LightBeam: nomadic pico projector interaction with real world objects

Authors:
Jochen Huber;Jürgen Steimle;Chunyuan Liao;Qiong Liu;Max Mühlhäuser
Affiliations:
Technische Universität Darmstadt, Darmstadt, Germany;Technische Universität Darmstadt, Darmstadt, Germany;FX Palo Alto Laboratory, Palo Alto, California, USA;FX Palo Alto Laboratory, Palo Alto, California, USA;Technische Universität Darmstadt, Darmstadt, Germany
Venue:
CHI '12 Extended Abstracts on Human Factors in Computing Systems
Year:
2012

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Abstract

Pico projectors have lately been investigated as mobile display and interaction devices. We propose to use them as 'light beams': Everyday objects sojourning in a beam are turned into dedicated projection surfaces and tangible interaction devices. While this has been explored for large projectors, the affordances of pico projectors are fundamentally different: they have a very small and strictly limited projection ray and can be carried around in a nomadic way during the day. Thus it is unclear how this could be actually leveraged for tangible interaction with physical, real world objects. We have investigated this in an exploratory field study and contribute the results. Based upon these, we present exemplary interaction techniques and early user feedback.