1176 search results - page 111 / 236 » Sparse reward processes |
101
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ICASSP
2008
IEEE
15 years 10 months ago
2008
IEEE
In this paper, a new approach for decoding real-field codes based on finding sparse solutions of underdetermined linear systems is proposed. This algorithm iteratively estimates...
142
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ICIP
2008
IEEE
15 years 10 months ago
2008
IEEE
In this work, we propose the use of sparse signal representation techniques to solve the problem of closed-loop spatial image prediction. The reconstruction of signal in the block...
134
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ICIP
2008
IEEE
15 years 10 months ago
2008
IEEE
In several imaging inverse problems, it may be of interest to encourage the solution to have characteristics which are most naturally expressed by the combination of more than one...
173
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ICA
2007
Springer
15 years 10 months ago
2007
Springer
In the paper we present new Alternating Least Squares (ALS) algorithms for Nonnegative Matrix Factorization (NMF) and their extensions to 3D Nonnegative Tensor Factorization (NTF) ...
125
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ICIP
2005
IEEE
15 years 9 months ago
2005
IEEE
We address the reconstruction of a 3D image from a set of incomplete X-ray tomographic data. In the case where the image is composed of one or several objects lying in a uniform b...