354 search results - page 26 / 71 » Estimating random variables from random sparse observations |
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
This paper deals with the problem of under-determined convolutive blind source separation. We model the contribution of each source to all mixture channels in the time-frequency d...
RECOMB
2001
Springer
14 years 7 months ago
2001
Springer
motif discovery problem abstracts the task of discovering short, conserved sites in genomic DNA. Pevzner and Sze recently described a precise combinatorial formulation of motif di...
ICIP
2008
IEEE
14 years 2 months ago
2008
IEEE
Compressed sensing(CS) suggests that a signal, sparse in some basis, can be recovered from a small number of random projections. In this paper, we apply the CS theory on sparse ba...
EUSFLAT
2009
13 years 5 months ago
2009
Abstract-- A portfolio model to minimize the risk of falling under uncertainty is discussed. The risk of falling is represented by the value-at-risk of rate of return. Introducing ...
JMLR
2008
13 years 7 months ago
2008
Causal reasoning is primarily concerned with what would happen to a system under external interventions. In particular, we are often interested in predicting the probability distr...