Designing Intuitive Gesture-based Human Interface Systems

Unlike human-to-human gesturing, human-machine gesturing does not have a
foundation of thousands of years of history to serve as a context. This poses a challenge
for human interface system designers. If a user performs a gesture, or a “voluntary
motion of hands and/or arms to express a clear action,”
how does the machine (i.e.,
smart phone, tablet computer or point-of-sale device) know how to react in a manner
that is commensurate with the user’s intentions? Is the action easy to replicate, and does
it produce repeatable results? How can gestures be designed to be intuitively easy to
comprehend rather than frustrating? How does a system designer minimize the pain of
“learning” gestures for the user?



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