Gaze-based Interfaces for Internet

Gintautas Daunys, Vincas Laurutis, Raimondas Zemblys

Siauliai University (SU)

Faculty of Nature Sciences

Faculty ofHumanities

Faculty ofEducation

Faculty ofArts

Department ofElectronics

Biomedical Engineering

Research Centre

Faculty ofSocial Sciences

Faculty ofSocial Wellfareand Disability

Faculty ofTechnology

Faculty of Mathematics and Informatics

Department ofInformation Technology

Siauliai University•About 12000 students•Fifth largest in Lithuania•Center of Science and Culture in Northern Lithuania

RESEARCHDepartment of Electronics

and Centre of Biomedical Engineering

Areas:• Computer Vision for Human-Computer Interaction (dr. G.

Daunys, dr. D. Dervinis)• Gaze Tracking and Research of Human Oculomotor

System (habil. dr. V. Laurutis, dr. N. Ramanauskas)• Speech Signal Analysis (dr. G. Daunys, dr. D. Balbonas)• Technical Means for Disabled (dr. Vidas Lauruska)

Homepages:

Department of Electronics http://silics.su.lt

Centre of Biomedical Engineering http://bimc.su.lt/en

Control by eye -gaze

• A content of future Internet must be accessible for disabled people.

• It is an issue for severely physically disabled people to control a mouse that to browse web pages. Here can help control of computer by user's gaze.

• A video-based gaze tracker detects a user's eye and evaluates its angular orientation.

• The obtained data could be mapped to the computer screen coordinates.

• A click of the mouse is emulated using a dwell time.

EYE TRACKING DEVICESLC Technologies EyeGaze

Own build system

Black pupil and bright glint

(own build system)

Bright pupil and bright glint (corneal reflection)

(LC Technologies system)

On screen keyboard

Typing with eyes

ISSUES

• High price of commercial eye-tracking systems

• Reliability and accuracy of eye tracking

• Lack of standarts

EYE MOVEMENT DURING WEB PAGE EXPLORATION

Visualization: Heat Map