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E YE T RACKING : M ETHODOLOGY, R ESEARCH AND F UTURE T ESI DI L AUREA DI S IMONE P IETRO C ARRIERI R ELATORE : P ROF. M ARCO P ORTA C ORRELATORE : P ROF.

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Presentation on theme: "E YE T RACKING : M ETHODOLOGY, R ESEARCH AND F UTURE T ESI DI L AUREA DI S IMONE P IETRO C ARRIERI R ELATORE : P ROF. M ARCO P ORTA C ORRELATORE : P ROF."— Presentation transcript:

1 E YE T RACKING : M ETHODOLOGY, R ESEARCH AND F UTURE T ESI DI L AUREA DI S IMONE P IETRO C ARRIERI R ELATORE : P ROF. M ARCO P ORTA C ORRELATORE : P ROF. SSA L IDIA F ALOMO A. A. 2013/14 U NIVERSITÀ DEGLI S TUDI DI P AVIA D IPARTIMENTI DI G IURISPRUDENZA, I NGEGNERIA I NDUSTRIALE E DELL 'I NFORMAZIONE, S CIENZE E CONOMICHE E A ZIENDALI, S CIENZE P OLITICHE E S OCIALI, S TUDI U MANISTICI C ORSO DI L AUREA I NTERDIPARTIMENTALE IN C OMUNICAZIONE, I NNOVAZIONE, M ULTIMEDIALITÀ

2 1. What is eye tracking 2. Studies and applications 3. Support for disabilities 4. Text entry by gaze

3 W HAT IS EYE TRACKING Eye tracking : process of watching where a person is looking Eye tracker : device for measuring eye positions and eye movements  Gaze direction  Eye-presence  Eye Position  User  Eyelid closure  Pupil size W HAT CAN BE TRACKED ? What is eye tracking? Studies and applications Support for disabilities Text entry by gaze

4 W HAT IS EYE TRACKING /2 What is eye tracking? Studies and applications Support for disabilities Text entry by gaze E YE T RACKING T ECHNIQUES Electro-Oculography Scleral contact lens with search coil Video-Oculography

5 S TUDIES AND APPLICATIONS What is eye tracking? Studies and applications Support for disabilities Text entry by gaze

6 S TUDIES AND APPLICATIONS /2 What is eye tracking? Studies and applications Support for disabilities Text entry by gaze

7 S UPPORT FOR DISABILITIES What is eye tracking? Studies and applications Support for disabilities Text entry by gaze E YE T RACKING FOR DISABILITIES AutismCerebral Palsy Rett SyndromeStroke and Aphasia Spinal Cord InjuriesBrain Injuries Amyotrophic Lateral Sclerosis (ALS)Multiple Sclerosis (MS)

8 S UPPORT FOR DISABILITIES /2 What is eye tracking? Studies and applications Support for disabilities Text entry by gaze 1 2 3

9 T EXT ENTRY BY GAZE What is eye tracking? Studies and applications Support for disabilities Text entry by gaze C ALIBRATION S ELECTION

10 T EXT ENTRY BY GAZE /2 What is eye tracking? Studies and applications Support for disabilities Text entry by gaze T EXT ENTRY Direct gaze pointingEye switch Discrete gaze gestures Continuous pointing gestures

11 T EXT ENTRY BY GAZE /3 What is eye tracking? Studies and applications Support for disabilities Text entry by gaze

12 T EXT ENTRY BY GAZE /4 What is eye tracking? Studies and applications Support for disabilities Text entry by gaze F EEDBACK Three experiments with different feedbacks

13 T EXT ENTRY BY GAZE /5 What is eye tracking? Studies and applications Support for disabilities Text entry by gaze R ESULTS Exp. 1Exp. 2Exp. 3 Typing speed (words per minute) Click+Visual 7.55 Shrinking 7.02 Two-Level Visual Accuracy (error rate) 0.54%0.43%1.20% User experience (satisfaction) Click+Visual 62% Shrinking 50% No Shrinking 50% One-Level Visual 47%

14 C ONCLUSIONS

15 Thank you.


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