73 search results - page 13 / 15 » Data driven signal processing: an approach for energy effici... |
CIMAGING
2009
13 years 8 months ago
2009
Owing to the stochastic nature of discrete processes such as photon counts in imaging, real-world data measurements often exhibit heteroscedastic behavior. In particular, time ser...
ICPPW
2009
IEEE
14 years 2 months ago
2009
IEEE
—Despite many technology advances, the limited computing power of sensors encumber them from taking part in service-oriented architectures. In recent years, the sensornetworking ...
IPPS
2008
IEEE
14 years 1 months ago
2008
IEEE
In this paper, we present the design and implementation of a distributed sensor network application for embedded, isolated-word, real-time speech recognition. In our system design...
Publication
Non-negative matrix factorization (NMF) has become a standard tool in data mining, information retrieval, and signal processing. It is used to factorize a non-negative data matrix ...
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
The autofocus problem in synthetic aperture radar (SAR) is considered, where phase errors in the acquired signal data result in imagery that is improperly focused. We present a ne...