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ICASSP
2010
IEEE
13 years 9 months ago
Graph-based regularization for spherical signal interpolation
This paper addresses the problem of the interpolation of 2-d spherical signals from non-uniformly sampled and noisy data. We propose a graph-based regularization algorithm to impr...
Tamara Tosic, Tamara Frossard
ICASSP
2010
IEEE
13 years 9 months ago
Learning sparse systems at sub-Nyquist rates: A frequency-domain approach
We propose a novel algorithm for sparse system identification in the frequency domain. Key to our result is the observation that the Fourier transform of the sparse impulse respo...
Martin McCormick, Yue M. Lu, Martin Vetterli
AUTOMATICA
2008
61views more  AUTOMATICA 2008»
13 years 9 months ago
Validity of the standard cross-correlation test for model structure validation
: The standard prediction error framework provides many theoretical results under the assumption that the true system is in the model class. An important example is the expression ...
Sippe G. Douma, Xavier Bombois, Paul M. J. Van den...
CG
2008
Springer
13 years 9 months ago
Efficient image reconstruction for point-based and line-based rendering
We address the problem of an efficient image-space reconstruction of adaptively sampled scenes in the context of point-based and line-based graphics. The imagespace reconstruction...
Ricardo Marroquim, Martin Kraus, Paulo Roma Cavalc...
CMPB
2007
140views more  CMPB 2007»
13 years 9 months ago
Integrating digital topology in image-processing libraries
This paper describes a method to integrate digital topology informations in image processing libraries. This additional information allows a library user to write algorithms respe...
Julien Lamy