Non-manifold Mesh Extraction from Time-varying Segmented Volumes used for Modeling a Human Heart

Bertram, Martin; Reis, Gerd; Lengen, Rolf H. van; Köhn, Sascha; Hagen, Hans

Non-manifold Mesh Extraction from Time-varying Segmented Volumes used for Modeling a Human Heart

Files

199-206.pdf (2.95 MB)

Date

2005

Authors

Bertram, Martin
Reis, Gerd
Lengen, Rolf H. van
Köhn, Sascha
Hagen, Hans

Publisher

The Eurographics Association

Abstract

We present a new algorithm extracting and fairing surfaces from segmented volumes composed of multiple materials. In a first pass, the material boundaries in the volume are smoothed considering signed distance functions for the individual materials. Second, we apply a marching-cubes-like contouring method providing initial meshes defining material boundaries. Non-manifold features emerge along lines where more than two materials encounter. Finally, the mesh geometry is relaxed in a constrained fairing process. We use our algorithm to construct a heart model from segmented time-varying magnetic resonance images. Information concerning the heart ontology is used to merge certain structures to functional units.

        @inproceedings{:10.2312/VisSym/EuroVis05/199-206
,
booktitle = {EUROVIS 2005: Eurographics / IEEE VGTC Symposium on Visualization
},
editor = {Ken Brodlie and David Duke and Ken Joy
},
title = {{Non-manifold Mesh Extraction from Time-varying Segmented Volumes used for Modeling a Human Heart
}},
author = {Bertram, Martin and 
Reis, Gerd and 
Lengen, Rolf H. van and 
Köhn, Sascha and 
Hagen, Hans
},
year = {2005
},
publisher = {The Eurographics Association
},
ISSN = {1727-5296
},
ISBN = {3-905673-19-3
},
DOI = {/10.2312/VisSym/EuroVis05/199-206
}
}