Pro Glasses 3 Product Description v 1.4
12
3 Technical Specifications
3.1
Eye tracking
Eye tracking technique
Corneal reflection, dark pupil, stereo geometry
Binocular eye tracking
Yes
Sampling rate
50 Hz or 100 Hz
Calibration procedure
One point
Parallax compensation tool
Automatic
Slippage compensation
Yes, 3D eye tracking model
Pupil measurement
Yes, absolute measure
Gaze recovery time
1 frame (immediate)
Blink recovery time
1 frame (immediate)
3.2
Head unit
Material
Grilamid plastic, stainless steel, optical grade plastic
Nose pad
Grilamid plastic, with clip on attachments
Scene camera, video resolution
1920 × 1080 at 25 fps
Scene camera, video format
H.264
Scene camera, field of view (diagonal) 106 deg. 16:9 format
Scene camera, field of view (hori-
zontal and vertical)
95 deg. horizontal / 63 deg. vertical
Weight
76.5 grams including cable
Frame dimensions (width ×depth
×height)
153 ×168 ×51 mm
Cable length
1200 mm
Audio
16 bit mono, integrated microphone
Design characteristics
Light weight and discreet
Number of eye tracking sensors
4 sensors (2 per eye)
Fixed geometry
Yes
Sensors
ST™ LSM9DS1 sensors: Gyroscope and Accel-
erometer (sampled at 100Hz); Magnetometer:
(sampled at 10 Hz)
3.3
Recording unit
Battery recording time
105 min.
Battery type
Rechargeable 18650 Li-ion, Capacity: 3 400 mAh
Storage media
SD (SDXC, SDHC) card
Connectors
Micro USB, RJ45 (Ethernet), 3.5 mm jack (sync
port), head unit connector
Dimensions (height x width x depth)
130 x 85 x 27 mm
