Dynamic shared visual spaces: experimenting with automatic camera control in a remote repair task

Authors:
Abhishek Ranjan;Jeremy P. Birnholtz;Ravin Balakrishnan
Affiliations:
University of Toronto, Toronto, ON, Canada;University of Toronto, Toronto, ON, Canada;University of Toronto, Toronto, ON, Canada
Venue:
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Year:
2007

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Abstract

We present an experimental study of automatic camera control in the performance of collaborative remote repair tasks using video-mediated communication. Twelve pairs of participants, one "helper" and one "worker," completed a series of Lego puzzle tasks using both a static camera and an automatic camera system that was guided in part by tracking the worker's hand position. Results show substantial performance benefits for the automatic system, particularly for complex tasks. The implications of these results are discussed, along with some lessons for the use of motion tracking as a driver for camera control.