DE68923875T2 - Entropie-Kodierer/Dekodierer mit einem Kontextextrahierer. - Google Patents

Entropie-Kodierer/Dekodierer mit einem Kontextextrahierer.

Info

Publication number
DE68923875T2
DE68923875T2 DE68923875T DE68923875T DE68923875T2 DE 68923875 T2 DE68923875 T2 DE 68923875T2 DE 68923875 T DE68923875 T DE 68923875T DE 68923875 T DE68923875 T DE 68923875T DE 68923875 T2 DE68923875 T2 DE 68923875T2
Authority
DE
Germany
Prior art keywords
decoder
entropy encoder
context extractor
extractor
context
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
Application number
DE68923875T
Other languages
English (en)
Other versions
DE68923875D1 (de
Inventor
Christodoulos Chamzas
Donald L Duttweiler
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.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Publication of DE68923875D1 publication Critical patent/DE68923875D1/de
Application granted granted Critical
Publication of DE68923875T2 publication Critical patent/DE68923875T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe 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
    • H03M7/40—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

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)
DE68923875T 1989-07-28 1989-12-20 Entropie-Kodierer/Dekodierer mit einem Kontextextrahierer. Expired - Lifetime DE68923875T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/386,537 US5023611A (en) 1989-07-28 1989-07-28 Entropy encoder/decoder including a context extractor

Publications (2)

Publication Number Publication Date
DE68923875D1 DE68923875D1 (de) 1995-09-21
DE68923875T2 true DE68923875T2 (de) 1996-08-01

Family

ID=23526007

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923875T Expired - Lifetime DE68923875T2 (de) 1989-07-28 1989-12-20 Entropie-Kodierer/Dekodierer mit einem Kontextextrahierer.

Country Status (6)

Country Link
US (1) US5023611A (de)
EP (1) EP0410060B1 (de)
JP (1) JPH0695645B2 (de)
KR (1) KR940002138B1 (de)
CA (1) CA2014943C (de)
DE (1) DE68923875T2 (de)

