Evaluation of a soft-surfaced multi-touch interface

Authors:
Anna Noguchi;Toshifumi Kurosawa;Ayaka Suzuki;Yuichiro Sakamoto;Tatsuhito Oe;Takuto Yoshikawa;Buntarou Shizuki;Jiro Tanaka
Affiliations:
University of Tsukuba, Japan;University of Tsukuba, Japan;University of Tsukuba, Japan;University of Tsukuba, Japan;University of Tsukuba, Japan;University of Tsukuba, Japan;University of Tsukuba, Japan;University of Tsukuba, Japan
Venue:
HCI'13 Proceedings of the 15th international conference on Human-Computer Interaction: interaction modalities and techniques - Volume Part IV
Year:
2013

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Abstract

"WrinkleSurface", which we developed by attaching a gel sheet to a FTIR-based touchscreen, enables a user to perform novel touch motions such as Push, Thrust, and Twist_CW (clockwise), and Twist_CCW (counterclockwise). Our research is focused on the evaluation of this soft-surfaced multi-touch interface. Specifically, to examine how a user can input our novel input methods precisely, we evaluated the user's performance of each method by two to nine levels of target acquisition task. As a result, we found some points to be improved in our recognition algorithm in order to increase the success rate of Push and Thrust. In addition, a user can input Twist before the level of six because the success rate of Twist was high up to that level.