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IEICET
2006
80views more  IEICET 2006»
13 years 8 months ago
Virtual Subcarrier Assignment (VISA) for Spatial Filtering of OFDM Signals
In OFDM (Orthogonal Frequency Division Multiplexing)-based wireless systems, when we employ an array antenna at receive side, SDMA (Space Division Multiple Access) can be easily r...
Shinsuke Hara, Yunjian Jia
TIP
2011
124views more  TIP 2011»
13 years 3 months ago
A Geometric Method for Optimal Design of Color Filter Arrays
—A color filter array (CFA) used in a digital camera is a mosaic of spectrally selective filters, which allows only one color component to be sensed at each pixel. The missing ...
Pengwei Hao, Yan Li, Zhouchen Lin, Eric Dubois
PICS
2003
13 years 9 months ago
A Psychophysical Experiment Evaluating the Color Accuracy of Several Multispectral Image Capture Techniques
A paired comparison psychophysical experiment was performed to evaluate the quality of several imaging techniques. Images rendered for an LCD were compared with two- and three-dim...
Ellen A. Day, Roy S. Berns, Lawrence A. Taplin, Fr...
TASLP
2008
124views more  TASLP 2008»
13 years 8 months ago
Joint Dereverberation and Residual Echo Suppression of Speech Signals in Noisy Environments
Hands-free devices are often used in a noisy and reverberant environment. Therefore, the received microphone signal does not only contain the desired near-end speech signal but als...
Emanuel A. P. Habets, Sharon Gannot, Israel Cohen,...
TRIDENTCOM
2006
IEEE
14 years 2 months ago
QUETZAL: qualified ultra-wideband testbed for reduced data-rates and location
— This work presents an UWB testbed for reduced data rates with capabilities of measuring range and location. The transmitter uses Time Hopping spread spectrum codes to reduce th...
Antonio Mollfulleda, M. Nájar, P. Miskovsky...