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115
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ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
—In this paper we investigate the local probability density function (pdf) of natural signals in sparse domains. The statistical properties of natural signals are characterized m...
130
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ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
We have studied two efficient sampling methods, Langevin and Hessian adapted Metropolis Hastings (MH), applied to a parameter estimation problem of the mathematical model (Lorent...
145
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ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
It has been previously demonstrated that systems based on block wise local features and Gaussian mixture models (GMM) are suitable for video based talking face verification due t...
146
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ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
Short-range wireless audio transmission with high quality on the one hand often encounters error-prone channels, while on the other hand decoding delay plays a critical role in th...
123
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ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
We show that equiangular tight frames (ETFs) are particularly well suited as additive fingerprint designs against Gaussian averaging collusion attacks when the number of users is...