Journal of Rehabilitation Research & Development (JRRD)

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Optimizing interoperability between video-oculographic and electromyographic systems

Javier Navallas, PhD, et al.

Figure 1. (a) Video-oculography system composed of monitor, camera, and two groups of infrared light-emitting diodes located at both sides of screen. (b) Image recorded by camera. Two bright dots, indicated by arrows, are reflections, i.e., glints, produced by light sources on cor-neal surface.

Eye-tracking systems determine the direction of a subject's gaze using the images provided by a camera, allowing people who are severe disabled to interact with a computer by moving the cursor to gazed points on the screen. However, detecting the wish of activation ("mouse click") only from gaze information is a well known problem. We propose a system that detects and uses muscle contraction as the source for the click command. In this way, the user will use gaze to move the cursor and then muscle activity to perform a click command.

Volume 48 Number 3, 2011
   Pages 253 — 266

View HTML  ¦  View PDF  ¦  Contents Vol. 48, No. 3
This article and any supplementary material should be cited as follows:
Navallas J, Ariz M, Villanueva A, San Agustín J, Cabeza R. Optimizing interoperability between video-oculographic and electromyographic systems.
J Rehabil Res Dev. 2011; 48(3):253-66.

Last Reviewed or Updated  Tuesday, March 22, 2011 11:26 AM

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