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» The Parameterized Complexity of Some Minimum Label Problems
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123
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ICASSP
2011
IEEE
14 years 4 months ago
Global convergence of independent component analysis based on semidefinite programming relaxation
In the independent component analysis, polynomial functions of higher order statistics are often used as cost functions. However, such cost functions usually have many local minim...
Shotaro Akaho, Jun Fujiki
102
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DAM
2007
120views more  DAM 2007»
15 years 13 days ago
Advances on sorting by reversals
Theproblemofsortingsignedpermutationsbyreversalsisinspiredbygenomerearrangementproblemsincomputationalmolecular biology. Given two genomes represented as signed permutations of th...
Eric Tannier, Anne Bergeron, Marie-France Sagot
72
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CPM
2010
Springer
120views Combinatorics» more  CPM 2010»
15 years 5 months ago
Mod/Resc Parsimony Inference
Abstract. We address in this paper a new computational biology problem that aims at understanding a mechanism that could potentially be used to genetically manipulate natural insec...
Igor Nor, Danny Hermelin, Sylvain Charlat, Jan Eng...
117
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ICML
2008
IEEE
16 years 1 months ago
Modified MMI/MPE: a direct evaluation of the margin in speech recognition
In this paper we show how common speech recognition training criteria such as the Minimum Phone Error criterion or the Maximum Mutual Information criterion can be extended to inco...
Georg Heigold, Hermann Ney, Ralf Schlüter, Th...
108
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TASLP
2010
153views more  TASLP 2010»
14 years 10 months ago
On Optimal Frequency-Domain Multichannel Linear Filtering for Noise Reduction
Abstract—Several contributions have been made so far to develop optimal multichannel linear filtering approaches and show their ability to reduce the acoustic noise. However, th...
Mehrez Souden, Jacob Benesty, Sofiène Affes