UNIVERSITÀ DEGLI STUDI DI PAVIA
DIPARTIMENTI DI GIURISPRUDENZA, INGEGNERIA INDUSTRIALE E DELL'INFORMAZIONE,
SCIENZE ECONOMICHE E AZIENDALI, SCIENZE POLITICHE E SOCIALI, STUDI UMANISTICI
CORSO DI LAUREA INTERDIPARTIMENTALE IN
COMUNICAZIONE, INNOVAZIONE, MULTIMEDIALITÀ
EYE TRACKING: METHODOLOGY, RESEARCH AND FUTURE
TESI DI LAUREA DI
SIMONE PIETRO CARRIERI
RELATORE:
PROF. MARCO PORTA
CORRELATORE:
PROF.SSA LIDIA FALOMO
A.A.
2013/14
1. What is eye
tracking
3. Support for
disabilities
2. Studies and
applications
4. Text entry
by gaze
WHAT IS EYE TRACKING
Eye tracking: process of watching where a person is looking
Eye tracker: device for measuring eye positions and eye
movements
WHAT CAN BE TRACKED?
 Gaze direction
 Eye-presence
 Eye Position
What is eye
tracking?
Studies and
applications
 User
 Eyelid closure
 Pupil size
Support for
disabilities
Text entry
by gaze
WHAT IS EYE TRACKING/2
Electro-Oculography
EYE
Scleral contact lens with
search coil
What is eye
tracking?
TRACKING
TECHNIQUES
Studies and
applications
Support for
disabilities
Video-Oculography
Text entry
by gaze
STUDIES AND APPLICATIONS
What is eye
tracking?
Studies and
applications
Support for
disabilities
Text entry
by gaze
STUDIES AND APPLICATIONS/2
What is eye
tracking?
Studies and
applications
Support for
disabilities
Text entry
by gaze
SUPPORT FOR DISABILITIES
EYE TRACKING FOR DISABILITIES
Autism
Cerebral Palsy
Rett Syndrome
Stroke and Aphasia
Spinal Cord Injuries
Brain Injuries
Amyotrophic Lateral Sclerosis (ALS)
Multiple Sclerosis (MS)
What is eye
tracking?
Studies and
applications
Support for
disabilities
Text entry
by gaze
SUPPORT FOR DISABILITIES/2
3
1
2
What is eye
tracking?
Studies and
applications
Support for
disabilities
Text entry
by gaze
TEXT ENTRY BY GAZE
CALIBRATION
SELECTION
What is eye
tracking?
Studies and
applications
Support for
disabilities
Text entry
by gaze
TEXT ENTRY BY GAZE/2
Direct gaze pointing
Eye switch
TEXT ENTRY
Discrete gaze gestures
What is eye
tracking?
Studies and
applications
Continuous pointing gestures
Support for
disabilities
Text entry
by gaze
TEXT ENTRY BY GAZE/3
1
3
3.1
What is eye
tracking?
Studies and
applications
2
4
Support for
disabilities
Text entry
by gaze
TEXT ENTRY BY GAZE/4
FEEDBACK
Three experiments with
different feedbacks
What is eye
tracking?
Studies and
applications
Support for
disabilities
Text entry
by gaze
TEXT ENTRY BY GAZE/5
RESULTS
Exp. 1
Exp. 2
Exp. 3
Typing speed (words per minute)
Click+Visual 7.55
Shrinking 7.02
Two-Level Visual 10.27
Accuracy (error rate)
0.54%
0.43%
1.20%
User experience (satisfaction)
Click+Visual 62%
What is eye
tracking?
Shrinking 50%
No Shrinking 50%
Studies and
applications
Support for
disabilities
One-Level Visual 47%
Text entry
by gaze
CONCLUSIONS
Thank you.