Computing Eye Tracking Metric for a Radar Display Using a Remote Eye Tracker

Eye movement tracking is a commonly used method for researchers to study the cognitive process of individuals in the Human Computer Interface (HCI) domain. By tracking the eye movement of the test subjects, researchers are then able to investigate into the cognitive processing of the participants. This method is also used widely in the field of Air Traffic Control (ATC), many involving the use of wearable device and multiple displays. However, work on the eye movement activity on a single screen, the radar screen, with the use of a remote eye tracker is sparse. This paper presents an algorithm for computing some eye tracking metric for such a study and together with some results from an experiment. These metrics are shown to be effective and useful, allowing it to serve as a good basis for further work in this domain.