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Gaze-based interaction enables users to communicate with a system via eye movements. To carry out input arguments, participants usually need to fixate items or a letters for a certain period to select it ("dwell-time" approach). According to recent studies, experienced users work sufficiently well with dwell-times of approx. 300 milliseconds. The video presents a speller prototype featuring a dwell-time of 300ms. Whenever gaze is set upon a letter, the particulary field is highlighted yellow. Red flashes indicate a successful selection.

Related publications

Ehlers, J., Staiger, D., Strauch, C. & Huckauf, A. (2018). A view to a click: Pupil Size Changes as Input Command in Eyes-only Human-Computer Interaction. International Journal of Human-Computer Studies, 119, 28-34. https://www.sciencedirect.com/science/article/abs/pii/S1071581918303367

Strauch, C., Ehlers, J., & Huckauf, A. (2017). Pupil-Assisted Target Selection (PATS). In R. Bernhaupt, G. Dalvi, A. Joshi, D. Balkrishan, J. O’Neill, & M. Winckler (Eds.), Human-Computer Interaction – INTERACT 2017 (Vol. 10515, pp. 297–312). Cham: Springer. https://www.springerprofessional.de/pupil-assisted-target-selection-pats/15075104