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An efficient and robust algorithm for 3D mesh segmentation
Authors:Lijun Chen  Nicolas D Georganas
Affiliation:(1) School of Information Technology and Engineering, University of Ottawa, Ottawa, Ontario, K1N 6N5, Canada
Abstract:This paper presents an efficient and robust algorithm for 3D mesh segmentation. Segmentation is one of the main areas of 3D object modeling. Most segmentation methods decompose 3D objects into parts based on curvature analysis. Most of the existing curvature estimation algorithms are computationally costly. The proposed algorithm extracts features using Gaussian curvature and concaveness estimation to partition a 3D model into meaningful parts. More importantly, this algorithm can process highly detailed objects using an eXtended Multi-Ring (XMR) neighborhood based feature extraction. After feature extraction, we also developed a fast marching watershed-based segmentation algorithm followed by an efficient region merging scheme. Experimental results show that this segmentation algorithm is efficient and robust.
Keywords:3D mesh  Gaussian curvature  Concaveness  XMR neighborhood  Watershed algorithm  Region merging
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