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CSDA
2007
100views more  CSDA 2007»
13 years 9 months ago
Estimation of fractional integration in the presence of data noise
The paper presents a comparative study on the performance of commonly used estimators of the fractional order of integration when data is contaminated by noise. In particular, meas...
Niels Haldrup, Morten Ørregaard Nielsen
TASLP
2008
64views more  TASLP 2008»
13 years 9 months ago
Improved A Posteriori Speech Presence Probability Estimation Based on a Likelihood Ratio With Fixed Priors
Abstract--In this contribution we present an improved estimator for the speech presence probability at each time-frequency point in the short-time Fourier-transform domain. In cont...
Timo Gerkmann, Colin Breithaupt, Rainer Martin
COMAD
2008
13 years 11 months ago
Ambiguity: Hide the Presence of Individuals and Their Privacy with Low Information Loss
Publishing a database instance containing individual information poses two kinds of privacy risk: presence leakage, by which the attackers can explicitly identify individuals in (...
Hui Wang
UAI
2008
13 years 11 months ago
On Identifying Total Effects in the Presence of Latent Variables and Selection bias
Assume that cause-effect relationships between variables can be described as a directed acyclic graph and the corresponding linear structural equation model We consider the identi...
Manabu Kuroki, Zhihong Cai
ICISC
2008
113views Cryptology» more  ICISC 2008»
13 years 11 months ago
Secure Hardware Implementation of Non-linear Functions in the Presence of Glitches
Hardware implementations of cryptographic algorithms are still vulnerable to side-channel attacks. Side-channel attacks that are based on multiple measurements of the same operatio...
Svetla Nikova, Vincent Rijmen, Martin Schläff...