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TIP
2008
130views more  TIP 2008»
13 years 7 months ago
Nonlocal Discrete Regularization on Weighted Graphs: A Framework for Image and Manifold Processing
We introduce a nonlocal discrete regularization framework on weighted graphs of the arbitrary topologies for image and manifold processing. The approach considers the problem as a...
Abderrahim Elmoataz, Olivier Lezoray, Sébas...
ISCAS
2007
IEEE
202views Hardware» more  ISCAS 2007»
14 years 1 months ago
A VLSI Architecture for a Fast Computation of the 2-D Discrete Wavelet Transform
In this paper, an efficient VLSI architecture for a fast computation of the 2-D discrete wavelet transform (DWT) is proposed. The architecture employing a three-stage cascade in p...
Chengjun Zhang, Chunyan Wang, M. Omair Ahmad
DGCI
2003
Springer
14 years 26 days ago
Stability in Discrete Tomography: Linear Programming, Additivity and Convexity
The problem of reconstructing finite subsets of the integer lattice from X-rays has been studied in discrete mathematics and applied in several fields like image processing, data...
Sara Brunetti, Alain Daurat
CIS
2008
Springer
13 years 9 months ago
Discrete Fourier Transform Computation Using Neural Networks
In this paper, a method is introduced how to process the Discrete Fourier Transform (DFT) by a singlelayer neural network with a linear transfer function. By implementing the sugg...
Rosemarie Velik
VMV
2004
143views Visualization» more  VMV 2004»
13 years 9 months ago
Illustrating Magnetic Field Lines using a Discrete Particle Model
In this paper we demonstrate how a computational physics approach based on a discrete particle model can be employed for the visualization of magnetic field lines. This can be reg...
Thomas Klein, Thomas Ertl