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   -> Volume 7, Issue 5


Preprint: MAPS Multiresolution Adaptive Parametrization of Surfaces
 
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Wim Sweldens (wim)
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PostPosted: Wed Apr 29, 1998 7:58 pm    
Subject: Preprint: MAPS Multiresolution Adaptive Parametrization of Surfaces
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#7 Preprint: MAPS Multiresolution Adaptive Parametrization of Surfaces

Title: MAPS: Multiresolution Adaptive Parameterization of Surfaces

Authors: Aaron W. F. Lee, Wim Sweldens, Peter Schroeder, Lawrence
Cowsar, David Dobkin

Abstract: We construct smooth parameterizations of irregular
connectivity triangulations of arbitrary genus 2-manifolds. Our
algorithm uses hierarchical simplification to efficiently induce a
parameterization of the original mesh over a base domain consisting of
a small number of triangles. This initial parameterization is further
improved through a hierarchical smoothing procedure based on Loop
subdivision applied in the parameter domain. Our method supports both
fully automatic and user constrained operations. In the latter, we
accommodate point and edge constraints to force the alignment of
iso-parameter lines with desired features. We show how to use the
parameterization for fast, hierarchical subdivision connectivity
remeshing with guaranteed error bounds. The remeshing algorithm
constructs an adaptively subdivided mesh directly without first
resorting to uniform subdivision followed by subsequent
sparsification. It thus avoids the exponential cost of the latter. Our
parameterizations are also useful for texture mapping and morphing
applications, among others.

Status: Computer Graphics Proceedings (SIGGRAPH 98), to appear, 1998.

Download Postscript or PDF at

http://cm.bell-labs.com/who/wim/papers/sig98/
http://www.multires.caltech.edu/pubs/
or
http://www.cs.princeton.edu/~wailee/maps.html
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