QEM-based mesh simplification with global geometry features preserved
Proceedings of the 2nd international conference on Computer graphics and interactive techniques in Australasia and South East Asia
3D Reconstruction of rough terrain for USARSim using a height-map method
PerMIS '08 Proceedings of the 8th Workshop on Performance Metrics for Intelligent Systems
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Mesh simplification is the process of reducing the number of triangles in a mesh representation of object surface. For a given level of detail or error tolerance, the conventional mesh simplification algorithms maximize the edge length globally, without explicitly considering localobject shape. In this paper, we present a shape-adaptive mesh simplification algorithm that locally maximizes edge length, depending on local shape. The proposed algorithm achieves shape-adaptive simplification by iteratively maximizing edges between vertices, based on the comparison with the "optimal" edge lengths derived from local directional curvatures for a given error tolerance.