Journal
COMPUTER-AIDED DESIGN
Volume 44, Issue 11, Pages 1072-1082Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.cad.2012.04.005
Keywords
Mesh segmentation; Quadric surface fitting; Error metric
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Funding
- Research Grant Council of Hong Kong [718209, 718010]
- NSFC [11171322]
- ANR/NSFC Program [60625202, 60911130368]
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We present a new variational method for mesh segmentation by fitting quadric surfaces. Each component of the resulting segmentation is represented by a general quadric surface (including plane as a special case). A novel energy function is defined to evaluate the quality of the segmentation, which combines both L-2 and L-2,L-1 metrics from a triangle to a quadric surface. The Lloyd iteration is used to minimize the energy function, which repeatedly interleaves between mesh partition and quadric surface fitting. We also integrate feature-based and simplification-based techniques in the segmentation framework, which greatly improve the performance. The advantages of our algorithm are demonstrated by comparing with the state-of-the-art methods. (c) 2012 Elsevier Ltd. All rights reserved.
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