DE69918172D1 - Entropiekodierung von variabler zu variabler länge - Google Patents
Entropiekodierung von variabler zu variabler längeInfo
- Publication number
- DE69918172D1 DE69918172D1 DE69918172T DE69918172T DE69918172D1 DE 69918172 D1 DE69918172 D1 DE 69918172D1 DE 69918172 T DE69918172 T DE 69918172T DE 69918172 T DE69918172 T DE 69918172T DE 69918172 D1 DE69918172 D1 DE 69918172D1
- Authority
- DE
- Germany
- Prior art keywords
- variable length
- input
- variable
- entropy
- code
- 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
- H03M7/40—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)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Vehicle Body Suspensions (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US211294 | 1998-12-14 | ||
US09/211,294 US6377930B1 (en) | 1998-12-14 | 1998-12-14 | Variable to variable length entropy encoding |
PCT/US1999/029108 WO2000036752A1 (en) | 1998-12-14 | 1999-12-07 | Variable to variable length entropy encoding |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69918172D1 true DE69918172D1 (de) | 2004-07-22 |
DE69918172T2 DE69918172T2 (de) | 2009-10-01 |
Family
ID=22786310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69918172T Expired - Lifetime DE69918172T2 (de) | 1998-12-14 | 1999-12-07 | Entropiekodierung von variabler zu variabler länge |
Country Status (6)
Country | Link |
---|---|
US (1) | US6377930B1 (de) |
EP (1) | EP1142129B1 (de) |
JP (1) | JP4559632B2 (de) |
AT (1) | ATE269605T1 (de) |
DE (1) | DE69918172T2 (de) |
WO (1) | WO2000036752A1 (de) |
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US7440993B1 (en) | 1998-09-11 | 2008-10-21 | Lv Partners, L.P. | Method and apparatus for launching a web browser in response to scanning of product information |
US6823388B1 (en) | 1998-09-11 | 2004-11-23 | L.V. Parners, L.P. | Method and apparatus for accessing a remote location with an optical reader having a programmable memory system |
US7379901B1 (en) | 1998-09-11 | 2008-05-27 | Lv Partners, L.P. | Accessing a vendor web site using personal account information retrieved from a credit card company web site |
US7392945B1 (en) | 1998-09-11 | 2008-07-01 | Lv Partners, L.P. | Portable scanner for enabling automatic commerce transactions |
US7191247B1 (en) | 1998-09-11 | 2007-03-13 | Lv Partners, Lp | Method for connecting a wireless device to a remote location on a network |
US6704864B1 (en) * | 1999-08-19 | 2004-03-09 | L.V. Partners, L.P. | Automatic configuration of equipment software |
US6868433B1 (en) | 1998-09-11 | 2005-03-15 | L.V. Partners, L.P. | Input device having positional and scanning capabilities |
US6636896B1 (en) | 1998-09-11 | 2003-10-21 | Lv Partners, L.P. | Method and apparatus for utilizing an audibly coded signal to conduct commerce over the internet |
DE19907729C2 (de) * | 1999-02-23 | 2001-02-22 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Erzeugen eines Datenstroms aus Codeworten variabler Länge und Verfahren und Vorrichtung zum Lesen eines Datenstroms aus Codeworten variabler Länge |
DE19907964C1 (de) * | 1999-02-24 | 2000-08-10 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Erzeugen eines verschlüsselten Datenstroms und Vorrichtung und Verfahren zum Erzeugen eines entschlüsselten Audio- und/oder Videosignals |
US6687663B1 (en) * | 1999-06-25 | 2004-02-03 | Lake Technology Limited | Audio processing method and apparatus |
