1355 search results - page 178 / 271 » icassp 2011 |
232
click to vote
ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
—The low-rank matrix completion problem can be stated as follows: given a subset of the entries of a matrix, find a low-rank matrix consistent with the observations. There exist...
201
click to vote
ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
In cognitive radio (CR) networks, multi-CR cooperation typically takes place during spectrum sensing, to cope with wireless fading effects and the hidden terminal problem. The use...
167
click to vote
ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
We describe an alternative to standard nonnegative matrix factorisation (NMF) for nonnegative dictionary learning. NMF with the Kullback-Leibler divergence can be seen as maximisa...
161
click to vote
ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
We show that the exact recovery of sparse perturbations on the coefficient matrix in overdetermined Least Squares problems is possible for a large class of perturbation structure...
172
click to vote
ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
The notion of the 1-D analytic signal is well understood and has found many applications. At the heart of the analytic signal concept is the Hilbert transform. The problem in exte...