DE3882738D1 - Datenkomprimierungsverfahren und -vorrichtung. - Google Patents
Datenkomprimierungsverfahren und -vorrichtung.Info
- Publication number
- DE3882738D1 DE3882738D1 DE8888301626T DE3882738T DE3882738D1 DE 3882738 D1 DE3882738 D1 DE 3882738D1 DE 8888301626 T DE8888301626 T DE 8888301626T DE 3882738 T DE3882738 T DE 3882738T DE 3882738 D1 DE3882738 D1 DE 3882738D1
- Authority
- DE
- Germany
- Prior art keywords
- data compression
- compression method
- 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 - Fee Related
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
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F40/00—Handling natural language data
- G06F40/10—Text processing
- G06F40/12—Use of codes for handling textual entities
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62040453A JPS63209228A (ja) | 1987-02-25 | 1987-02-25 | デ−タ圧縮方法 |
JP4045487A JPS63209229A (ja) | 1987-02-25 | 1987-02-25 | デ−タ文圧縮符号化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3882738D1 true DE3882738D1 (de) | 1993-09-09 |
DE3882738T2 DE3882738T2 (de) | 1994-01-13 |
Family
ID=26379909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88301626T Expired - Fee Related DE3882738T2 (de) | 1987-02-25 | 1988-02-25 | Datenkomprimierungsverfahren und -vorrichtung. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4899148A (de) |
EP (1) | EP0280549B1 (de) |
CA (1) | CA1291829C (de) |
DE (1) | DE3882738T2 (de) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU603453B2 (en) * | 1987-05-25 | 1990-11-15 | Megaword International Pty. Ltd. | A method of processing a text in order to store the text in memory |
KR930003416B1 (ko) * | 1988-03-29 | 1993-04-29 | 주식회사 금성사 | 폰트의 함축방법 |
GB8828796D0 (en) * | 1988-12-09 | 1989-01-18 | British Telecomm | Data compression |
US5532694A (en) * | 1989-01-13 | 1996-07-02 | Stac Electronics, Inc. | Data compression apparatus and method using matching string searching and Huffman encoding |
US5124791A (en) * | 1989-05-31 | 1992-06-23 | Utah State University Foundation | Frame-to-frame compression of vector quantized signals and other post-processing |
US5010345A (en) * | 1989-12-28 | 1991-04-23 | International Business Machines Corporation | Data compression method |
US5001478A (en) * | 1989-12-28 | 1991-03-19 | International Business Machines Corporation | Method of encoding compressed data |
US5184126A (en) * | 1989-12-28 | 1993-02-02 | International Business Machines Corporation | Method of decompressing compressed data |
US5010344A (en) * | 1989-12-28 | 1991-04-23 | International Business Machines Corporation | Method of decoding compressed data |
US5254990A (en) * | 1990-02-26 | 1993-10-19 | Fujitsu Limited | Method and apparatus for compression and decompression of data |
DE69123660T2 (de) * | 1990-08-13 | 1997-04-17 | Fujitsu Ltd | Datenkompressionsmethode und Gerät |
JPH0495878A (ja) * | 1990-08-14 | 1992-03-27 | Sony Corp | ピーク値検出回路 |
JPH04114266A (ja) * | 1990-09-04 | 1992-04-15 | Brother Ind Ltd | 文書処理装置 |
CA2065578C (en) * | 1991-04-22 | 1999-02-23 | David W. Carr | Packet-based data compression method |
US5245614A (en) * | 1991-04-29 | 1993-09-14 | Codex Corporation | Vocabulary memory allocation for adaptive data compression of frame-multiplexed traffic |
US5317567A (en) * | 1991-09-12 | 1994-05-31 | The United States Of America As Represented By The Secretary Of The Air Force | Multi-speaker conferencing over narrowband channels |
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 |
US5229768A (en) * | 1992-01-29 | 1993-07-20 | Traveling Software, Inc. | Adaptive data compression system |
