A Multi-Camera 6-DOF Pose Tracker
Author(s)
Tariq, Sarah
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Abstract
Most of the work in head-pose tracking has concentrated
on single-camera systems with a relatively small field of
view which have limited accuracy because features are only
observed in a single viewing direction. We present a multi-camera
pose tracker that handles an arbitrary configuration
of cameras rigidly fixed to the observer's head. By using
multiple cameras, we increase the robustness and accuracy
by which a 6-DOF pose is tracked. However, in a multi-camera
rig setting, earlier methods for determining the unknown
pose from three world-to-camera correspondences
are no longer applicable. We present a RANSAC [2] based
method that handles multi-camera rigs by using a fast nonlinear
minimization step in each RANSAC round.
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Date
2004-11
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