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April 15, 2012
9781421404950
English
304
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v2.1 Reference
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April 15, 2012
9781421404967
English
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88
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6.13 Inches (US)
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.95 Pounds (US)
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Electronic book text
April 15, 2012
9781421405599
9781421404967
English
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$48.00 USD, £35.50 GBP
v2.1 Reference

Wavelets

A Concise Guide

Introduced nearly three decades ago as a variable resolution alternative to the Fourier transform, a wavelet is a short oscillatory waveform for analysis of transients. The discrete wavelet transform has remarkable multi-resolution and energy-compaction properties. Amir-Homayoon Najmi’s introduction to wavelet theory explains this mathematical concept clearly and succinctly.

Wavelets are used in processing digital signals and imagery from myriad sources. They form the backbone of the JPEG2000 compression standard, and the Federal Bureau of Investigation uses biorthogonal wavelets to compress and store its vast database of fingerprints. Najmi provides the mathematics that demonstrate how wavelets work, describes how to construct them, and discusses their importance as a tool to investigate and process signals and imagery. He reviews key concepts such as frames, localizing transforms, orthogonal and biorthogonal bases, and multi-resolution. His examples include the Haar, the Shannon, and the Daubechies families of orthogonal and biorthogonal wavelets.

Our capacity and need for collecting and transmitting digital data is increasing at an astonishing rate. So too is the importance of wavelets to anyone working with and analyzing digital data. Najmi’s primer will be an indispensable resource for those in computer science, the physical sciences, applied mathematics, and engineering who wish to obtain an in-depth understanding and working knowledge of this fascinating and evolving field.

About the Author

Amir-Homayoon Najmi completed the Mathematical Tripos at Cambridge University and obtained his D.Phil. at Oxford University. He is with the Johns Hopkins University's Applied Physics Laboratory and is a faculty member of the Whiting School of Engineering CE programs in applied physics and electrical engineering.

Reviews

"A complete, concise and clear exposition of the more traditional tools related to linear filtering."

- Davide Barbieri - Mathematical Reviews

"Since their emergence in the last eighties and early nineties of the twentieth century, wavelets and other multi-scale transforms have become powerful signal and image processing tools. Najmi's book provides physicists and engineers with a clear and concise introduction to this fascinating field."

- Ignace Loris - American Journal of Physics
Johns Hopkins University Press
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9781421404950 : wavelets-najmi
Hardback
304 Pages
$98.00 USD
9781421404967 : wavelets-najmi
Paperback / softback
304 Pages
$48.00 USD
9781421405599 : wavelets-najmi
Electronic book text
304 Pages
$48.00 USD

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