5 search results - page 1 / 1 » Discrete Laplace-Beltrami Operator Determines Discrete Riema... |
CORR
2010
Springer
13 years 3 months ago
2010
Springer
The Laplace-Beltrami operator of a smooth Riemannian manifold is determined by the Riemannian metric. Conversely, the heat kernel constructed from its eigenvalues and eigenfunctio...
GMP
2006
IEEE
13 years 11 months ago
2006
IEEE
In geometric modeling and processing, computer graphics and computer vision, smooth surfaces are approximated by discrete triangular meshes reconstructed from sample points on the...
DAM
2008
13 years 5 months ago
2008
We present here a systematic study of general boundary value problems on weighted networks that includes the variational formulation of such problems. In particular, we obtain the...
CVPR
2008
IEEE
13 years 6 months ago
2008
IEEE
In this paper, we develop a geometric framework for linear or nonlinear discriminant subspace learning and classification. In our framework, the structures of classes are conceptu...
ICIP
1999
IEEE
13 years 9 months ago
1999
IEEE
by 0. In the discrete Fourier transform (DFT) domain, We propose a hybrid approach to wavelet-based image deconvolution that comprises Fourier-domain system inversion followed by w...