49 search results - page 4 / 10 » Improving Variance Estimation in Biometric Systems |
AVBPA
2005
Springer
14 years 17 days ago
2005
Springer
Most of the prior work in biometric literature has only emphasized on the issue of feature extraction and classification. However, the critical issue of examining the usefulness of...
TASLP
2008
13 years 7 months ago
2008
This paper considers estimation of the noise spectral variance from speech signals contaminated by highly nonstationary noise sources. The method can accurately track fast changes ...
FGR
2004
IEEE
13 years 10 months ago
2004
IEEE
In this paper we present a method for estimating a person's head pose with a stereo camera. Our approach focuses on the application of human-robot interaction, where people m...
AMFG
2007
IEEE
13 years 8 months ago
2007
IEEE
Pose variance remains a challenging problem for face recognition. In this paper, a scheme including image synthesis and recognition is proposed to improve the performance of automa...
TWC
2010
13 years 1 months ago
2010
The maximum likelihood estimate of the impulse response of a frequency-selective channel in the presence of phase noise and I/Q imbalance is derived. The complexity of the joint es...