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OIR
2006
129views more  OIR 2006»
15 years 3 months ago
Structural analysis of chat messages for topic detection
Purpose - This paper studies the characteristics of chat messages from analyzing a collection of 33,121 sample messages gathered from 1700 sessions of conversations of 72 pairs of...
Haichao Dong, Siu Cheung Hui, Yulan He
ICASSP
2011
IEEE
14 years 7 months ago
A robust feature extraction algorithm based on class-Modular Image Principal Component Analysis for face verification
Face verification systems reach good performance on ideal environmental conditions. Conversely, they are very sensitive to non-controlled environments. This work proposes the cla...
Jose Francisco Pereira, Rafael M. Barreto, George ...
ICASSP
2011
IEEE
14 years 7 months ago
An utterance comparison model for speaker clustering using factor analysis
We propose a novel utterance comparison model based on probability theory and factor analysis that computes the likelihood of two speech utterances originating from the same speak...
Woojay Jeon, Changxue Ma, Dusan Macho
FOSSACS
2004
Springer
15 years 8 months ago
Probabilistic Bisimulation and Equivalence for Security Analysis of Network Protocols
Abstract. Using a probabilistic polynomial-time process calculus designed for specifying security properties as observational equivalences, we develop a form of bisimulation that j...
Ajith Ramanathan, John C. Mitchell, Andre Scedrov,...
ISQED
2003
IEEE
121views Hardware» more  ISQED 2003»
15 years 8 months ago
Monolithic DC-DC Converter Analysis And Mosfet Gate Voltage Optimization
— The design of an efficient monolithic buck converter is presented in this paper. A low swing MOSFET gate drive technique is proposed that improves the efficiency characteristic...
Volkan Kursun, Siva Narendra, Vivek De, Eby G. Fri...