Multi-modal natural dialogue

Eye To analyze the user’s looking behavior wc usc a head mounted, corncal reflection eye tracker. The user looks through a half-silvered mirror; an infrared LED light shines frori above and lights up the eye. An infrared-sensitive camera picks up the reflection from the cyc off the mirror and sends the resulting TV signal to an AT 286 computer for image processing. The resulting eye data is analyzed intojixations, saccudes, and blinks,