intangibleCanvas: free-air finger painting on a projected canvas

Authors:
Jon Moeller;Nic Lupfer;Bill Hamilton;Haiqiao Lin;Andruid Kerne
Affiliations:
Texas A&M University, College Station, TX, USA;Texas A&M University, College Station, TX, USA;Texas A&M University, College Station, TN, USA;Texas A&M University, College Station, TX, USA;Texas A&M University, College Station, TX, USA
Venue:
CHI '11 Extended Abstracts on Human Factors in Computing Systems
Year:
2011

Citing 4
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ZeroTouch: an optical multi-touch and free-air interaction architecture

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Abstract

With the advent of new sensing technologies, precision free-air interaction is becoming viable as a contender for the next generation of expressive, embodied interaction modalities. ZeroTouch [5], a novel multi-touch sensor that allows for free-air multi-finger, multi-object sensing, is one example of this next generation of free-air interfaces. We develop its use in a digitally-projected finger painting application, placing the see-through multitouch sensor in direct line-of-sight between an artist and a remote canvas. This allows the artist to reach through the sensor and paint on the intangibleCanvas as if it were directly in front of them. An iPad is employed as a multimodal workspace for color selection. We evaluate the system through an informal walk-up-and-play installation and comparative study, developing implications for interaction design using this type of precision free-air interface.