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US6961011B2 (en) * | 2001-08-27 | 2005-11-01 | Freescale Semiconductor, Inc. | Data compression system |
US6934677B2 (en) | 2001-12-14 | 2005-08-23 | Microsoft Corporation | Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands |
US7016547B1 (en) * | 2002-06-28 | 2006-03-21 | Microsoft Corporation | Adaptive entropy encoding/decoding for screen capture content |
ATE543179T1 (de) | 2002-09-04 | 2012-02-15 | Microsoft Corp | Entropische kodierung mittels anpassung des kodierungsmodus zwischen niveau- und lauflängenniveau-modus |
US7433824B2 (en) * | 2002-09-04 | 2008-10-07 | Microsoft Corporation | Entropy coding by adapting coding between level and run-length/level modes |
US7123774B2 (en) * | 2002-11-27 | 2006-10-17 | General Electric Company | System and method for coding data |
JP4165298B2 (ja) * | 2003-05-29 | 2008-10-15 | 株式会社日立製作所 | 端末装置、及び通信網の切替え方法 |
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 |
US7688894B2 (en) * | 2003-09-07 | 2010-03-30 | Microsoft Corporation | Scan patterns for interlaced video content |
US7782954B2 (en) * | 2003-09-07 | 2010-08-24 | Microsoft Corporation | Scan patterns for progressive video content |
US7724827B2 (en) * | 2003-09-07 | 2010-05-25 | Microsoft Corporation | Multi-layer run level encoding and decoding |
US7599840B2 (en) | 2005-07-15 | 2009-10-06 | Microsoft Corporation | Selectively using multiple entropy models in adaptive coding and decoding |
US7684981B2 (en) * | 2005-07-15 | 2010-03-23 | Microsoft Corporation | Prediction of spectral coefficients in waveform coding and decoding |
US7693709B2 (en) * | 2005-07-15 | 2010-04-06 | Microsoft Corporation | Reordering coefficients for waveform coding or decoding |
US7565018B2 (en) * | 2005-08-12 | 2009-07-21 | Microsoft Corporation | Adaptive coding and decoding of wide-range coefficients |
US7933337B2 (en) * | 2005-08-12 | 2011-04-26 | Microsoft Corporation | Prediction of transform coefficients for image compression |
US8599925B2 (en) * | 2005-08-12 | 2013-12-03 | Microsoft Corporation | Efficient coding and decoding of transform blocks |
US8184710B2 (en) * | 2007-02-21 | 2012-05-22 | Microsoft Corporation | Adaptive truncation of transform coefficient data in a transform-based digital media codec |
US7774205B2 (en) * | 2007-06-15 | 2010-08-10 | Microsoft Corporation | Coding of sparse digital media spectral data |
KR101449434B1 (ko) * | 2008-03-04 | 2014-10-13 | 삼성전자주식회사 | 복수의 가변장 부호 테이블을 이용한 멀티 채널 오디오를부호화/복호화하는 방법 및 장치 |
US8179974B2 (en) | 2008-05-02 | 2012-05-15 | Microsoft Corporation | Multi-level representation of reordered transform coefficients |
US8406307B2 (en) | 2008-08-22 | 2013-03-26 | Microsoft Corporation | Entropy coding/decoding of hierarchically organized data |
GB2466666B (en) * | 2009-01-06 | 2013-01-23 | Skype | Speech coding |
KR20110011357A (ko) * | 2009-07-28 | 2011-02-08 | 삼성전자주식회사 | 비트의 순서를 변경한 데이터의 부호화, 복호화 방법 및 장치 |
US8572042B2 (en) * | 2011-01-25 | 2013-10-29 | Andrew LEPPARD | Manipulating the actual or effective window size in a data-dependant variable-length sub-block parser |
US8824598B2 (en) * | 2012-12-18 | 2014-09-02 | Telefonaktiebolaget L M Ericsson (Publ) | System and method for communicating information in a wireless network |
US10049140B2 (en) * | 2015-08-28 | 2018-08-14 | International Business Machines Corporation | Encoding system, method, and recording medium for time grams |
