Using the deformable simplicial complex to reconstruct surfaces from point clouds
Saul, Jared
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https://hdl.handle.net/2142/78399
Description
Title
Using the deformable simplicial complex to reconstruct surfaces from point clouds
Author(s)
Saul, Jared
Issue Date
2015-04-16
Department of Study
Computer Science
Discipline
Computer Science
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
Deformable Simplicial Complex (DSC)
Surface reconstruction
Tetrahedra
Surface mesh
Computer Graphics
Abstract
We present in this thesis a modification to the deformable simplicial complex method that allows it to reconstruct surfaces given only a point cloud extracted from a Wavefront .obj file. By creating a velocity function that moves the vertices of an existing tetrahedral mesh towards their respective closest points in the cloud, we create a final surface that bears the likeness of the cloud itself, while not requiring any information as to the original mesh. The reconstructed surface is resistant to fracturing and webbing, and is able to connect nearby vertices while keeping a clear mesh interface boundary, which prevents the intersection of faces from occurring. We demonstrate our implementation with several examples derived from common .obj files and discuss the strengths and weaknesses of our approach with respect to each.
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