A surfaceless pen-based interface

Authors:
Joshua M. Peschel;Brandon Paulson;Tracy Hammond
Affiliations:
Texas A&M University, College Station, TX, USA;Texas A&M University, College Station, TX, USA;Texas A&M University, College Station, TX, USA
Venue:
Proceedings of the seventh ACM conference on Creativity and cognition
Year:
2009

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Abstract

Freehand drawing on a computer screen allows users to provide input through a natural mode of human interaction. With this freedom of expression, however, there exists a paradoxical limitation: the user is bound through the existing interface to the fixed drawing surface. In this work, we overcome this limitation by presenting a surfaceless pen-based interface with an application in the field of sketch recognition. A pilot study was conducted to examine the usability of the surfaceless pen-based interface. Results indicated that learning to use the device is relatively straightforward, but that interaction difficulty increases in a directly proportionally manner with drawing complexity.