We introduce Whack Gestures, an inexact and inattentive interaction technique. This approach seeks to provide a simple means to interact with devices with minimal atten-tion from the user – in particular, without the use of fine motor skills or detailed visual attention (requirements found in nearly all conventional interaction techniques). For mo-bile devices, this could enable interaction without “getting it out,” grasping, or even glancing at the device. This class of techniques is suitable for a small number of simple but common interactions that could be carried out in an ex-tremely lightweight fashion without disrupting other activi-ties. With Whack Gestures, users can interact by striking a device with the open palm or heel of the hand. We briefly discuss the development and use of a preliminary version of this technique and show that implementations with high accuracy and a low false positive rate are feasible.
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Hudson, S. E., Harrison, C., Harrson, B. L., LaMarca, A. 2010. Whack Gestures: Inexact and Inattentive Interaction with Mobile Devices. In Proceedings of the 4th International Conference on Tangible, Embedded and Embodied Interaction (Cambridge, MA, January 25 - 27, 2010). TEI '10. ACM, New York, NY.
Researchers
Scott Hudson - Carnegie Mellon University
Chris Harrison - Carnegie Mellon University
Beverly Harrison - Intel Labs Seattle
Anthony LaMarca - Intel Labs Seattle
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