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GESTURING THROUGH CURSORS: IMPLEMENTING MULTIPLE POINTERS IN GROUP SUPPORT SYSTEMS

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Author
Hayne, Stephen
Pendergast, Mark
Greenberg, Saul
Accessioned
2008-02-27T22:10:10Z
Available
2008-02-27T22:10:10Z
Computerscience
1999-05-27
Issued
1992-09-01
Subject
Computer Science
Type
unknown
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Abstract
The focus of this paper is on the issues underlying the concept of gesturing. Gesturing from one human to another appears to span all cultural boundaries; one could possibly call it a universal means of communication. Studies of group work have shown that gesturing makes up over 35% of all interactions. Participants gestured to enact ideas, to signal turn-taking, to focus the attention of the group, and to reference objects on the work surface. Specifically, this paper explores gesturing as applied to users of Group Support Systems. The definition of gesturing is extended beyond simple telepointers to include 1) the use of motion as a means of expression, and 2) movement that expresses or emphasizes an idea, a sentiment or attitude. We address such issues as: at what level of interaction should gesturing be supported, how large and what shape should gesture pointers be, how should they move, what are network and processor throughput requirements, and what effect group size may have. Our results show that full motion computer gesturing can be supported on PC-LAN systems for small groups. Gesturing for medium and large groups requires the use of special techniques such as regulating transmission rates, motion smoothing, and point & quiver cursors. These techniques can also be applied to wide area network implementations to reduce network traffic and latency problems.
Notes
We are currently acquiring citations for the work deposited into this collection. We recognize the distribution rights of this item may have been assigned to another entity, other than the author(s) of the work.If you can provide the citation for this work or you think you own the distribution rights to this work please contact the Institutional Repository Administrator at digitize@ucalgary.ca
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University of Calgary
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Science
Doi
http://dx.doi.org/10.11575/PRISM/30692
Uri
http://hdl.handle.net/1880/45941
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