Through its new strategic partner, Applied Science Laboratories
(ASL), Ascension now offers the best eye and head tracking
system in the world.
The highly developed, features-rich EYEHEAD™ system for use with head-mounted optics enables integration of eye and head position data -- thanks to DC magnetic tracking -- for real-time computation of eye-pointing angles. In short, an evaluator always knows where his subject is looking. By combining eye and head-tracking technologies, the evaluator can eliminate the need to reacquire the eye when the subject looks out of the tracking area and then returns. Eye fixation data is typically shown as a point-of-gaze cursor superimposed on a real-world object or computer graphics scene.
|Factory integrated head/eye tracking||
|6 degrees-of-freedom head tracking||
|ASL Models 501 & 504|
|Dimensions (HxWxD):||3" x 9.75" x 10.25"|
|Power:||100-240 VAC; 25 watts|
|Display:||9" B/W Monitors for eye and scene cameras|
|HEAD MOUNTED OPTICS (501) / Remote Optics (504)|
|Sampling and Output Rates:||50
Hz or 60 Hz
120 Hz and 240 Hz (optional)
|Measurement Principle:||Pupil-corneal Reflection|
|System Accuracy:||0.5 degree visual angle|
501: 0.1 degree visual angle
504: 0.25 degree visual angle
504: 1 sq. foot
|Visual Range:||50 degrees horizontally, 40 degrees vertically|
501: 8.5 oz. (includes headband, optics module monocle and scene camera
504: 2.5 lbs.
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