October 2017
Intermediate to advanced
790 pages
46h 35m
English
Content preview from Introduction to Data Compression, 5th Edition
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Chapter 15
Wavelets
Abstract
In this chapter, we introduce the concept of wavelets and describe how to use wavelet-based decompositions in compression schemes. We begin with an introduction to wavelets and multiresolution analysis and then describe how we can implement a wavelet decomposition using filters. We then examine the implementations of several wavelet-based compression schemes.
Keywords
Wavelets; Multiresolution analysis; Scaling; Mother wavelet; Biorthogonal wavelets; Lifting; Filters
15.1 Overview
We have looked at compression schemes that make use of temporal and spatial correlation, and we have looked at compression schemes that use spectral structure in the signal. Implicit in these techniques is an underlying assumption ...
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