US5590317A (en) * | 1992-05-27 | 1996-12-31 | Hitachi, Ltd. | Document information compression and retrieval system and document information registration and retrieval method |
US5325092A (en) * | 1992-07-07 | 1994-06-28 | Ricoh Company, Ltd. | Huffman decoder architecture for high speed operation and reduced memory |
JP3136796B2 (ja) * | 1992-09-24 | 2001-02-19 | ソニー株式会社 | 可変長符号デコーダ |
US5323155A (en) * | 1992-12-04 | 1994-06-21 | International Business Machines Corporation | Semi-static data compression/expansion method |
US5798721A (en) * | 1994-03-14 | 1998-08-25 | Mita Industrial Co., Ltd. | Method and apparatus for compressing text data |
JP3397431B2 (ja) * | 1994-03-16 | 2003-04-14 | 富士通株式会社 | データ圧縮方法および装置ならびにデータ復元方法および装置 |
US5663721A (en) * | 1995-03-20 | 1997-09-02 | Compaq Computer Corporation | Method and apparatus using code values and length fields for compressing computer data |
US5548338A (en) * | 1995-06-07 | 1996-08-20 | News American Publishing, Inc. | Compression of an electronic programming guide |
JP3566441B2 (ja) * | 1996-01-30 | 2004-09-15 | シャープ株式会社 | テキスト圧縮用辞書作成装置 |
FR2751492B1 (fr) * | 1996-07-16 | 1998-11-13 | Alcatel Mobile Comm France | Procede et dispositif de compression et de decompression de messages |
US6304676B1 (en) * | 1996-10-03 | 2001-10-16 | Mark A. Mathews | Apparatus and method for successively refined competitive compression with redundant decompression |
US5793869A (en) * | 1996-10-11 | 1998-08-11 | Claflin, Jr.; Raymond E. | Method and apparatus for encoding and data compressing text information |
GB2321375B (en) * | 1997-01-21 | 2002-02-27 | Fujitsu Ltd | Data encoding method and apparatus and data decoding method and apparatus |
US5999949A (en) * | 1997-03-14 | 1999-12-07 | Crandall; Gary E. | Text file compression system utilizing word terminators |
USD418262S (en) * | 1997-11-21 | 1999-12-28 | John Manufacturing Limited | Car vacuum cleaner |
US6127950A (en) * | 1998-02-16 | 2000-10-03 | Matsushita Electric Industrial Co., Ltd. | Transmission circuit and reception circuit |
AU4389099A (en) * | 1998-06-23 | 2000-01-10 | Infit Communications Ltd. | Content storage and redundancy elimination |
WO2000007123A1 (en) * | 1998-07-28 | 2000-02-10 | Triada, Ltd. | Methods of deleting information in n-gram tree structures |
DE19834472A1 (de) * | 1998-07-30 | 2000-02-03 | Rohde & Schwarz | Verfahren zum komprimierten Codieren von Datensymbolen |
SE521700C2 (sv) * | 1999-05-21 | 2003-11-25 | Ericsson Telefon Ab L M | Metod för att minska mängden överförd data då ett signaleringsmeddelande skickas fler än en gång mellan två noder i ett TCP/IP-baserat nät |
US6668092B1 (en) | 1999-07-30 | 2003-12-23 | Sun Microsystems, Inc. | Memory efficient variable-length encoding/decoding system |
US6904402B1 (en) * | 1999-11-05 | 2005-06-07 | Microsoft Corporation | System and iterative method for lexicon, segmentation and language model joint optimization |
DE10102157A1 (de) * | 2001-01-18 | 2002-08-01 | Siemens Ag | Verfahren zum Übertragen von Texten in einem Kommunikationssystem sowie entsprechende Codier-und Decodiervorrichtung |
US7382878B2 (en) * | 2001-06-22 | 2008-06-03 | Uponus Technologies, Llc | System and method for data encryption |
US7013261B2 (en) * | 2001-10-16 | 2006-03-14 | Xerox Corporation | Method and system for accelerated morphological analysis |
US7192283B2 (en) * | 2002-04-13 | 2007-03-20 | Paley W Bradford | System and method for visual analysis of word frequency and distribution in a text |
