Framework for Realizing a Free-Target Eye-tracking System

Abstract

Various eye-trackers have recently become commercially available, but studies on more high-spec eye-tracking system have been conducted. Especially, studies have shown that conventional eye-trackers are rather inflexible in layout. The cameras employed in these eye-trackers, as well as the light sources and user's position are fixed, and only a predefined plane can be the target of the eye-tracking. In this study, we propose a new framework that we call a Free-Target Eye-tracking System, which consists of eye-tracking hardware and a hardware layout solver. We developed a prototype of a hardware layout solver and demonstrated its effectiveness.