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Eye Gaze Tracking / Electromyogram Computer Cursor Control System for Users with Motor Disabilities

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Abstract:
 
"Eye Gaze Tracking / Electromyogram Computer Cursor Control System for Users with Motor Disabilities", (2003)
Armando Barreto, Eyhab Al-Masri and J. Gualberto Cremades

ABSTRACT: Eye Gaze Tracking (EGT) systems have been used to provide computer cursor control to individuals with motor disabilities (1). Involuntary movements of the eyes during a fixation limit the stability of this form of cursor control. An alternative system to step the cursor by detection of the contraction of selected facial muscles, through monitoring of the corresponding Electromyogram (EMG) signals, has been developed (2). The system presented here combines EGT and EMG monitoring to control the cursor, preserving the advantages and minimizing the shortcomings of each individual modality. Evaluation of the EGT/EMG prototype indicates a better performance than our previous EMG-only system and higher cursor stability than the EGT system.