US6670897B1 (en) | 2002-10-03 | 2003-12-30 | Motorola, Inc. | Compression/decompression techniques based on tokens and Huffman coding |
US20040225497A1 (en) * | 2003-05-05 | 2004-11-11 | Callahan James Patrick | Compressed yet quickly searchable digital textual data format |
US8674855B2 (en) * | 2006-01-13 | 2014-03-18 | Essex Pa, L.L.C. | Identification of text |
US20070290899A1 (en) * | 2006-06-19 | 2007-12-20 | Donald Martin Monro | Data coding |
US20130028174A1 (en) * | 2010-04-12 | 2013-01-31 | Flight Focus Pte. Ltd. | Use of a meta language for processing of aviation related messages |
JP6467937B2 (ja) | 2015-01-21 | 2019-02-13 | 富士通株式会社 | 文書処理プログラム、情報処理装置および文書処理方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4420771A (en) * | 1981-02-09 | 1983-12-13 | Bell Telephone Laboratories, Incorporated | Technique for encoding multi-level signals |
US4796003A (en) * | 1984-06-28 | 1989-01-03 | American Telephone And Telegraph Company | Data compaction |
US4646061A (en) * | 1985-03-13 | 1987-02-24 | Racal Data Communications Inc. | Data communication with modified Huffman coding |
US4672539A (en) * | 1985-04-17 | 1987-06-09 | International Business Machines Corp. | File compressor |
US4847619A (en) * | 1987-10-19 | 1989-07-11 | Hewlett-Packard Company | Performance-based reset of data compression dictionary |
-
1988
- 1988-02-19 US US07/157,691 patent/US4899148A/en not_active Expired - Fee Related
- 1988-02-24 CA CA000559752A patent/CA1291829C/en not_active Expired - Fee Related
- 1988-02-25 EP EP88301626A patent/EP0280549B1/de not_active Expired - Lifetime
- 1988-02-25 DE DE88301626T patent/DE3882738T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4899148A (en) | 1990-02-06 |
EP0280549B1 (de) | 1993-08-04 |
CA1291829C (en) | 1991-11-05 |
DE3882738T2 (de) | 1994-01-13 |
EP0280549A2 (de) | 1988-08-31 |
EP0280549A3 (en) | 1990-02-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3882738D1 (de) | Datenkomprimierungsverfahren und -vorrichtung. | |
DE294214T1 (de) | Coexstrusions-vorrichtung und -verfahren. | |
NO882743L (no) | Fremgangsmaate og innretning for injeksjon. | |
DE3684146D1 (de) | Datenverarbeitungsverfahren und -geraet. | |
DE3878357T2 (de) | Aufzeichnungsverfahren und aufzeichnungsgeraet. | |
DE3861562D1 (de) | Aufzeichnungsgeraet und -verfahren. | |
DE299736T1 (de) | Koextrusionsverfahren und -vorrichtung. | |
IT8721658A0 (it) | Dispositivo e metodo immunodiagnostico. | |
DE69026924T2 (de) | Datenkomprimierungsverfahren | |
DE69123660D1 (de) | Datenkompressionsmethode und Gerät | |
DE3777197D1 (de) | Kupplungsvorrichtung und -verfahren. | |
DE69121758D1 (de) | Verbessertes Datenkomprimierungssystem und -verfahren | |
DE69122542D1 (de) | Verbessertes Datenkomprimierungssystem und -verfahren | |
DE3786330D1 (de) | Paralleldatenverarbeitungsvorrichtung und -verfahren. | |
DE3855494T2 (de) | Abfragevorrichtung und -methode | |
DE69023730T2 (de) | Kommunikationsvorrichtung und -verfahren. | |
DE3854216T2 (de) | Bildverarbeitungsgerät und -verfahren. | |
DE3861876D1 (de) | Vollformverfahren und -vorrichtung. | |
DE3887709D1 (de) | Anzeigevorrichtung und -verfahren. | |
DE68915957D1 (de) | Datenkompression. | |
DE69018394T2 (de) | Bilddatenkompressionsverfahren und -vorrichtung. | |
DE3881610D1 (de) | Kassierverfahren und -vorrichtung. | |
DE69031533D1 (de) | Datenübertragungsverfahren und -vorrichtung | |
DE3782546D1 (de) | Datenpaketverkuerzungsverfahren und -vorrichtung. | |
DE3751197T2 (de) | Bildaufzeichnungsverfahren und -gerät. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |