19 search results - page 3 / 4 » Information theory based estimator of the number of sources ... |
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
The emerging theory of compressed sensing (CS) provides a universal signal detection approach for sparse signals at sub-Nyquist sampling rates. A small number of random projection...
CISS
2008
IEEE
13 years 11 months ago
2008
IEEE
—Reliable wireless communications often requires accurate knowledge of the underlying multipath channel. This typically involves probing of the channel with a known training wave...
SIGIR
2009
ACM
13 years 11 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
ISBI
2004
IEEE
14 years 5 months ago
2004
IEEE
Independent Component Analysis is becoming a popular exploratory method for analysing complex data such as that from FMRI experiments. The application of such `model-free' me...
CGF
2008
13 years 4 months ago
2008
The visibility function in direct illumination describes the binary visibility over a light source, e.g., an environment map. Intuitively, the visibility is often strongly correla...