Wang, S: Stochastic Control in Eye Movement Tracking (Classi -

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Résumé :
Excerpt from Stochastic Control in Eye Movement Tracking

In a dark room, the subject was asked to fixate on a light spot which is controlled by a target motion generator. A small beam of infra-rad lisht was directed to the left eye ball, and its reflection was collected by a pair of photocells aimed at the iris-scleral border as shown in Figure 3a. Eye positions could be detected by the difference in output of these two photocells. Then an operational amplifier was used to amplify the difference and send it to a Sanborn recorder. In order to minimize the interference introduced by motion, the subject leaned his forehead against a firm her and bit on a piece of eental impression wax as shown in Figure 3b.

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