Seamless and continuous user identification for interactive tabletops using personal device handshaking and body tracking

Authors:
Christopher Ackad;Andrew Clayphan;Roberto Martinez Maldonado;Judy Kay
Affiliations:
University of Sydney, Sydney, NSW, Australia;University of Sydney, Sydney, NSW, Australia;University of Sydney, Sydney, NSW, Australia;University of Sydney, Sydney, NSW, Australia
Venue:
CHI '12 Extended Abstracts on Human Factors in Computing Systems
Year:
2012

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Abstract

Touch-based tabletops are a form of embedded device for group collaboration. This work tackles two key problems for effective use of such tabletops: there is currently no easy way for people to identify themselves to the table; and most current hardware does not link a person's touches to their identity. This paper presents a system which tackles these problems as it can identify users and keeps track of their actions around interactive tabletops. To start the user identification, a user puts their personal device onto the interactive surface. Once this is paired with the tabletop, linking the device owner's identity to the table, the system continuously tracks any touch by that user. The system seamlessly and continuously associates each user touch with an identity.