FR2643986B1 - Procede d'analyse d'un signal par ondelettes - Google Patents

Procede d'analyse d'un signal par ondelettes

Info

Publication number
FR2643986B1
FR2643986B1 FR8902790A FR8902790A FR2643986B1 FR 2643986 B1 FR2643986 B1 FR 2643986B1 FR 8902790 A FR8902790 A FR 8902790A FR 8902790 A FR8902790 A FR 8902790A FR 2643986 B1 FR2643986 B1 FR 2643986B1
Authority
FR
France
Prior art keywords
analysis method
signal analysis
waves signal
waves
signal
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
FR8902790A
Other languages
English (en)
Other versions
FR2643986A1 (fr
Inventor
Jean-Marie Nicolas
Alain Lemer
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR8902790A priority Critical patent/FR2643986B1/fr
Priority to US07/481,336 priority patent/US5124930A/en
Publication of FR2643986A1 publication Critical patent/FR2643986A1/fr
Application granted granted Critical
Publication of FR2643986B1 publication Critical patent/FR2643986B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Complex Calculations (AREA)
FR8902790A 1989-03-03 1989-03-03 Procede d'analyse d'un signal par ondelettes Expired - Lifetime FR2643986B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8902790A FR2643986B1 (fr) 1989-03-03 1989-03-03 Procede d'analyse d'un signal par ondelettes
US07/481,336 US5124930A (en) 1989-03-03 1990-02-20 Method for analyzing a signal by wavelets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8902790A FR2643986B1 (fr) 1989-03-03 1989-03-03 Procede d'analyse d'un signal par ondelettes

Publications (2)

Publication Number Publication Date
FR2643986A1 FR2643986A1 (fr) 1990-09-07
FR2643986B1 true FR2643986B1 (fr) 1991-05-17

Family

ID=9379334

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8902790A Expired - Lifetime FR2643986B1 (fr) 1989-03-03 1989-03-03 Procede d'analyse d'un signal par ondelettes

Country Status (2)

Country Link
US (1) US5124930A (fr)
FR (1) FR2643986B1 (fr)

Families Citing this family (45)

