Eye detection and tracking has been an active area in the field of research in last few years, since it provide convenience in usage of various applications. One of the applications is where handicapped people with several disabilities cannot take advantage of usage of computer. Hence to facilitate those people, controlling technique is required that can control the system through eye movement. This paper presents a vision-based human-computer interface system which detects deliberate eye blinks and elucidates them as control commands. The active appearance model (AAM) is used for eye motion detection and template matching. The test results indicated that the interface is useful in offering an alternative means of communication with computers to disabled people. The interface is based on a desktop equipped with a PS-3 camera and requires no extra light sources.

Active Appearance Model, Eye Detection, Human Computer Interface, Eye Blink detection

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