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Eye gaze tracking techniques for interactive applications

2004; Elsevier BV; Volume: 98; Issue: 1 Linguagem: Inglês

10.1016/j.cviu.2004.07.010

1090-235X

Carlos H. Morimoto, Marcio R.M. Mimica,

Retinal Imaging and Analysis

This paper presents a review of eye gaze tracking technology and focuses on recent advancements that might facilitate its use in general computer applications. Early eye gaze tracking devices were appropriate for scientific exploration in controlled environments. Although it has been thought for long that they have the potential to become important computer input devices as well, the technology still lacks important usability requirements that hinders its applicability. We present a detailed description of the pupil–corneal reflection technique due to its claimed usability advantages, and show that this method is still not quite appropriate for general interactive applications. Finally, we present several recent techniques for remote eye gaze tracking with improved usability. These new solutions simplify or eliminate the calibration procedure and allow free head motion.