Ιχνηλάτες Οφθαλμικών Κινήσεων

Τεχνικές Προδιαγραφές

Gaze sampling frequency 300 Hz
Gaze sampling variability < 0.3%
Accuracy 0.4°
Precision 0.14°
Head movement Freedom of head movement at 65 width x height 37 x 17 cm.
Operating distance: 50–80 cm.
Max head movement speed
Latency Total system latency: < 10 ms Processing latency: 1.0-3.3 ms
Time stamp precision Via sync-out port: < 0.1ms
As specified in each data sample: Std dev 40 µs
Gaze recovery time For blinks: immediate
After lost tracking 10-165 ms
Screen Integrated system, 23" monitor
Max gaze angles 35°
Tracking technique Binocular, dark pupil tracking
Data output
(for each eye)
Timestamp, Eye position, Gaze point, Pupil diameter, Validity code
Eye tracker unit
Unit Size 55 x 24 x 6 cm
Eye tracking processing On eye tracker unit
Connectors LAN (TCP/IP over Ethernet - data samples) 12 pin connector (LVDS - sync out)
3.5 mm audio plug (audio in), 50Ω terminated BNC connector, Power connector
 (Screen unit)
Screen size 23"
Aspect ratio 16:09

 

Φορητός eye tracker

  • Gaze sampling frequency 120 Hz
  • Accuracy: 0.4°
  • Precision : 0.24° *
  • head movement: ( width x height ) 50 x 40 cm @80 cm, operating distance: 50-90 cm
  • Latency: Total system latency: < 11 ms
  • Gaze recovery time For blinks: immediate. After lost tracking <100 ms
  • Tracking technique Binocular, dark and bright pupil tracking combination
  • Data output : Timestamp, Eye position, Gaze point, Pupil diameter,
  • Validity code
  • Dimensions: 324 x 20 x 17 mm
  • Eye tracking processing: On local windows PC or External Processing Unit
  • Connectors: USB 3.0 (with BC 1.2)