DE10197054T1 - Verfahren zum Komprimieren von Daten durch Verwendung von einem selbst-vorangestellen Code universeller variabler Länge - Google Patents

Verfahren zum Komprimieren von Daten durch Verwendung von einem selbst-vorangestellen Code universeller variabler Länge

Info

Publication number
DE10197054T1
DE10197054T1 DE10197054T DE10197054T DE10197054T1 DE 10197054 T1 DE10197054 T1 DE 10197054T1 DE 10197054 T DE10197054 T DE 10197054T DE 10197054 T DE10197054 T DE 10197054T DE 10197054 T1 DE10197054 T1 DE 10197054T1
Authority
DE
Germany
Prior art keywords
prefixing
code
self
variable length
compressing data
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.)
Ceased
Application number
DE10197054T
Other languages
English (en)
Inventor
Rickard Sjoeberg
Per Froejdh
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of DE10197054T1 publication Critical patent/DE10197054T1/de
Ceased 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
    • H03M7/40—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE10197054T 2000-12-20 2001-12-19 Verfahren zum Komprimieren von Daten durch Verwendung von einem selbst-vorangestellen Code universeller variabler Länge Ceased DE10197054T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US25707200P 2000-12-20 2000-12-20
US09/811,068 US6801668B2 (en) 2000-12-20 2001-03-16 Method of compressing data by use of self-prefixed universal variable length code
PCT/SE2001/002863 WO2002051159A2 (en) 2000-12-20 2001-12-19 Method of compressing data by use of self-prefixed universal variable length code

Publications (1)

Publication Number Publication Date
DE10197054T1 true DE10197054T1 (de) 2003-10-16

Family

ID=26945780

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10197054T Ceased DE10197054T1 (de) 2000-12-20 2001-12-19 Verfahren zum Komprimieren von Daten durch Verwendung von einem selbst-vorangestellen Code universeller variabler Länge

Country Status (5)

Country Link
US (1) US6801668B2 (de)
AU (1) AU2002216582A1 (de)
DE (1) DE10197054T1 (de)
GB (1) GB2385502B (de)
WO (1) WO2002051159A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6859500B2 (en) * 2001-03-20 2005-02-22 Telefonaktiebolaget Lm Ericsson Run-length coding of non-coded macroblocks
JP2005510937A (ja) * 2001-11-27 2005-04-21 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 信号処理方法、及び対応する符合化方法及び装置
KR100462060B1 (ko) * 2001-12-21 2004-12-17 에스케이 텔레콤주식회사 유니버셜 가변 길이 코드 부호어 다중 추출 방법 및 그를위한 룩-업 테이블 구성 방법
US7590059B2 (en) * 2004-05-21 2009-09-15 Broadcom Corp. Multistandard video decoder
US10171810B2 (en) 2015-06-22 2019-01-01 Cisco Technology, Inc. Transform coefficient coding using level-mode and run-mode
EP3935581A4 (de) 2019-03-04 2022-11-30 Iocurrents, Inc. Datenkompression und -kommunikation mit maschinenlernung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3694813A (en) 1970-10-30 1972-09-26 Ibm Method of achieving data compaction utilizing variable-length dependent coding techniques
US4918523A (en) * 1987-10-05 1990-04-17 Intel Corporation Digital video formatting and transmission system and method
US4813056A (en) 1987-12-08 1989-03-14 General Electric Company Modified statistical coding of digital signals
US5225832A (en) * 1992-02-13 1993-07-06 Industrial Technology Research Institute High speed variable length decoder
KR0160610B1 (ko) * 1992-04-07 1999-01-15 강진구 가변장부호화에 의한 영상압축방법과 신장방법 및 그 장치
US5298896A (en) 1993-03-15 1994-03-29 Bell Communications Research, Inc. Method and system for high order conditional entropy coding
KR950002458A (ko) * 1993-06-02 1995-01-04 이헌조 영상신호의 압축/신장 장치
DE69524269T2 (de) * 1994-01-28 2002-07-18 Matsushita Electric Ind Co Ltd Vorrichtung und Verfahren zur Dekodierung von Kodes variabler Länge
US5696563A (en) 1995-03-08 1997-12-09 Lucent Technologies Inc. Apparatus and methods for performing huffman coding
US5912636A (en) 1996-09-26 1999-06-15 Ricoh Company, Ltd. Apparatus and method for performing m-ary finite state machine entropy coding
US6160918A (en) 1997-10-02 2000-12-12 At&T Corp. Method and apparatus for fast image compression
US6097757A (en) * 1998-01-16 2000-08-01 International Business Machines Corporation Real-time variable bit rate encoding of video sequence employing statistics
JP3129411B2 (ja) * 1998-05-28 2001-01-29 日本電気株式会社 動画像圧縮装置と動画像圧縮方法
US6483543B1 (en) * 1998-07-27 2002-11-19 Cisco Technology, Inc. System and method for transcoding multiple channels of compressed video streams using a self-contained data unit

Also Published As

Publication number Publication date
JP2004516759A (ja) 2004-06-03
WO2002051159A2 (en) 2002-06-27
US6801668B2 (en) 2004-10-05
AU2002216582A1 (en) 2002-07-01
GB0312409D0 (en) 2003-07-02
GB2385502A (en) 2003-08-20
US20020176633A1 (en) 2002-11-28
WO2002051159A3 (en) 2003-02-27
GB2385502B (en) 2004-01-28
JP3977743B2 (ja) 2007-09-19

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
R079 Amendment of ipc main class

Free format text: PREVIOUS MAIN CLASS: H04N0007300000

Ipc: H04N0019600000

Effective date: 20131205

R002 Refusal decision in examination/registration proceedings
R003 Refusal decision now final

Effective date: 20140513