17 search results - page 1 / 4 » Local probability distribution of natural signals in sparse ... |
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
—In this paper we investigate the local probability density function (pdf) of natural signals in sparse domains. The statistical properties of natural signals are characterized m...
ICMCS
2006
IEEE
13 years 10 months ago
2006
IEEE
Blind multiplicative watermarking schemes for speech signals using wavelets and discrete cosine transform are presented. Watermarked signals are modeled using a generalized Gaussi...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Nonparametric belief propagation (NBP) is a well-known particlebased method for distributed inference in wireless networks. NBP has a large number of applications, including coope...
UAI
2004
13 years 5 months ago
2004
One of the major problems in modeling natural signals is that signals with very similar structure may locally have completely different measurements, e.g., images taken under diff...
IPPS
2005
IEEE
13 years 10 months ago
2005
IEEE
We have identified a fundamental operator in wireless networks that we named the local leader election in which the goal is to select a node in a spatially close neighborhood. We ...