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CA2077271C (en) * 1991-12-13 1998-07-28 David J. Craft Method and apparatus for compressing data
US5396228A (en) * 1992-01-16 1995-03-07 Mobile Telecommunications Technologies Methods and apparatus for compressing and decompressing paging data
US5550540A (en) * 1992-11-12 1996-08-27 Internatioal Business Machines Corporation Distributed coding and prediction by use of contexts
US5357250A (en) * 1992-11-20 1994-10-18 International Business Machines Corporation Adaptive computation of symbol probabilities in n-ary strings
US5298896A (en) * 1993-03-15 1994-03-29 Bell Communications Research, Inc. Method and system for high order conditional entropy coding
US5414423A (en) * 1993-04-29 1995-05-09 International Business Machines Corporation Stabilization of probability estimates by conditioning on prior decisions of a given context
US5563595A (en) * 1993-12-23 1996-10-08 International Business Machines Corporation Method and apparatus for compressing data
JP2798172B2 (ja) * 1993-12-27 1998-09-17 富士ゼロックス株式会社 画像符号化復号装置
GB9422738D0 (en) * 1994-11-10 1995-01-04 Univ Western Ontario Context-based, adaptive, progressive, lossless compression of still continuous -tone images
US5543795A (en) * 1995-06-02 1996-08-06 Intermedics, Inc. Hybrid analog-to-digital convertor for low power applications, such as use in an implantable medical device
US5710562A (en) * 1995-08-31 1998-01-20 Ricoh Company Ltd. Method and apparatus for compressing arbitrary data
GB2311705B (en) * 1995-08-31 1998-04-15 Ricoh Kk Method and apparatus for compressing arbitrary data
US5818369A (en) * 1996-03-07 1998-10-06 Pegasus Imaging Corporation Rapid entropy coding for data compression or decompression
EP0820150B1 (de) * 1996-07-15 2002-12-11 Koninklijke KPN N.V. System mit Kodierungssektion, Kodierungsvorrichtung und Methode
US6055338A (en) * 1996-08-22 2000-04-25 Sumitomo Metal Industries Limited Bi-level adaptive coding using a dual port memory and a context comparator
US6058216A (en) * 1996-09-03 2000-05-02 Sumitomo Metal Industries Limited Apparatus for encoding image data
US6778965B1 (en) * 1996-10-10 2004-08-17 Koninklijke Philips Electronics N.V. Data compression and expansion of an audio signal
US6269338B1 (en) * 1996-10-10 2001-07-31 U.S. Philips Corporation Data compression and expansion of an audio signal
DE69701183T2 (de) * 1997-01-24 2000-06-21 Koninkl Kpn Nv Datenkompressionsverfahren und -system mit Kontext Baumstruktur Algorithmus
DE69832469T2 (de) 1997-02-03 2006-07-13 Sharp K.K. Mit embedded coding arbeitender bildcodierer mit ratenstörungsoptimierung
US5880688A (en) * 1997-04-09 1999-03-09 Hewlett-Packard Company Arithmetic coding context model that adapts to the amount of data
US5936559A (en) * 1997-06-09 1999-08-10 At&T Corporation Method for optimizing data compression and throughput
US5970174A (en) * 1997-06-19 1999-10-19 Electronics For Imaging Method and apparatus for data compression and gray value estimation
US6757440B2 (en) 1997-06-19 2004-06-29 Electronics For Imaging, Inc. Methods and apparatus for data compression
US6757436B2 (en) * 1997-06-19 2004-06-29 Electroncs For Imaging, Inc. Methods and apparatus for data compression based on modeling schemes
ATE255786T1 (de) * 1997-07-09 2003-12-15 Quvis Inc Gerät und verfahren zur entropiekodierung
US6272256B1 (en) 1997-11-26 2001-08-07 International Business Machines Corporation Fast compression of periodic halftoned bitonal images
EP1605596B1 (de) * 1998-03-19 2007-12-12 Koninklijke Philips Electronics N.V. Arithmetische Kodierung/Dekodierung eines digitalen Informationssignals
US6397205B1 (en) 1998-11-24 2002-05-28 Duquesne University Of The Holy Ghost Document categorization and evaluation via cross-entrophy
KR100405819B1 (ko) * 2001-01-15 2003-11-14 한국과학기술원 이진 영상의 데이터 압축 및 복원방법
US7095343B2 (en) * 2001-10-09 2006-08-22 Trustees Of Princeton University code compression algorithms and architectures for embedded systems
US7076109B2 (en) * 2002-03-28 2006-07-11 International Business Machines Corporation System and method of automatically determining the dominant periodicity in sequential binary data
US6714145B1 (en) 2002-09-26 2004-03-30 Richard Marques Method and apparatus for integer-based encoding and decoding of bits
US8176155B2 (en) * 2003-11-26 2012-05-08 Riip, Inc. Remote network management system
US7161507B2 (en) * 2004-08-20 2007-01-09 1St Works Corporation Fast, practically optimal entropy coding
WO2007002468A2 (en) * 2005-06-23 2007-01-04 1Stworks Corporation Modeling for enumerative encoding
US8392684B2 (en) 2005-08-12 2013-03-05 Silver Peak Systems, Inc. Data encryption in a network memory architecture for providing data based on local accessibility
US8095774B1 (en) 2007-07-05 2012-01-10 Silver Peak Systems, Inc. Pre-fetching data into a memory
US8171238B1 (en) 2007-07-05 2012-05-01 Silver Peak Systems, Inc. Identification of data stored in memory
US8929402B1 (en) * 2005-09-29 2015-01-06 Silver Peak Systems, Inc. Systems and methods for compressing packet data by predicting subsequent data
US8489562B1 (en) 2007-11-30 2013-07-16 Silver Peak Systems, Inc. Deferred data storage
US8811431B2 (en) 2008-11-20 2014-08-19 Silver Peak Systems, Inc. Systems and methods for compressing packet data
US7319417B2 (en) * 2005-11-18 2008-01-15 Intel Corporation Compression using multiple Markov chain modeling
US8885632B2 (en) 2006-08-02 2014-11-11 Silver Peak Systems, Inc. Communications scheduler
US8755381B2 (en) 2006-08-02 2014-06-17 Silver Peak Systems, Inc. Data matching using flow based packet data storage
US7903873B2 (en) * 2007-09-13 2011-03-08 Microsoft Corporation Textual image coding
US8307115B1 (en) 2007-11-30 2012-11-06 Silver Peak Systems, Inc. Network memory mirroring
JP4934015B2 (ja) * 2007-12-25 2012-05-16 京セラミタ株式会社 画像処理装置、画像読取装置
US9717021B2 (en) 2008-07-03 2017-07-25 Silver Peak Systems, Inc. Virtual network overlay
US10805840B2 (en) 2008-07-03 2020-10-13 Silver Peak Systems, Inc. Data transmission via a virtual wide area network overlay
US8743683B1 (en) 2008-07-03 2014-06-03 Silver Peak Systems, Inc. Quality of service using multiple flows
US10164861B2 (en) 2015-12-28 2018-12-25 Silver Peak Systems, Inc. Dynamic monitoring and visualization for network health characteristics
US9130991B2 (en) 2011-10-14 2015-09-08 Silver Peak Systems, Inc. Processing data packets in performance enhancing proxy (PEP) environment
US9626224B2 (en) 2011-11-03 2017-04-18 Silver Peak Systems, Inc. Optimizing available computing resources within a virtual environment
US8779950B2 (en) 2012-03-05 2014-07-15 Dcba, Llc Command encoded data compression
US9948496B1 (en) 2014-07-30 2018-04-17 Silver Peak Systems, Inc. Determining a transit appliance for data traffic to a software service
US9875344B1 (en) 2014-09-05 2018-01-23 Silver Peak Systems, Inc. Dynamic monitoring and authorization of an optimization device
US9543980B2 (en) 2014-10-10 2017-01-10 Massachusettes Institute Of Technology Systems and methods for model-free compression and model-based decompression
US10432484B2 (en) 2016-06-13 2019-10-01 Silver Peak Systems, Inc. Aggregating select network traffic statistics
US9967056B1 (en) 2016-08-19 2018-05-08 Silver Peak Systems, Inc. Forward packet recovery with constrained overhead
US10892978B2 (en) 2017-02-06 2021-01-12 Silver Peak Systems, Inc. Multi-level learning for classifying traffic flows from first packet data
US10257082B2 (en) 2017-02-06 2019-04-09 Silver Peak Systems, Inc. Multi-level learning for classifying traffic flows
US11044202B2 (en) 2017-02-06 2021-06-22 Silver Peak Systems, Inc. Multi-level learning for predicting and classifying traffic flows from first packet data
US10771394B2 (en) 2017-02-06 2020-09-08 Silver Peak Systems, Inc. Multi-level learning for classifying traffic flows on a first packet from DNS data
US11212210B2 (en) 2017-09-21 2021-12-28 Silver Peak Systems, Inc. Selective route exporting using source type
US10637721B2 (en) 2018-03-12 2020-04-28 Silver Peak Systems, Inc. Detecting path break conditions while minimizing network overhead

