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)