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US7242988B1 (en) * 1991-12-23 2007-07-10 Linda Irene Hoffberg Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
JP2736584B2 (ja) * 1992-06-30 1998-04-02 花王株式会社 高速演算装置および方法，信号解析システム，ならびに計測装置および方法
US5495554A (en) * 1993-01-08 1996-02-27 Zilog, Inc. Analog wavelet transform circuitry
EP0622741A3 (fr) * 1993-03-30 1998-12-30 KLICS, Ltd. Dispositif et méthode pour la compression et la décompression de données
US5546477A (en) * 1993-03-30 1996-08-13 Klics, Inc. Data compression and decompression
US5481269A (en) * 1994-05-27 1996-01-02 Westinghouse Electric Corp. General frame wavelet classifier
US5748786A (en) 1994-09-21 1998-05-05 Ricoh Company, Ltd. Apparatus for compression using reversible embedded wavelets
JP3302229B2 (ja) 1994-09-20 2002-07-15 株式会社リコー 符号化方法、符号化／復号方法及び復号方法
US6229927B1 (en) 1994-09-21 2001-05-08 Ricoh Company, Ltd. Reversible embedded wavelet system implementation
US5881176A (en) 1994-09-21 1999-03-09 Ricoh Corporation Compression and decompression with wavelet style and binary style including quantization by device-dependent parser
US6549666B1 (en) * 1994-09-21 2003-04-15 Ricoh Company, Ltd Reversible embedded wavelet system implementation
US6195465B1 (en) 1994-09-21 2001-02-27 Ricoh Company, Ltd. Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US5966465A (en) * 1994-09-21 1999-10-12 Ricoh Corporation Compression/decompression using reversible embedded wavelets
US6873734B1 (en) 1994-09-21 2005-03-29 Ricoh Company Ltd Method and apparatus for compression using reversible wavelet transforms and an embedded codestream
US5592171A (en) * 1995-08-17 1997-01-07 The United States Of America As Represented By The Secretary Of Commerce Wind profiling radar
JPH09128375A (ja) * 1995-10-27 1997-05-16 Hitachi Ltd 時系列データの周波数解析方法
US6144773A (en) * 1996-02-27 2000-11-07 Interval Research Corporation Wavelet-based data compression
US5781144A (en) * 1996-07-03 1998-07-14 Litton Applied Technology Wide band video signal denoiser and method for denoising
US5757309A (en) * 1996-12-18 1998-05-26 The United States Of America As Represented By The Secretary Of The Navy Spatial frequency feature extraction for a classification system using wavelets
JPH10198657A (ja) * 1997-01-08 1998-07-31 Toshiba Corp 信号処理装置
US5999656A (en) * 1997-01-17 1999-12-07 Ricoh Co., Ltd. Overlapped reversible transforms for unified lossless/lossy compression
US6105015A (en) * 1997-02-03 2000-08-15 The United States Of America As Represented By The Secretary Of The Navy Wavelet-based hybrid neurosystem for classifying a signal or an image represented by the signal in a data system
US5990823A (en) * 1997-05-07 1999-11-23 Lockheed Martin Corporation Wavelet-based radar
WO1998054675A1 (fr) 1997-05-30 1998-12-03 Interval Research Corporation Procede et appareil de compression de donnees par ondelettes
US6044172A (en) * 1997-12-22 2000-03-28 Ricoh Company Ltd. Method and apparatus for reversible color conversion
AU1916800A (en) * 1998-11-20 2000-06-13 Interval Research Corporation Low cost video compression using fast, modified z-coding of wavelet pyramids
US6314452B1 (en) 1999-08-31 2001-11-06 Rtimage, Ltd. System and method for transmitting a digital image over a communication network
US6448909B1 (en) 2000-01-28 2002-09-10 The United States Of America As Represented By The Secretary Of The Navy Analog continuous wavelet transform circuit
US20010047516A1 (en) * 2000-02-01 2001-11-29 Compaq Computer Corporation System for time shifting live streamed video-audio distributed via the internet
US7024046B2 (en) * 2000-04-18 2006-04-04 Real Time Image Ltd. System and method for the lossless progressive streaming of images over a communication network
WO2002048966A1 (fr) * 2000-12-14 2002-06-20 Rtimage Inc. Three-dimensional image streaming system and method for medical images
US6898323B2 (en) * 2001-02-15 2005-05-24 Ricoh Company, Ltd. Memory usage scheme for performing wavelet processing
US7006697B1 (en) 2001-03-30 2006-02-28 Ricoh Co., Ltd. Parallel block MQ arithmetic image compression of wavelet transform coefficients
US7062101B2 (en) 2001-03-30 2006-06-13 Ricoh Co., Ltd. Method and apparatus for storing bitplanes of coefficients in a reduced size memory
US6950558B2 (en) * 2001-03-30 2005-09-27 Ricoh Co., Ltd. Method and apparatus for block sequential processing
US6859563B2 (en) 2001-03-30 2005-02-22 Ricoh Co., Ltd. Method and apparatus for decoding information using late contexts
US6895120B2 (en) * 2001-03-30 2005-05-17 Ricoh Co., Ltd. 5,3 wavelet filter having three high pair and low pair filter elements with two pairs of cascaded delays
US7581027B2 (en) * 2001-06-27 2009-08-25 Ricoh Co., Ltd. JPEG 2000 for efficent imaging in a client/server environment
US7280252B1 (en) 2001-12-19 2007-10-09 Ricoh Co., Ltd. Error diffusion of multiresolutional representations
US7095907B1 (en) 2002-01-10 2006-08-22 Ricoh Co., Ltd. Content and display device dependent creation of smaller representation of images
US7120305B2 (en) * 2002-04-16 2006-10-10 Ricoh, Co., Ltd. Adaptive nonlinear image enlargement using wavelet transform coefficients
WO2004075093A2 (fr) * 2003-02-14 2004-09-02 University Of Rochester Extraction de caracteristiques musicales utilisant des histogrammes de coefficients d'ondelettes
US7120562B1 (en) 2003-12-17 2006-10-10 L-3 Integrated Systems Company Signal source identification utilizing wavelet-based signal processing and associated method
US7805005B2 (en) * 2005-08-02 2010-09-28 The United States Of America As Represented By The Secretary Of The Army Efficient imagery exploitation employing wavelet-based feature indices
US20070073797A1 (en) * 2005-09-29 2007-03-29 Lockheed Martin Corporation Recursive method for solving the inexact greatest common divisor problem

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59113500A (ja) * 1982-12-20 1984-06-30 電子計算機基本技術研究組合 相関関数計算装置
GB8429879D0 (en) * 1984-11-27 1985-01-03 Rca Corp Signal processing apparatus
US4768174A (en) * 1986-09-29 1988-08-30 Chevron Research Company Method for generating and collecting random vibratory seismic data wherein a pre-specified wavelet of minimum side lobe content is always produced in the final correlations by maintaining domain consistency
US4837723A (en) * 1987-01-30 1989-06-06 Amoco Corporation Method and apparatus for continuous time-variant digital filtering
US4884247A (en) * 1987-03-09 1989-11-28 Mobil Oil Company Method of processing geophysical data to compensate for earth filter attenuation
US4797860A (en) * 1987-11-27 1989-01-10 Mobil Oil Corporation Method for shot point analysis of seismic reflection signals
US4974187A (en) * 1989-08-02 1990-11-27 Aware, Inc. Modular digital signal processing system

Also Published As

Publication number Publication date
US5124930A (en) 1992-06-23
FR2643986A1 (fr) 1990-09-07

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