1582 search results - page 97 / 317 » On sparse signal representations |
159
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IGARSS
2009
15 years 3 months ago
2009
Finding an accurate sparse approximation of a spectral vector described by a linear model, when there is available a library of possible constituent signals (called endmembers or ...
210
Voted
ICASSP
2009
IEEE
15 years 3 months ago
2009
IEEE
In this paper, we propose a novel sparse source separation method that can be applied even if the number of sources is unknown. Recently, many sparse source separation approaches ...
181
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ICASSP
2011
IEEE
14 years 9 months ago
2011
IEEE
Graphical models are useful for capturing interdependencies of statistical variables in various fields. Estimating parameters describing sparse graphical models of stationary mul...
178
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ICASSP
2007
IEEE
16 years 11 days ago
2007
IEEE
Alterations in the number of DNA copies are very common in tumor cells and may have a very important role in cancer development and progression. New array platforms provide means ...
165
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ICA
2010
Springer
15 years 7 months ago
2010
Springer
In this paper, we propose a novel method for blind source separation (BSS) based on time-frequency sparseness (TF) that can estimate the number of sources and time-frequency masks,...