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   -> Volume 4, Issue 4


Preprint: Spherical wavelets: Texture processing
 
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Wim Sweldens, sweldens@math.sc.edu
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PostPosted: Mon Dec 02, 2002 6:07 pm    
Subject: Preprint: Spherical wavelets: Texture processing
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Preprint: Spherical wavelets: Texture processing

Title: Spherical Wavelets: Texture Processing

Authors: Peter Schröder and Wim Sweldens

Abstract:

Wavelets are a powerful tool for planar image processing. The
resulting algorithms are straightforward, fast, and efficient.
With the recently developed spherical wavelets this framework can
be transposed to spherical textures. We describe a class of
processing operators which are diagonal in the wavelet basis and
which can be used for smoothing and enhancement. Since the
wavelets (filters) are local in space and frequency, complex
localized constraints and spatially varying characteristics can be
incorporated easily. Examples from environment mapping and the
manipulation of topography/bathymetry data are given.

Anonymous ftp to ftp.math.sc.edu, file /pub/imi_95/imi95_4.ps
or imi95_4.ps.gz. The color images in this paper are available
separately in the files /pub/imi_95/imi95_4.pix/*.tif. Also, the
postscript file without the figures is available as imi95_4.nofig.ps.
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