Gestural text entry on multiple devices
Proceedings of the 7th international ACM SIGACCESS conference on Computers and accessibility
Proceedings of the 2008 ACM symposium on Virtual reality software and technology
The Pie Slider: Combining Advantages of the Real and the Virtual Space
SG '09 Proceedings of the 10th International Symposium on Smart Graphics
A haptic wristwatch for eyes-free interactions
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Facet: a multi-segment wrist worn system
Proceedings of the 25th annual ACM symposium on User interface software and technology
Watchit: simple gestures and eyes-free interaction for wristwatches and bracelets
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
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We introduce an input system that is based on bidirectional strokes that are segmented by tactile landmarks. By giving the user tactile feedback about the length of a stroke during input, we decrease the dependence of the GUI on the visual display. By concatenating separate strokes into multi-strokes, complex commands may be entered, which may encode commands, data content, or both simultaneously. To demonstrate their power, we show how multi-strokes can be used to traverse a menu hierarchy quickly. In addition, we show how inter-landmark segments of the sensor may be used for continuous and discrete parameter entry, resulting in a multifunctional interaction paradigm. We also introduce multi-widgets, which allow the direct control of multiple virtual widgets without the need to change the state of the device or use modifier buttons. This approach to input does not depend on material displayed visually to the user, and, thanks to tactile guidance, may be used by expert users as an eyes-free user interface. We believe that these benefits make this interaction system especially suitable for wearable computer systems that use a head-worn display and wrist-worn watch-style devices.