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US4355306A (en) * 1981-01-30 1982-10-19 International Business Machines Corporation Dynamic stack data compression and decompression system
US4494108A (en) * 1981-11-09 1985-01-15 International Business Machines Corporation Adaptive source modeling for data file compression within bounded memory
DE3278850D1 (en) * 1981-11-09 1988-09-01 Ibm Data translation apparatus translating between raw and compression encoded data forms
US4633490A (en) * 1984-03-15 1986-12-30 International Business Machines Corporation Symmetrical optimized adaptive data compression/transfer/decompression system
US4612532A (en) * 1984-06-19 1986-09-16 Telebyte Corportion Data compression apparatus and method
US4891643A (en) * 1986-09-15 1990-01-02 International Business Machines Corporation Arithmetic coding data compression/de-compression by selectively employed, diverse arithmetic coding encoders and decoders
US4881075A (en) * 1987-10-15 1989-11-14 Digital Equipment Corporation Method and apparatus for adaptive data compression

Also Published As

Publication number Publication date
US5023611A (en) 1991-06-11
EP0410060A2 (de) 1991-01-30
CA2014943A1 (en) 1991-01-28
KR910003951A (ko) 1991-02-28
EP0410060A3 (en) 1991-10-09
JPH0365823A (ja) 1991-03-20
JPH0695645B2 (ja) 1994-11-24
DE68923875D1 (de) 1995-09-21
EP0410060B1 (de) 1995-08-16
CA2014943C (en) 1994-09-20
KR940002138B1 (ko) 1994-03-17

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition