Abstract
Eye tracking has been considered as an important modality of interaction between human and computer. Three types of eye movement commonly used in interactive applications are fixation, saccadic, and smooth pursuit. Fixational eye movement has been considered as the most common technique in gaze-based interactive applications. Nevertheless, fixation-based interaction requires conventional eye tracking calibration, which limits its practicality when the interactive applications have to be used in a public space. In the last decade, smooth pursuit-based interaction has emerged as a new interaction technique. This method enables spontaneous interaction with minimum calibration targets, allowing the users to be calibrated faster or even interacting with the applications without prior calibration. Despite of its emerging popularity, there is no a review study that observes various techniques behind this interaction technology. To fill this gap, this paper presents a review on signal processing filters, calibration methods, and different interactive applications based on smooth pursuit eye movement. This review may be used as a guideline to start a new research project on interactive application based on smooth pursuit eye movement.
Published Version
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