Multivariate Polysplines: Applications to Numerical and Wavelet Analysis

Kounchev, Ognyan

ISBN 10: 0124224903 / ISBN 13: 9780124224902

Published by Academic Press, 2001

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Bibliographic Details

• Title: Multivariate Polysplines: Applications to Numerical and Wavelet Analysis
• Publisher: Academic Press
• Publication Date: 2001
• Language: English
• ISBN 10: 0124224903
• ISBN 13: 9780124224902
• Binding: Hardcover
• Condition: New

About this title

Synopsis

Multivariate polysplines are a new mathematical technique that has arisen from a synthesis of approximation theory and the theory of partial differential equations. It is an invaluable means to interpolate practical data with smooth functions.

Multivariate polysplines have applications in the design of surfaces and "smoothing" that are essential in computer aided geometric design (CAGD and CAD/CAM systems), geophysics, magnetism, geodesy, geography, wavelet analysis and signal and image processing. In many cases involving practical data in these areas, polysplines are proving more effective than well-established methods, such as kKriging, radial basis functions, thin plate splines and minimum curvature.

• Part 1 assumes no special knowledge of partial differential equations and is intended as a graduate level introduction to the topic
• Part 2 develops the theory of cardinal Polysplines, which is a natural generalization of Schoenberg's beautiful one-dimensional theory of cardinal splines
• Part 3 constructs a wavelet analysis using cardinal Polysplines. The results parallel those found by Chui for the one-dimensional case
• Part 4 considers the ultimate generalization of Polysplines - on manifolds, for a wide class of higher-order elliptic operators and satisfying a Holladay variational property

About the Author

Ognyan Kounchev received his M.S. in partial differential equations from Sofia University, Bulgaria and his Ph.D. in optimal control of partial differential equations and numerical methods from the University of Belarus, Minsk. He was awarded a grant from the Volkswagen Foundation (1996-1999) for studying the applications of partial differential equations in approximation and spline theory. Currently, Dr Kounchev is a Fulbright Scholar at the University of Wisconsin-Madison where he works in the Wavelet Ideal Data Representation Center in the Department of Computer Sciences.