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INTERSPEECH
2010
14 years 8 months ago
On the relation of Bayes risk, word error, and word posteriors in ASR
In automatic speech recognition, we are faced with a wellknown inconsistency: Bayes decision rule is usually used to minimize sentence (word sequence) error, whereas in practice w...
Ralf Schlüter, Markus Nußbaum-Thom, Her...
FGR
2006
IEEE
121views Biometrics» more  FGR 2006»
15 years 7 months ago
Learning to Identify Facial Expression During Detection Using Markov Decision Process
While there has been a great deal of research in face detection and recognition, there has been very limited work on identifying the expression on a face. Many current face detect...
Ramana Isukapalli, Ahmed M. Elgammal, Russell Grei...
CLEAR
2007
Springer
147views Biometrics» more  CLEAR 2007»
15 years 7 months ago
ISL Person Identification Systems in the CLEAR 2007 Evaluations
In this paper, we present ISL person identification systems in the CLEAR 2007 evaluations. The identification systems consist of a face recognition system, a speaker identification...
Hazim Kemal Ekenel, Qin Jin, Mika Fischer, Rainer ...
VLBV
2005
Springer
15 years 7 months ago
An Intermediate Expressions' Generator System in the MPEG-4 Framework
A lifelike human face can enhance interactive applications by providing straightforward feedback to and from the users and stimulating emotional responses from them. An expressive...
Amaryllis Raouzaiou, Evaggelos Spyrou, Kostas Karp...
IBPRIA
2007
Springer
15 years 5 months ago
Efficiently Downdating, Composing and Splitting Singular Value Decompositions Preserving the Mean Information
Three methods for the efficient downdating, composition and splitting of low rank singular value decompositions are proposed. They are formulated in a closed form, considering the ...
Javier Melenchón, Elisa Martínez