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121
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ESANN
2004
15 years 5 months ago
2004
Abstract. Bayesian approaches to density estimation and clustering using mixture distributions allow the automatic determination of the number of components in the mixture. Previou...
125
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ESANN
2004
15 years 5 months ago
2004
Spiking neurons model a type of biological neural system where information is encoded with spike times. In this paper, a new method for decoding input spikes according to their abs...
171
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ESANN
2004
15 years 5 months ago
2004
We propose an algorithm for recovering the matrix A in X = AS where X is a random vector of lower dimension than S. S is assumed to be sparse in the sense that S has less nonzero e...
164
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ESANN
2004
15 years 5 months ago
2004
Abstract. In most ICA algorithms, the separation performances are estimated through the evaluation of a contrast function , used in the update rule of elements of the unmixing matr...
108
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ESANN
2004
15 years 5 months ago
2004
: the aim of this paper is to observe the group dynamic of funds' managers during an interesting period : January 99- July 01, which includes many financial events as financia...