US10069519B1 (en) * | 2018-01-23 | 2018-09-04 | Mitsubishi Electric Research Laboratories, Inc. | Partition based distribution matcher for probabilistic constellation shaping |
GB201804948D0 (en) * | 2018-03-27 | 2018-05-09 | Nchain Holdings Ltd | Computer implemented system and method |
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JPS62247626A (ja) | 1986-04-19 | 1987-10-28 | Fuji Photo Film Co Ltd | 符号化方法 |
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DE69619002T2 (de) | 1995-03-10 | 2002-11-21 | Kabushiki Kaisha Toshiba, Kawasaki | Bildkodierungs-/-dekodierungsvorrichtung |
US5884269A (en) | 1995-04-17 | 1999-03-16 | Merging Technologies | Lossless compression/decompression of digital audio data |
JP3181809B2 (ja) | 1995-05-31 | 2001-07-03 | シャープ株式会社 | データ圧縮のための圧縮コードの復元回路 |
US5825830A (en) | 1995-08-17 | 1998-10-20 | Kopf; David A. | Method and apparatus for the compression of audio, video or other data |
US5819215A (en) * | 1995-10-13 | 1998-10-06 | Dobson; Kurt | Method and apparatus for wavelet based data compression having adaptive bit rate control for compression of digital audio or other sensory data |
US5933104A (en) | 1995-11-22 | 1999-08-03 | Microsoft Corporation | Method and system for compression and decompression using variable-sized offset and length fields |
US5831559A (en) | 1996-01-24 | 1998-11-03 | Intel Corporation | Encoding/decoding video signals using multiple run-val mapping tables |
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 |
JP3277792B2 (ja) | 1996-01-31 | 2002-04-22 | 株式会社日立製作所 | データ圧縮方法および装置 |
JP3267142B2 (ja) | 1996-02-23 | 2002-03-18 | ケイディーディーアイ株式会社 | 可変長符号生成装置 |
US5790706A (en) | 1996-07-03 | 1998-08-04 | Motorola, Inc. | Method and apparatus for scanning of transform coefficients |
US5959560A (en) | 1997-02-07 | 1999-09-28 | Said; Amir | Data compression via alphabet partitioning and group partitioning |
US5999949A (en) | 1997-03-14 | 1999-12-07 | Crandall; Gary E. | Text file compression system utilizing word terminators |
US6100824A (en) | 1998-04-06 | 2000-08-08 | National Dispatch Center, Inc. | System and method for data compression |
US6029126A (en) | 1998-06-30 | 2000-02-22 | Microsoft Corporation | Scalable audio coder and decoder |
US6223162B1 (en) * | 1998-12-14 | 2001-04-24 | Microsoft Corporation | Multi-level run length coding for frequency-domain audio coding |
US6300888B1 (en) * | 1998-12-14 | 2001-10-09 | Microsoft Corporation | Entrophy code mode switching for frequency-domain audio coding |
-
1998
- 1998-12-14 US US09/211,294 patent/US6377930B1/en not_active Expired - Lifetime
-
1999
- 1999-12-07 AT AT99966062T patent/ATE269605T1/de not_active IP Right Cessation
- 1999-12-07 WO PCT/US1999/029108 patent/WO2000036752A1/en active IP Right Grant
- 1999-12-07 EP EP99966062A patent/EP1142129B1/de not_active Expired - Lifetime
- 1999-12-07 JP JP2000588900A patent/JP4559632B2/ja not_active Expired - Lifetime
- 1999-12-07 DE DE69918172T patent/DE69918172T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1142129A1 (de) | 2001-10-10 |
DE69918172T2 (de) | 2009-10-01 |
EP1142129B1 (de) | 2004-06-16 |
WO2000036752A1 (en) | 2000-06-22 |
JP2002533006A (ja) | 2002-10-02 |
ATE269605T1 (de) | 2004-07-15 |
US6377930B1 (en) | 2002-04-23 |
JP4559632B2 (ja) | 2010-10-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |