Gaze Tracking Equipments
Commercial Products
If you have addtional products or information, please let me know by
e-mail, thanks.
NAC EMR-NC
[Home]
This system was developed by NTT Basic Research Labs. and Nac Inc.
The detail is described in
[here]
| Type |
Desktop |
| Method |
blight pupil and cornea reflection image |
| Accuracy |
0.28 deg (measured by artifical eye ball) |
| Sampling rate | 30 Hz |
| Head tracking | Yes |
| Controller | Sun Solaris |
|
 |
NAC EMR-8
A cap style head-mount gaze tracking system.
[Home(Japanese)],
[Home(English)]
| Type |
Head mount |
| Method | Blight pupil and cornea reflection |
| Accuracy | N/A |
| Sampiling rate | 60 Hz |
Takei FreeView DTS
[Home]
A desktop type gaze tracking system that allows the user to move the head.
| Type | Desktop |
| Method | Pupil and cornea reflection image |
| Resolution | 0.2 deg |
| Sampling rate | 30Hz |
LC Technologies
[Home]
One infrared camera which is integrated with inrared light is placed
at the bottom of the display.
| Type | Desktop |
| Method | Blight pupil with cornea reflection |
| Accuracy | 0.45 deg (typical) |
| Sampling rate | 60 Hz |
| Head tracking | No |
| Controller | Windows NT |
Applied Science Laboratories(ASL) Model 504
[Home]
The system is combined with pan-tilt camera. Infrared lignts are
arreanged around the center lens on the camera.
Optics can be placed up to 4 feet (1.2m) from the camera.
Head tracking can be possible by using the magnetic head tracker.
| Type | Desktop |
| Method | Blight pupil with cornea reflection |
| Accuracy | N/A |
| Sampling rate | N/A |
| Head tracking | Magnetic sensor on the head (option). |
| Controller | N/A |
ISCAN RK-446 / RK-477
[Home]
(little information on Web)
| Type | Head mount |
| Method | Dark pupil with corneal reflection |
Eye Tech Digital System's Quick Glance
[Home]
Two infrared LED arrays are arranged on the both side of the display.
One camera is placed at the bottom of the display to detect the eyeball
image.
| Type | Desktop |
| Method | Dark pupil image |
| Accuracy | 1 deg |
| Sampling rate | 30 Hz |
| Head tracking | No |
| Controller | Windows |
SensoMotor iView Red
[Home]
SensoMotor EyeLink
Head movement is detected by a camera attaced on EyeLink,
which measure the position of four markers on the display corner.
| Type | Head mount |
| Method | Double Purkinje method |
| Accuracy | 0.5 - 1.0 deg |
| Sampling rate | 250 Hz |
| Head tracking | Yes |
Tobii ET-17 (tobii technology Inc.)
[Home]
A small camera unit is placed under a 17inch LCD display.
The design is nice.
| Type | Desktop |
| Method | Pupil and Purkinje image? |
| Accuracy | 0.5deg (drift: < 1deg) |
Seeing Machines
[Home]
A head, face and gaze tracking technology that measures the position
of a human head, gaze direction and blink events. It does not use
corneal reflection.
| Type | Desktop |
| Method | Stereo camera |
| Accuracy | N/A |
Other products
Copyright©Takehiko Ohno.
Last modified: Tue Jan 27 10:59:16 LMT 2004