DE69823607T2 - Verfahren zur Datenkomprimierung unter Verwendung von Zeichenkettenanpassung - Google Patents
Verfahren zur Datenkomprimierung unter Verwendung von Zeichenkettenanpassung Download PDFInfo
- Publication number
- DE69823607T2 DE69823607T2 DE69823607T DE69823607T DE69823607T2 DE 69823607 T2 DE69823607 T2 DE 69823607T2 DE 69823607 T DE69823607 T DE 69823607T DE 69823607 T DE69823607 T DE 69823607T DE 69823607 T2 DE69823607 T2 DE 69823607T2
- Authority
- DE
- Germany
- Prior art keywords
- data compression
- string adaptation
- adaptation
- string
- 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
-
- 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
- H03M7/3086—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method employing a sliding window, e.g. LZ77
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99931—Database or file accessing
- Y10S707/99933—Query processing, i.e. searching
- Y10S707/99936—Pattern matching access
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S707/00—Data processing: database and file management or data structures
- Y10S707/99941—Database schema or data structure
- Y10S707/99942—Manipulating data structure, e.g. compression, compaction, compilation
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/937,554 US5930790A (en) | 1997-09-25 | 1997-09-25 | String-match array for substitutional compression |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69823607D1 DE69823607D1 (de) | 2004-06-09 |
DE69823607T2 true DE69823607T2 (de) | 2005-04-21 |
Family
ID=25470081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69823607T Expired - Lifetime DE69823607T2 (de) | 1997-09-25 | 1998-09-07 | Verfahren zur Datenkomprimierung unter Verwendung von Zeichenkettenanpassung |
Country Status (4)
Country | Link |
---|---|
US (1) | US5930790A (de) |
EP (1) | EP0907146B1 (de) |
JP (1) | JP3026962B2 (de) |
DE (1) | DE69823607T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6118682A (en) * | 1998-07-07 | 2000-09-12 | Vlsi Technology, Inc. | Method and apparatus for reading multiple matched addresses |
US6799243B1 (en) | 2000-06-14 | 2004-09-28 | Netlogic Microsystems, Inc. | Method and apparatus for detecting a match in an intra-row configurable cam system |
US6795892B1 (en) | 2000-06-14 | 2004-09-21 | Netlogic Microsystems, Inc. | Method and apparatus for determining a match address in an intra-row configurable cam device |
US6751701B1 (en) | 2000-06-14 | 2004-06-15 | Netlogic Microsystems, Inc. | Method and apparatus for detecting a multiple match in an intra-row configurable CAM system |
US6813680B1 (en) | 2000-06-14 | 2004-11-02 | Netlogic Microsystems, Inc. | Method and apparatus for loading comparand data into a content addressable memory system |
US6542391B2 (en) | 2000-06-08 | 2003-04-01 | Netlogic Microsystems, Inc. | Content addressable memory with configurable class-based storage partition |
US6757779B1 (en) | 1999-09-23 | 2004-06-29 | Netlogic Microsystems, Inc. | Content addressable memory with selectable mask write mode |
US6246601B1 (en) | 2000-06-14 | 2001-06-12 | Netlogic Microsystems, Inc. | Method and apparatus for using an inter-row configurable content addressable memory |
US6560670B1 (en) | 2000-06-14 | 2003-05-06 | Netlogic Microsystems, Inc. | Inter-row configurability of content addressable memory |
US6252789B1 (en) * | 2000-06-14 | 2001-06-26 | Netlogic Microsystems, Inc. | Inter-row configurability of content addressable memory |
US6243281B1 (en) | 2000-06-14 | 2001-06-05 | Netlogic Microsystems, Inc. | Method and apparatus for accessing a segment of CAM cells in an intra-row configurable CAM system |
US6348881B1 (en) * | 2000-08-29 | 2002-02-19 | Philips Electronics No. America Corp. | Efficient hardware implementation of a compression algorithm |
JP2005505094A (ja) * | 2001-09-30 | 2005-02-17 | メンコール エル.エル.シー. | 逆検索システムおよび方法 |
JP4164257B2 (ja) * | 2001-12-06 | 2008-10-15 | キヤノン株式会社 | 画像処理装置、画像処理方法、プログラム、及び記憶媒体 |
CN100437549C (zh) * | 2002-09-04 | 2008-11-26 | 珠海市零壹网络标准数据有限责任公司 | 一种计算机多元供需信息适配处理系统及方法 |
CA2461638A1 (en) * | 2004-03-22 | 2005-09-22 | Impatica Inc. | Mobile multimedia delivery |
US7109895B1 (en) * | 2005-02-01 | 2006-09-19 | Altera Corporation | High performance Lempel Ziv compression architecture |
US7937510B1 (en) | 2005-02-01 | 2011-05-03 | Altera Corporation | Lempel Ziv compression architecture |
AU2005248949B2 (en) * | 2005-12-23 | 2010-04-01 | Canon Kabushiki Kaisha | Efficient Halftone Image Compression |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3648254A (en) * | 1969-12-31 | 1972-03-07 | Ibm | High-speed associative memory |
WO1989001653A1 (en) * | 1987-08-20 | 1989-02-23 | Davin Computer Corporation | Parallel string processor and method for a minicomputer |
US5003307A (en) * | 1989-01-13 | 1991-03-26 | Stac, Inc. | Data compression apparatus with shift register search means |
US5179378A (en) * | 1991-07-30 | 1993-01-12 | University Of South Florida | Method and apparatus for the compression and decompression of data using Lempel-Ziv based techniques |
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 |
US5339076A (en) * | 1992-04-27 | 1994-08-16 | Integrated Information Technology | Data compression using content addressable memory |
US5369605A (en) * | 1993-07-07 | 1994-11-29 | Dell Usa, L.P. | Incremental search content addressable memory for increased data compression efficiency |
US5499382A (en) * | 1993-09-20 | 1996-03-12 | Nusinov; Eugene B. | Circuit and method of bit-packing and bit-unpacking using a barrel shifter |
DE69425209T2 (de) * | 1993-09-20 | 2001-03-15 | Codex Corp | Verbindungsverfahren und -anordnung für inhaltsadressierbaren Speicher |
US5532693A (en) * | 1994-06-13 | 1996-07-02 | Advanced Hardware Architectures | Adaptive data compression system with systolic string matching logic |
US5828593A (en) * | 1996-07-11 | 1998-10-27 | Northern Telecom Limited | Large-capacity content addressable memory |
-
1997
- 1997-09-25 US US08/937,554 patent/US5930790A/en not_active Expired - Lifetime
-
1998
- 1998-09-07 DE DE69823607T patent/DE69823607T2/de not_active Expired - Lifetime
- 1998-09-07 EP EP98307195A patent/EP0907146B1/de not_active Expired - Lifetime
- 1998-09-18 JP JP10264247A patent/JP3026962B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH11163735A (ja) | 1999-06-18 |
US5930790A (en) | 1999-07-27 |
JP3026962B2 (ja) | 2000-03-27 |
EP0907146A2 (de) | 1999-04-07 |
EP0907146A3 (de) | 2000-03-01 |
EP0907146B1 (de) | 2004-05-06 |
DE69823607D1 (de) | 2004-06-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |