7168 search results - page 752 / 1434 » A Factorization Approach to Grouping |
193
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SIGPRO
2011
15 years 2 months ago
2011
In this paper, we survey and compare different algorithms that, given an overcomplete dictionary of elementary functions, solve the problem of simultaneous sparse signal approxim...
242
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TNN
2010
15 years 2 months ago
2010
Finite mixture model is a powerful tool in many statistical learning problems. In this paper, we propose a general, structure-preserving approach to reduce its model complexity, w...
194
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
In our previous work we have proposed a dynamic version of the consensus propagation (CP) algorithm introduced by Moallemi and Van Roy. Here, we pursue a system theoretic approach...
171
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
We present MPtracker, a new algorithm for tracking and separating the pitch frequencies of two speakers from their mixture. The pitch frequencies are detected by introducing a nov...
204
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ACL
2011
14 years 11 months ago
2011
Community-based knowledge forums, such as Wikipedia, are susceptible to vandalism, i.e., ill-intentioned contributions that are detrimental to the quality of collective intelligen...