Polhemus Announces VisionTrak Desktop 300: A Desktop Binocular Eye Imaging/Tracking System


COLCHESTER, Vt., May 7 / / -- Designed by ISCAN Incorporated of Burlington, MA, the VisionTrak Desktop 300 is a remote binocular eye tracking system that is used to collect pupil size, eye movement parameters and eye point of regard data from human subjects. This system allows the subject to be seated comfortably without the use of a chin rest while the researcher controls the data collection process at a separate console. Both eyes are viewed using a specialized remote infrared video camera system. Distinctive system features allow for quick and accurate data collection and analysis for a variety of applications and environments. The VisionTrak Desktop 300 represents a quantum leap in new eye tracking proficiency offering significant improvements over alternative technologies.

With nothing attached to the head, the subject can move within an X, Y, Z envelope of approximately a cubic foot offering full freedom of head movement. The integrated pan/tilt system is used to direct the camera and automatically follows the subject's eye. System set-up and subject calibration are simple, straightforward and flexible. The VisionTrak Desktop 300 is fully functional under dark or bright ambient lighting conditions with a wide range of subject acceptance including eyeglasses, sunglasses, contact lenses or drooping eyelids.

The VisionTrak Desktop 300 uses a robust dark pupil tracking methodology that automatically distinguishes the pupils from other dark shadows or eyelashes in the eye images. The system has an effective sub-pixel resolution of 1500H x 2000V for both pupil and corneal reflection position measurements and true, real-time 60Hz or optional 240Hz data update. The system offers subject video point-of-regard overlay display outputs in which accuracy is better than one-half degree over plus or minus 25 degree horizontal and plus or minus 20 degree vertical range.

The Raw Eye Movement Data Acquisition Software for Windows XP allows the operator to completely control the data acquisition process. Calibrated or raw eye movement and auxiliary data can be output in real time to other devices.

Polhemus provides the absolute best in time proven 6DOF systems, eye tracking, and handheld three-dimensional scanners. Please contact us at sales@polhemus.com for additional information.

CONTACT: Melinda Gervais, Communication Specialist, Polhemus, +1-802-655-3159 ext.236, mgervais@polhemus.com

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