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TapBoard 2: Simple and Effective Touchpad-like Interaction on a Multi-Touch Surface Keyboard

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Published on May 31, 2016

TapBoard 2: Simple and Effective Touchpad-like Interaction on a Multi-Touch Surface Keyboard
Sunjun Kim, Geehyuk Lee

CHI '16: ACM Conference on Human Factors in Computing Systems
Session: Interaction Techniques for Mobile Interfaces

Abstract
We introduce TapBoard 2, a touchpad-based keyboard that solves the problem of typing and pointing disambiguation. The pointing interaction design of TapBoard 2 is nearly identical to natural touchpad interaction, and its shared workspace naturally invites bimanual pointing interaction. To implement TapBoard 2, we developed a novel gesture representation scheme for a systematic design and gesture recognizer. A user evaluation showed that TapBoard 2 successfully supports collocated pointing and typing interaction. It was able to disambiguate typing and pointing actions with an accuracy of greater than 95%. In addition, the typing and pointing performance of TapBoard 2 were comparable to that of a separate keyboard and mouse. In particular, the bimanual pointing operations of TapBoard 2 are highly efficient and strongly favored by participants.

DOI:: http://dx.doi.org/10.1145/2858036.285...
WEB:: https://chi2016.acm.org/

Recorded at the 2016 CHI Conference on Human Factors in Computing Systems in San Jose, CA, United States, May 7-12, 2016

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