[IPOL announce] new article: An Implementation and Parallelization of the Scale Space Meshing Algorithm

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Mon Nov 23 10:29:56 CET 2015


A new article is available in IPOL: http://www.ipol.im/pub/art/2015/102/

Julie Digne,
An Implementation and Parallelization of the Scale Space Meshing Algorithm,
Image Processing On Line, 5 (2015), pp. 282–295.
http://dx.doi.org/10.5201/ipol.2015.102

Abstract
Creating an interpolating mesh from an unorganized set of oriented 
points is a difficult problem which is often overlooked. Most methods 
focus indeed on building a watertight smoothed mesh by defining some 
function whose zero level set is the surface of the object. However in 
some cases it is crucial to build a mesh that interpolates the points 
and does not 
fill the acquisition holes: either because the data are 
sparse and trying to 
fill the holes would create spurious artifacts or 
because the goal is to explore visually the data exactly as they were 
acquired without any smoothing process. In this paper we detail a 
parallel implementation of the Scale-Space Meshing algorithm, which 
builds on the scale-space framework for reconstructing a high precision 
mesh from an input oriented point set. This algorithm 
first smoothes 
the point set, producing a singularity free shape. It then uses a 
standard mesh reconstruction technique, the Ball Pivoting Algorithm, to 
build a mesh from the smoothed point set. The 
final step consists in 
back-projecting the mesh built on the smoothed positions onto the 
original point set. The result of this process is an interpolating, 
hole-preserving surface mesh reconstruction.






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