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Ondelettes Analyses Multi Resolutions Et Traitement Numerique Du Signal
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Book Synopsis Ondelettes, analyses multi résolutions et traitement numérique du signal by : Albert Cohen
Download or read book Ondelettes, analyses multi résolutions et traitement numérique du signal written by Albert Cohen and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'objet de cette thèse est de clarifier les liens existants entre les techniques de codage en sous-bandes des signaux numériques et la théorie des ondelettes et de l'analyse multi résolution. Les principaux résultats fournissent une caractérisation exacte des filtres miroirs en quadrature associés à des analyses multi résolutions et une estimation de la régularité des ondelettes correspondantes. Ce point de vue est repris par la suite en considérant une classe de filtres plus vaste. Nous généralisons ainsi les bases orthonormées d'ondelettes en construisant des familles bi orthogonales multi échelles qui permettent d'analyser de nombreux espaces fonctionnels. Enfin, une application est présentée dans le cadre de la compression des images digitales.
Book Synopsis ONDELETTES, ANALYSES MULTIRESOLUTIONS ET TRAITEMENT NUMERIQUE DU SIGNAL by : ALBERT.. COHEN
Download or read book ONDELETTES, ANALYSES MULTIRESOLUTIONS ET TRAITEMENT NUMERIQUE DU SIGNAL written by ALBERT.. COHEN and published by . This book was released on 1990 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'OBJET DE CETTE THESE EST DE CLARIFIER LES LIENS EXISTANTS ENTRE LES TECHNIQUES DE CODAGE EN SOUS-BANDES DES SIGNAUX NUMERIQUES ET LA THEORIE DES ONDELETTES ET DE L'ANALYSE MULTIRESOLUTION. LES PRINCIPAUX RESULTATS FOURNISSENT UNE CARACTERISATION EXACTE DES FILTRES MIROIRES EN QUADRATURE ASSOCIES A DES ANALYSES MULTIRESOLUTIONS ET UNE ESTIMATION DE LA REGULARITE DES ONDELETTES CORRESPONDANTES. CE POINT DE VUE EST REPRIS PAR LA SUITE EN CONSIDERANT UNE CLASSE DE FILTRES PLUS VASTE. NOUS GENERALISONS AINSI LES BASES ORTHONORMEES D'ONDELETTES EN CONSTRUISANT DES FAMILLES BIORTHOGONALES MULTIECHELLES QUI PERMETTENT D'ANALYSER DE NOMBREUX ESPACES FONCTIONNELS. ENFIN, UNE APPLICATION EST PRESENTEE DANS LE CADRE DE LA COMPRESSION DES IMAGES DIGITALES
Book Synopsis Wavelets and their Applications by : Michel Misiti
Download or read book Wavelets and their Applications written by Michel Misiti and published by John Wiley & Sons. This book was released on 2013-03-01 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: The last 15 years have seen an explosion of interest in wavelets with applications in fields such as image compression, turbulence, human vision, radar and earthquake prediction. Wavelets represent an area that combines signal in image processing, mathematics, physics and electrical engineering. As such, this title is intended for the wide audience that is interested in mastering the basic techniques in this subject area, such as decomposition and compression.
Download or read book Wavelets written by Gordon Erlebacher and published by Oxford University Press, USA. This book was released on 1996 with total page 523 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wavelets are spatially localized functions whose amplitude drops off exponentially outside a small "window". They are used to magnify experimental or numerical data and have become powerful tools in signal processing and other computational sciences. This book gives scientists and engineers a practical understanding of wavelets--their origins, their purpose, their use, and their prospects. It covers the applications of wavelets as a diagnostic tool and the use of wavelet basis functions to solve differential equations. Each chapter was written by one of five lecturers of a course sponsored by the Institute of Computer Applications in Science and Engineering (ICASE) and the NASA Langley Research Center. Not only does this book treat the latest advances on the subject, but it also attempts to impart practical knowledge to allow scientists and engineers to evaluate objectively where these tools stand in relation to their needs.
Book Synopsis Wavelets in Signal and Image Analysis by : A.A. Petrosian
Download or read book Wavelets in Signal and Image Analysis written by A.A. Petrosian and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite their novelty, wavelets have a tremendous impact on a number of modern scientific disciplines, particularly on signal and image analysis. Because of their powerful underlying mathematical theory, they offer exciting opportunities for the design of new multi-resolution processing algorithms and effective pattern recognition systems. This book provides a much-needed overview of current trends in the practical application of wavelet theory. It combines cutting edge research in the rapidly developing wavelet theory with ideas from practical signal and image analysis fields. Subjects dealt with include balanced discussions on wavelet theory and its specific application in diverse fields, ranging from data compression to seismic equipment. In addition, the book offers insights into recent advances in emerging topics such as double density DWT, multiscale Bayesian estimation, symmetry and locality in image representation, and image fusion. Audience: This volume will be of interest to graduate students and researchers whose work involves acoustics, speech, signal and image processing, approximations and expansions, Fourier analysis, and medical imaging.
