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JSAC
2008
92views more  JSAC 2008»
15 years 3 months ago
Multiband OFDM for Covert Acoustic Communications
A multiband OFDM transmitter and receiver are presented for underwater communications at low SNR. Compared with a single-band OFDM scheme, the multiband approach leads to a conside...
Geert Leus, Paul A. van Walree
KBS
2008
110views more  KBS 2008»
15 years 3 months ago
Intensity-based image registration using multiple distributed agents
Image registration is the process of geometrically aligning images taken from different sensors, viewpoints or instances in time. It plays a key role in the detection of defects o...
Roger J. Tait, Gerald Schaefer, Adrian A. Hopgood
PAMI
2008
109views more  PAMI 2008»
15 years 3 months ago
Likelihood Ratio-Based Biometric Score Fusion
Multibiometric systems fuse information from different sources to compensate for the limitations in performance of individual matchers. We propose a framework for optimal combinati...
Karthik Nandakumar, Yi Chen, Sarat C. Dass, Anil K...
TSP
2008
144views more  TSP 2008»
15 years 3 months ago
A New Robust Variable Step-Size NLMS Algorithm
A new framework for designing robust adaptive filters is introduced. It is based on the optimization of a certain cost function subject to a time-dependent constraint on the norm o...
Leonardo Rey Vega, Hernan Rey, Jacob Benesty, Sara...
IJON
2000
71views more  IJON 2000»
15 years 3 months ago
Variable selection using neural-network models
In this paper we propose an approach to variable selection that uses a neural-network model as the tool to determine which variables are to be discarded. The method performs a bac...
Giovanna Castellano, Anna Maria Fanelli