| Eye-Tracking Using Multiple Features  (1999) Conventional video-based eye-tracking uses the locations of the pupil and first Purkinje image. To assess the potential for improving accuracy by including additional features, a ray-tracing simulation has been used to study the joint variations of pupil shape and Purkinje image locations for movements of a model eye. Eye-Tracking, Features, Multiple, Using OSA 1999 Annual Meeting, 55 |