Imaginary Interfaces: Spatial Interaction with Empty Hands and without Visual Feedback
Sean Gustafson, Daniel Bierwirth, Patrick Baudisch
UIST '10 Proceedings of the 23nd annual ACM symposium on User interface software and technology
Summary:
This article discusses computing without screens for spatial interaction without the use of artifacts and a lack of visual feedback. Users are able to set the boundaries of their space by performing gestures to set their coordinates. Different subjects were used as users to determine whether it would be possible to interact in such a way. Different tests were conducted such as drawing a character in the air, motion impacts of user, and memory of object locations in the invisible space. Although users were able to draw the characters, their spatial memory slowly faded as they drew more and more characters and interacted with the system. Movement of users greatly decreased memory of space.
Discussion:
I doubt that humans could memorize the many actions they will need to take and draw using such a device. Seeing something in front of them, a person can only memorize about 7 things. WHat makes people able to memorize something that they cannot see. It sounds like a fun project but I think human capabilities in memory is the constraint here.
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