Book Synopsis Analyse multirésolution pour le signal et l’image by : OUAHABI Abdeldjalil
Download or read book Analyse multirésolution pour le signal et l’image written by OUAHABI Abdeldjalil and published by Lavoisier. This book was released on 2012-11-06 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: L’analyse à diverses échelles de phénomènes complexes très irréguliers est une préoccupation quotidienne de chercheurs, d’ingénieurs et de praticiens de diverses disciplines (multimédia, télécommunications, médecine et biologie, traitement du signal et de l’image, mécanique des ruptures et des fluides, thermique, énergétique, microélectronique, astrophysique, finance, etc.). Le concept d’analyse multirésolution à base d’ondelettes constitue un outil universel performant répondant, souvent sans connaissance a priori, à ce besoin. Cet ouvrage revisite de façon simple et didactique les principales notions de l’analyse multirésolution à une et à deux dimensions et illustre l’intérêt de ce concept par quelques applications récentes en extraction de caractéristiques et classification, en compression adaptative, en masquage des erreurs de codage et de transmission d’images, en suppression de bruit corrélé, dont les plus remarquables relèvent du domaine médical (ECG, EEG, BCI, fMRI, détection de microemboles) et du domaine des télécommunications et multimédia (notamment en compression multimodale d’images HD).
Book Synopsis Computation and Applied Mathematics by :
Download or read book Computation and Applied Mathematics written by and published by . This book was released on 1996 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wavelets in Geodesy and Geodynamics by : Wolfgang Keller
Download or read book Wavelets in Geodesy and Geodynamics written by Wolfgang Keller and published by Walter de Gruyter. This book was released on 2008-08-22 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: For many years, digital signal processing has been governed by the theory of Fourier transform and its numerical implementation. The main disadvantage of Fourier theory is the underlying assumption that the signals have time-wise or space-wise invariant statistical properties. In many applications the deviation from a stationary behavior is precisely the information to be extracted from the signals. Wavelets were developed to serve the purpose of analysing such instationary signals. The book gives an introduction to wavelet theory both in the continuous and the discrete case. After developing the theoretical fundament, typical examples of wavelet analysis in the Geosciences are presented. The book has developed from a graduate course held at The University of Calgary and is directed to graduate students who are interested in digital signal processing. The reader is assumed to have a mathematical background on the graduate level.
Book Synopsis Two-dimensional Signal Analysis by : René Garello
Download or read book Two-dimensional Signal Analysis written by René Garello and published by John Wiley & Sons. This book was released on 2013-03-01 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title sets out to show that 2-D signal analysis has its own role to play alongside signal processing and image processing. Concentrating its coverage on those 2-D signals coming from physical sensors (such as radars and sonars), the discussion explores a 2-D spectral approach but develops the modeling of 2-D signals and proposes several data-oriented analysis techniques for dealing with them. Coverage is also given to potential future developments in this area.
Book Synopsis Wavelet Theory and Its Applications by : Randy K. Young
Download or read book Wavelet Theory and Its Applications written by Randy K. Young and published by Springer Science & Business Media. This book was released on 1992-09-30 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: The continuous wavelet transform has deep mathematical roots in the work of Alberto P. Calderon. His seminal paper on complex method of interpolation and intermediate spaces provided the main tool for describing function spaces and their approximation properties. The Calderon identities allow one to give integral representations of many natural operators by using simple pieces of such operators, which are more suited for analysis. These pieces, which are essentially spectral projections, can be chosen in clever ways and have proved to be of tremendous utility in various problems of numerical analysis, multidimensional signal processing, video data compression, and reconstruction of high resolution images and high quality speech. A proliferation of research papers and a couple of books, written in English (there is an earlier book written in French), have emerged on the subject. These books, so far, are written by specialists for specialists, with a heavy mathematical flavor, which is characteristic of the Calderon-Zygmund theory and related research of Duffin-Schaeffer, Daubechies, Grossman, Meyer, Morlet, Chui, and others. Randy Young's monograph is geared more towards practitioners and even non-specialists, who want and, probably, should be cognizant of the exciting proven as well as potential benefits which have either already emerged or are likely to emerge from wavelet theory.
