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Determination of the point of fixation in a head-fixed coordinate system

 
: Liu, J.

:

Jain, A.K. ; International Association for Pattern Recognition -IAPR-:
Fourteenth International Conference on Pattern Recognition 1998. Proceedings : August 16 - 20, 1998, Convention and Exhibition Centre, Brisbane, Australia
Los Alamitos, Calif.: IEEE Computer Society, 1998
ISBN: 0-8186-8512-3
S.501-504
International Conference on Pattern Recognition (ICPR) <14, 1998, Brisbane>
Englisch
Konferenzbeitrag
Fraunhofer HHI ()
image sensors; image sequences; motion compensation; motion control; video cameras; fixation point; head-fixed coordinate system; video-based contact-free image processing system; 3d eye position; eye tracking; gaze function; gaze tracking; gaze camera; head movement; pose change

Abstract
Describes a video-based, contact-free image processing system for the determination of the point of fixation. Two steps are essential for this purpose: determination of both the 3-D eye position (eye tracking) and the gaze function (gaze tracking). The gaze camera changes its orientation to follow the movement of the head and keeps the centre of the eye being always at its optical axis. A novel algorithm (head-fixed coordinate transformation) compensates influences of both the head movement and the pose change of the gaze camera on the gaze function and determines the point of fixation in 3-D space.

: http://publica.fraunhofer.de/dokumente/N-13094.html