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AirTouch: Interacting with computer systems at a distance

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5 Author(s)
Schlegel, D.R. ; Dept. of Comput. Sci. & Eng., SUNY at Buffalo, Buffalo, NY, USA ; Chen, A.Y.C. ; Caiming Xiong ; Delmerico, J.A.
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We present AirTouch, a new vision-based interaction system. AirTouch uses computer vision techniques to extend commonly used interaction metaphors, such as multitouch screens, yet removes any need to physically touch the display. The user interacts with a virtual plane that rests in between the user and the display. On this plane, hands and fingers are tracked and gestures are recognized in a manner similar to a multitouch surface. Many of the other vision and gesture-based human-computer interaction systems presented in the literature have been limited by requirements that users do not leave the frame or do not perform gestures accidentally, as well as by cost or specialized equipment. AirTouch does not suffer from these drawbacks. Instead, it is robust, easy to use, builds on a familiar interaction paradigm, and can be implemented using a single camera with off-the-shelf equipment such as a webcam-enabled laptop. In order to maintain usability and accessibility while minimizing cost, we present a set of basic AirTouch guidelines. We have developed two interfaces using these guidelines-one for general computer interaction, and one for searching an image database. We present the workings of these systems along with observational results regarding their usability.

Published in:

Applications of Computer Vision (WACV), 2011 IEEE Workshop on

Date of Conference:

5-7 Jan. 2011