Book Synopsis Fundamentals Of Wavelets:Theory, Algorithms And Applications by : Goswami
Download or read book Fundamentals Of Wavelets:Theory, Algorithms And Applications written by Goswami and published by . This book was released on 2006-11-21 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Wavelets offer a practical, up-to-date overview of wavelet theory from an engineering point of view. Based on courses taught by the authors at Texas A&M University and at professional, international, technical conferences, this accessible yet detailed treatment provides readers with a clear understanding of the theory and the application of wavelet analysis in many areas of engineering. · Mathematical Preliminaries· Fourier Analysis· Time-Frequency Analysis· Multi resolution Analysis· Construction of Wavelets· Discrete Wavelet Transform and Filter Bank Algorithms· Fast Integral Transform and Applications· Digital Signal Processing Applications· Wavelets in Boundary Value Problems
Download or read book Wavelets written by Robert X Gao and published by Springer Science & Business Media. This book was released on 2010-12-07 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wavelets: Theory and Applications for Manufacturing presents a systematic description of the fundamentals of wavelet transform and its applications. Given the widespread utilization of rotating machines in modern manufacturing and the increasing need for condition-based, as opposed to fix-interval, intelligent maintenance to minimize machine down time and ensure reliable production, it is of critical importance to advance the science base of signal processing in manufacturing. This volume also deals with condition monitoring and health diagnosis of rotating machine components and systems, such as bearings, spindles, and gearboxes, while also: -Providing a comprehensive survey on wavelets specifically related to problems encountered in manufacturing -Discussing the integration of wavelet transforms with other soft computing techniques such as fuzzy logic, for machine defect and severity classification -Showing how to custom design wavelets for improved performance in signal analysis Focusing on wavelet transform as a tool specifically applied and designed for applications in manufacturing, Wavelets: Theory and Applications for Manufacturing presents material appropriate for both academic researchers and practicing engineers working in the field of manufacturing.
Book Synopsis Ondelettes et traitement numérique du signal by : A. Cohen
Download or read book Ondelettes et traitement numérique du signal written by A. Cohen and published by Elsevier Masson. This book was released on 1992 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Canadian Journal of Civil Engineering by :
Download or read book Canadian Journal of Civil Engineering written by and published by . This book was released on 2004 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wavelets written by M. Holschneider and published by Oxford University Press, USA. This book was released on 1995 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wavelets analysis is a recent and rapidly growing area which is attracting a lot of interest, both in its own right and in the area of its applications. This timely book gives a self-contained introduction to wavelet analysis taking account of the continuous transform as well as itsdiscretized version, the ortho-normal basis. The book begins by introducing the continuous wavelets transform in one dimension using many examples. There are detailed discussions of wavelet analysis of regular functions, tempered distributions and square integrable functions. The continuouswavelet transform is deduced by means of various sampling theorems. It is then used as a mathematical microscope to analyse fractals. The language of group theory is used to unify various approaches.
Book Synopsis Les Ondelettes en 1989 by : Pierre G. Lemarie
Download or read book Les Ondelettes en 1989 written by Pierre G. Lemarie and published by Springer. This book was released on 2006-11-14 with total page 219 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book surveys the recent theory of wavelet transforms and its applications in various fields both within mathematics (singular integrals, localization of singularities) and beyond it, in computer vision, the physics of fractals, time-frequency analysis.
Book Synopsis ANALYSE MULTIRESOLUTION PAR ONDELETTES NON ORTHOGONALES ET BANCS DE FILTRES NUMERIQUES by : Jean-Christophe Feauveau
Download or read book ANALYSE MULTIRESOLUTION PAR ONDELETTES NON ORTHOGONALES ET BANCS DE FILTRES NUMERIQUES written by Jean-Christophe Feauveau and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: LES TRAVAUX PRESENTES PORTENT SUR LES ANALYSES MULTIRESOLUTIONS PAR ONDELETTES ORTHOGONALES ET NON ORTHOGONALES, AINSI QUE SUR LES ALGORITHMES QUI S'EN DEDUISENT. LES ANALYSES MULTIRESOLUTIONS ETUDIEES PERMETTENT L'ANALYSE D'UN SIGNAL, OU D'UNE IMAGE, EN LE PROJETANT SUR UNE SUITE CROISSANTE D'ESPACES EMBOITES QUI S'INTERPRETENT EN TERME D'ECHELLE. AFIN D'EXTRAIRE UNE INFORMATION NON REDONDANTE, IL EST ALORS POSSIBLE D'ISOLER LES DETAILS GOMMES LORS D'UNE PERTE DE RESOLUTION ENTRE DEUX ECHELLES: C'EST LE ROLE DE L'ONDELETTE ASSOCIEE A L'ANALYSE MULTIRESOLUTION. JUSQU'A PRESENT, LA THEORIE IMPOSAIT AUX PROJECTEURS DE L'ANALYSE D'ETRE ORTHOGONAUX, CE QUI RESTREIGNAIT GRANDEMENT LE CHOIX DES ANALYSES REELLEMENT IMPLEMENTABLES SUR MACHINE. C'EST UNE DES RAISONS POUR LESQUELLES NOUS AVONS DEVELOPPE UNE THEORIE D'ANALYSE MULTI-RESOLUTION ISSUE DE PROJECTEURS NON ORTHOGONAUX. PAR AILLEURS, L'IMPLEMENTATION NEURONALE DES ALGORITHMES D'ANALYSES MULTIRESOLUTIONS NOUS A CONDUIT A ETUDIER LA THEORIE DES BANCS DE FILTRES NUMERIQUES. LA NOTION MEME D'ANALYSE MULTIRESOLUTION NOUS A ALORS PERMIS DE DEFINIR UNE NOUVELLE APPROCHE DES BANCS DE FILTRES AINSI QUE DE NOUVEAUX OUTILS THEORIQUES ET PRATIQUES UTILES POUR LA COMPREHENSION ET L'UTILISATION DE CES TECHNIQUES DE FILTRAGES
