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dc.contributor.supervisor Irani, Pourang (Computer Science) en_US
dc.contributor.author Zhang, Hong
dc.date.accessioned 2012-04-03T13:30:37Z
dc.date.available 2012-04-03T13:30:37Z
dc.date.issued 2012-05-09
dc.identifier.citation Hong Zhang, Xing-Dong Yang, Barrett Ens, Hai-Ning Liang, Pierre Boulanger, Pourang Irani. See Me, See You: A Lightweight Method for Discriminating User Touches on Tabletop Displays In CHI 2012, May 5-10, 2012, Austin, TX, USA. en_US
dc.identifier.uri http://hdl.handle.net/1993/5232
dc.description.abstract Interactive tabletop systems are becoming popular platforms for group activities. However, current common tabletops do not provide capabilities to differentiate interactions among simultaneous users, i.e. to associate a touch point with its proper owner. My thesis proposes and explores the use of an important biometric property of users as the basis for touch discrimination on multi-user tabletops: Finger Orientation (FO). In this thesis, I first collect the FO ranges of users standing in different positions around a tabletop. Second, I implement a system that uses FO to determine where the users are standing, and based on that extrapolate the owner of the touch. Next, I evaluate the system with two separate experiments, present the results, and discuss all findings. Furthermore, I explore some enhancements with a simple quantitative study. My results indicate that finger orientation is a good natural biometric trait enhances multi-user recognition on tabletops. en_US
dc.publisher ACM en_US
dc.subject Multi-touch tabletop en_US
dc.subject Touch Discrimination en_US
dc.subject Human-Computer Interaction en_US
dc.subject Finger Orientation en_US
dc.title Evaluating Finger Orientation for Position Awareness on Multi-Touch Tabletop Systems en_US
dc.degree.discipline Computer Science en_US
dc.contributor.examiningcommittee Eskicioglu, Rasit (Computer Science) Hossain, Ekram (Electrical and Computer Engineering) en_US
dc.degree.level Master of Science (M.Sc.) en_US
dc.description.note May 2012 en_US


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