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Surface Mesh Segmentation Using Local Geometry

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2 Author(s)
Chuon, C. ; Comput. Sci. & Inf. Manage., Asian Inst. of Technol., Pathumthani, Thailand ; Guha, S.

We present a novel algorithm to segment a 3D surface mesh into visually meaningful regions. Our approach is based on an analysis of the local geometry of vertices. In particular, we begin with a novel characterization of vertices as convex, concave or hyperbolic based upon their discrete local geometry. Hyperbolic and concave vertices are considered potential feature region boundaries. We propose a new region growing technique starting from these boundary vertices leading to a segmentation of the surface that is subsequently simplified by a region-merging method. Experiments indicate that our algorithm segments a broad range of 3D models at a quality comparable to existing algorithms. Its use of methods that belong naturally to discretized surfaces and ease of implementation make it an appealing alternative in various applications.

Published in:

Computer Graphics, Imaging and Visualization, 2009. CGIV '09. Sixth International Conference on

Date of Conference:

11-14 Aug. 2009