Fitting Manifold Surfaces to Three-Dimensional Point Clouds

[+] Author and Article Information
Cindy M. Grimm

Computer Science Department, Washington University, St. Louis, MO 63130 e-mail: cmg@cs.wustl.edu

Joseph J. Crisco

Department of Orthopaedics, Brown University School of Medicine, Providence, RI 02912 e-mail: Joseph_Crisco@Brown.edu

David H. Laidlaw

Computer Science Department, Brown University, Providence, RI 02912 e-mail: dhl@cs.brown.edu

J Biomech Eng 124(1), 136-140 (Aug 31, 2001) (5 pages) doi:10.1115/1.1431266 History: Received March 13, 2001; Revised August 31, 2001
Copyright © 2002 by ASME
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Grahic Jump Location
From left to right top: the original data, shown triangulated. The generator polyhedron, the manifold polyhedron, and the prototype manifold surface, showing the local parameterization. Bottom: after fitting the generator polyhedron. After fitting the manifold polyhedron. After fitting the individual patches.
Grahic Jump Location
Finding the four data points to interpolate between for an additional patch constraint. Left: the surface point, the tangent plane, and the nearby data points. Middle: the projected data points. Right: the selected points, shown in the tangent plane.
Grahic Jump Location
The carpal bones from one person and three hamates from different people. Top: meshes produced from the data points using Nuages 22. Bottom: manifold surfaces. Note the striation in the Nuages meshes where the slicing planes become parallel to the surface.




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