58 search results - page 3 / 12 » A framework for statistical wireless spectrum occupancy mode... |
ICIP
2005
IEEE
14 years 7 months ago
2005
IEEE
This paper presents novel techniques for detecting watermarks in images in a known-cover attack framework using natural scene models. Specifically, we consider a class of watermar...
INFOCOM
2009
IEEE
13 years 12 months ago
2009
IEEE
—Dynamic spectrum access has been proposed as a means to share scarce radio resources, and requires devices to follow protocols that use resources in a proper, disciplined manner...
ICONS
2008
IEEE
13 years 11 months ago
2008
IEEE
– This paper presents our approach of the radio interface problematic for Wireless Sensor Network. We introduce the WSN context and constraints associated. We propose an IR-UWB s...
SIGMETRICS
2006
ACM
13 years 11 months ago
2006
ACM
A major challenge in the design of wireless networks is the need for distributed scheduling algorithms that will efficiently share the common spectrum. Recently, a few distributed...
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
This paper presents a nonparametric Bayesian extension of nonnegative matrix factorization (NMF) for music signal analysis. Instrument sounds often exhibit non-stationary spectral...