自然光下における画像解析を用いた多指標視線入力システム

概要

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Many systems to aid communication have been developed for seriously physically handicapped people such as ALS patients. The eye-gaze input system is currently being evaluated as a novel interface; it can be used to operate a computer with eye movement only. Most conventional eye-gaze input systems use of an infrared ray on the eyes to detect eye-gaze. However, prolonged irradiation could damage the eyes. This paper proposes a new eye-gaze input system with multi-indicators utilizing a personal computer and a home video camera to detect eye-gaze under natural light. It detects both vertical and horizontal eye-gaze through simple image analysis, and does not require special image processing units or sensors. It also compensates for measurement errors caused by head movement, i.e., it can detect eye-gaze with a high degree of accuracy. Therefore, it is capable distinguishing many indicators and its applications are expected to be expanded.
2004-11-01