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Zhou, Yulin
- Estimating the Crest Lines on Polygonal Mesh Models by an Automatic Threshold
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Authors
Affiliations
1 Division of Intelligent Manufacturing, Wuyi University, Jiangmen529020, CN
1 Division of Intelligent Manufacturing, Wuyi University, Jiangmen529020, CN
Source
AIRCC's International Journal of Computer Science and Information Technology, Vol 11, No 5 (2019), Pagination: 51-61Abstract
Crest lines convey the inherent features of the shape. Mathematically Crest lines are described via extremes of the surface principal curvatures along their corresponding lines of curvature. In this study we used an automatic threshold estimation technique to estimate crest lines. We firstly computed the principal curvature and corresponding direction for each vertex in the mesh; then we computed the saliency value by a linear combination of the maximal absolute curvature and the absolute curvature difference; finally, we automatically determine the threshold to detect the crest lines according to the saliency value. For illustrative purpose, we demonstrated our method with several examples.Keywords
Crest Lines, Polygonal Mesh Models, Curvature.Full Text
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