An empirical comparison of pie vs. linear menus
CHI '88 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
The limits of expert performance using hierarchic marking menus
CHI '93 Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems
Manual and gaze input cascaded (MAGIC) pointing
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Effects of feedback and dwell time on eye typing speed and accuracy
Universal Access in the Information Society
On the ease and efficiency of human-computer interfaces
Proceedings of the 2008 symposium on Eye tracking research & applications
Gazing with pEYEs: towards a universal input for various applications
Proceedings of the 2008 symposium on Eye tracking research & applications
Snap clutch, a moded approach to solving the Midas touch problem
Proceedings of the 2008 symposium on Eye tracking research & applications
Typing with eye-gaze and tooth-clicks
Proceedings of the Symposium on Eye Tracking Research and Applications
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Pie menus offer several features which are advantageous especially for gaze control. Although the optimal number of slices per pie and of depth layers has already been established for manual control, these values may differ in gaze control due to differences in spatial accuracy and congitive processing. Therefore, we investigated the layout limits for hierarchical pie menu in gaze control. Our user study indicates that providing six slices in multiple depth layers guarantees fast and accurate selections. Moreover, we compared two different methods of selecting a slice. Novices performed well with both, but selecting via selection borders produced better performance for experts than the standard dwell time selection.