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» On Modelling User Observations in the UTP
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CVPR
1999
IEEE
14 years 9 months ago
Yet another Method for Pose Estimation: A Probabilistic Approach using Points, Lines, and Cylinders
In this work, we use points, lines, and the linear extremal contours of cylinders to estimate the position and orientation of the camera in the world coordinate system. Other line...
Robert Hanek, Nassir Navab, Mirko Appel
DICTA
2003
13 years 9 months ago
Gesture Classification Using Hidden Markov Models and Viterbi Path Counting
Human-Machine interfaces play a role of growing importance as computer technology continues to evolve. Motivated by the desire to provide users with an intuitive gesture input syst...
Nianjun Liu, Brian C. Lovell
CVIU
2007
108views more  CVIU 2007»
13 years 7 months ago
A real-time hand tracker using variable-length Markov models of behaviour
We present a novel approach for visual tracking of structured behaviour as observed in human–computer interaction. An automatically acquired variable-length Markov model is used...
Nikolay Stefanov, Aphrodite Galata, Roger J. Hubbo...
CHI
2007
ACM
14 years 8 months ago
Revisiting and validating a model of two-thumb text entry
MacKenzie and Soukoreff have previously introduced a Fitts' Law?based performance model of expert two?thumb text entry on mini?QWERTY keyboards [4]. In this work we validate ...
Edward Clarkson, Kent Lyons, James Clawson, Thad S...
ACL
2008
13 years 9 months ago
Mixture Model POMDPs for Efficient Handling of Uncertainty in Dialogue Management
In spoken dialogue systems, Partially Observable Markov Decision Processes (POMDPs) provide a formal framework for making dialogue management decisions under uncertainty, but effi...
James Henderson, Oliver Lemon