Adaptive-size meshes for rigid and nonrigid shape analysis andsynthesis
Huang, W.-C.
Goldgof, D.B.
Dept. of Comput. Si. & Eng., Univ. of South Florida, Tampa, FL;
This paper appears in: Pattern Analysis and Machine Intelligence, IEEE Transactions on
Publication Date: Jun 1993
Volume: 15,
Issue: 6
On page(s): 611-616
ISSN: 0162-8828
References Cited: 10
CODEN: ITPIDJ
INSPEC Accession Number: 4465228
Digital Object Identifier: 10.1109/34.216732
Current Version Published: 2002-08-06
Abstract
A physically based modeling method that uses adaptive-size meshes
to model surfaces of rigid and nonrigid objects is presented. The
initial model uses an a priori determined mesh size. However, the mesh
size increases or decreases dynamically during surface reconstruction to
locate nodes near surface areas of interest (like high curvature points)
and to optimize the fitting error. Further, presented with multiple 3-D
data frames, the mesh size varies as the data surface undergoes nonrigid
motion. This model is used to reconstruct 3-D surfaces, analyze the
nonrigid motion, track the corresponding points in nonrigid motion, and
create graphic animation and visualization. The method was tested on
real range data, on simulated nonrigid motion, and on real data for the
left ventricular motion
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