/3084—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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/253,047 US5635931A (en) | 1994-06-02 | 1994-06-02 | System and method for compressing data information |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69522497D1 true DE69522497D1 (de) | 2001-10-11 |
DE69522497T2 DE69522497T2 (de) | 2002-05-16 |
Family
ID=22958621
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69522497T Expired - Lifetime DE69522497T2 (de) | 1994-06-02 | 1995-04-13 | System und Verfahren zur Datenkompression |
Country Status (4)
Country | Link |
---|---|
US (1) | US5635931A (de) |
EP (1) | EP0685822B1 (de) |
JP (1) | JP3083730B2 (de) |
DE (1) | DE69522497T2 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5815096A (en) * | 1995-09-13 | 1998-09-29 | Bmc Software, Inc. | Method for compressing sequential data into compression symbols using double-indirect indexing into a dictionary data structure |
US5838963A (en) * | 1995-10-25 | 1998-11-17 | Microsoft Corporation | Apparatus and method for compressing a data file based on a dictionary file which matches segment lengths |
US6088699A (en) * | 1998-04-22 | 2000-07-11 | International Business Machines Corporation | System for exchanging compressed data according to predetermined dictionary codes |
US6125351A (en) * | 1998-05-15 | 2000-09-26 | Bios Group, Inc. | System and method for the synthesis of an economic web and the identification of new market niches |
US6100825A (en) * | 1998-12-31 | 2000-08-08 | Microsoft Corporation | Cluster-based data compression system and method |
WO2001065395A1 (en) * | 2000-03-03 | 2001-09-07 | Vill Ab | Infinite level meta-learning through compression |
JP2005510113A (ja) * | 2001-11-13 | 2005-04-14 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 可変長コードワード・シーケンスの復号方法 |
US7313817B2 (en) * | 2003-06-17 | 2007-12-25 | Lockheed Martin Corporation | Data transmission system utilizing efficient complexity estimation of the kolmogorov complexity for data transmission |
US6917315B2 (en) * | 2003-10-09 | 2005-07-12 | Nokia Corporation | Model based code compression |
US7039394B2 (en) * | 2003-11-25 | 2006-05-02 | Good Technology, Inc. | Communication system and method for compressing information sent by a communication device to a target portable communication device |
US7426457B2 (en) * | 2004-01-29 | 2008-09-16 | Hewlett-Packard Development Company, L.P. | FSM closure of generalized tree models |
US20050246362A1 (en) * | 2004-05-03 | 2005-11-03 | Borland Devin P | System and method for dynamci log compression in a file system |
US20060106870A1 (en) * | 2004-11-16 | 2006-05-18 | International Business Machines Corporation | Data compression using a nested hierarchy of fixed phrase length dictionaries |
FR2888350A1 (fr) * | 2005-07-05 | 2007-01-12 | St Microelectronics Sa | Generation de nombres de facon non deterministe |
US8046162B2 (en) * | 2005-11-04 | 2011-10-25 | Honda Motor Co., Ltd. | Data broadcast method for traffic information |
US7444596B1 (en) * | 2007-11-29 | 2008-10-28 | International Business Machines Corporation | Use of template messages to optimize a software messaging system |
FR2926378B1 (fr) * | 2008-01-14 | 2013-07-05 | Canon Kk | Procede et dispositif de traitement pour l'encodage d'un document de donnees hierarchisees |
FR2929778B1 (fr) * | 2008-04-07 | 2012-05-04 | Canon Kk | Procedes et dispositifs de codage et de decodage binaire iteratif pour documents de type xml. |
FR2930861B1 (fr) * | 2008-05-05 | 2012-10-19 | Groupe Des Ecoles De Telecommunications Get Ecole Nationale Superieure Des Telecommunications Enst | Procede de decodage d'un signal mettant en oeuvre une construction progressive d'un arbre de decodage, produit programme d'ordinateur et signal correspondants |
US9020262B2 (en) | 2012-07-31 | 2015-04-28 | Hewlett-Packard Development Company, L.P. | Symbol compression using conditional entropy estimation |
WO2018226221A1 (en) | 2017-06-07 | 2018-12-13 | Google Llc | Context-dependent shared dictionaries |
US11227520B1 (en) * | 2020-08-20 | 2022-01-18 | Microsoft Technology Licensing, Llc | Derivative-based encoding for scanning mirror timing |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4464650A (en) * | 1981-08-10 | 1984-08-07 | Sperry Corporation | Apparatus and method for compressing data signals and restoring the compressed data signals |
US4814746A (en) * | 1983-06-01 | 1989-03-21 | International Business Machines Corporation | Data compression method |
US4558302A (en) * | 1983-06-20 | 1985-12-10 | Sperry Corporation | High speed data compression and decompression apparatus and method |
US4843389A (en) * | 1986-12-04 | 1989-06-27 | International Business Machines Corp. | Text compression and expansion method and apparatus |
US4876541A (en) * | 1987-10-15 | 1989-10-24 | Data Compression Corporation | Stem for dynamically compressing and decompressing electronic data |
US5254990A (en) * | 1990-02-26 | 1993-10-19 | Fujitsu Limited | Method and apparatus for compression and decompression of data |
US5373290A (en) * | 1991-09-25 | 1994-12-13 | Hewlett-Packard Corporation | Apparatus and method for managing multiple dictionaries in content addressable memory based data compression |
US5384568A (en) * | 1993-12-02 | 1995-01-24 | Bell Communications Research, Inc. | Data compression |
-
1994
- 1994-06-02 US US08/253,047 patent/US5635931A/en not_active Expired - Lifetime
-
1995
- 1995-04-13 DE DE69522497T patent/DE69522497T2/de not_active Expired - Lifetime
- 1995-04-13 EP EP95105629A patent/EP0685822B1/de not_active Expired - Lifetime
- 1995-06-01 JP JP07135193A patent/JP3083730B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH07336237A (ja) | 1995-12-22 |
EP0685822A3 (de) | 1996-10-02 |
EP0685822B1 (de) | 2001-09-05 |
JP3083730B2 (ja) | 2000-09-04 |
EP0685822A2 (de) | 1995-12-06 |
US5635931A (en) | 1997-06-03 |
DE69522497T2 (de) | 2002-05-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: DUSCHER, R., DIPL.-PHYS. DR.RER.NAT., PAT.-ANW., 7 |