Sciweavers

4679 search results - page 588 / 936
» Modeling When Connections Are the Problem
Sort
View
ICASSP
2010
IEEE
15 years 6 months ago
Revisiting the security of speaker verification systems against imposture using synthetic speech
In this paper, we investigate imposture using synthetic speech. Although this problem was first examined over a decade ago, dramatic improvements in both speaker verification (S...
Phillip L. De Leon, Vijendra Raj Apsingekar, Micha...
CORR
2007
Springer
105views Education» more  CORR 2007»
15 years 6 months ago
The source coding game with a cheating switcher
Motivated by the lossy compression of an active-vision video stream, we consider the problem of finding the rate-distortion function of an arbitrarily varying source (AVS) compos...
Hari Palaiyanur, Cheng Chang, Anant Sahai
ISR
2007
15 years 6 months ago
Product Development and Pricing Strategy for Information Goods Under Heterogeneous Outside Opportunities
This paper considers a two-stage development problem for information goods with costless quality degradation. In our model, a seller of information goods faces customers that are ...
Ying-Ju Chen, Sridhar Seshadri
TNN
2008
128views more  TNN 2008»
15 years 6 months ago
A Hybrid Technique for Blind Separation of Non-Gaussian and Time-Correlated Sources Using a Multicomponent Approach
Blind inversion of a linear and instantaneous mixture of source signals is a problem often encountered in many signal processing applications. Efficient FastICA (EFICA) offers an ...
Petr Tichavský, Zbynek Koldovský, Ar...
TSP
2008
82views more  TSP 2008»
15 years 6 months ago
Matched Subspace Detection With Hypothesis Dependent Noise Power
We consider the problem of detecting a subspace signal in white Gaussian noise when the noise power may be different under the null hypothesis--where it is assumed to be known--and...
François Vincent, Olivier Besson, Cé...