915 search results - page 156 / 183 » Robustness in the Presence of Liveness |
TSP
2010
14 years 4 months ago
2010
The strong cross-correlation that exists between the two input audio channels makes the problem of stereophonic acoustic echo cancellation (AEC) complex and challenging to solve. R...
TWC
2010
14 years 4 months ago
2010
Abstract--Frame detection and timing acquisition are challenging tasks in orthogonal frequency-division multiplexing systems plagued by narrowband interference (NBI). Most existing...
118
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ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
In the field of detection and monitoring of dynamic objects in quasi-static scenes, background subtraction techniques where background is modeled at pixel-level, although showing ...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
—We develop sub-Nyquist sampling systems for analog signals comprised of several, possibly overlapping, finite duration pulses with unknown shapes and time positions. Efficient...
110
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ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
The problem addressed is source localization via time-differenceof-arrival estimation in a multipath channel. Solving this localization problem typically implies cross-correlating...