Laplace-Beltrami spectra as 'Shape-DNA' of surfaces and solids

This paper introduces a method to extract `Shape-DNA', a numerical fingerprint or signature, of any 2d or 3d manifold (surface or solid) by taking the eigenvalues (i.e. the spectrum) of its Laplace

• Type: Journal
• Year: 2006
• Where: CAD
• Authors: Martin Reuter, Franz-Erich Wolter, Niklas Peinecke
• Keywords: CAD 2006, Eigenvalues, Laplace­Beltrami Operator, Solids, Theoretical Computer Science