Wavelets for computer graphics: a primer.1
Stollnitz, E.J.
DeRose, A.D.
Salesin, D.H.
Dept. of Appl. Math., Washington Univ., Seattle, WA;
This paper appears in: Computer Graphics and Applications, IEEE
Publication Date: May 1995
Volume: 15,
Issue: 3
On page(s): 76-84
ISSN: 0272-1716
References Cited: 16
CODEN: ICGADZ
INSPEC Accession Number: 4952365
Digital Object Identifier: 10.1109/38.376616
Current Version Published: 2002-08-06
Abstract
Wavelets are a mathematical tool for hierarchically decomposing
functions. They allow a function to be described in terms of a coarse
overall shape, plus details that range from broad to narrow. Regardless
of whether the function of interest is an image, a curve, or a surface,
wavelets offer an elegant technique for representing the levels of
detail present. The article is intended to provide people working in
computer graphics with some intuition for what wavelets are, as well as
to present the mathematical foundations necessary for studying and using
them. We discuss the simple case of Haar wavelets in one and two
dimensions, and show how they can be used for image compression
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