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Title: Assisted Viewpoint Interaction
for 3D Visualizations
When:
Tuesday, April 26, 2005, 2:00pm - 4:00pm
Where: Large Commons Room, 5th Fl.
IS Bldg.
Who:
Stephen Hughes
Committee:
Dr. Michael Lewis (Advisor), DIST
Dr. Peter Brusilovsky, DIST
Dr. Shi-Kuo Chang (Dept of Computer Science)
Dr. Stephen Hirtle, DIST
Dr. Michael Spring, DIST
Abstract: Many Three-dimensional Visualizations
are characterized by the use of a mobile viewpoint
that offers multiple perspectives on a set of visual
information. To effectively control the viewpoint,
the viewer must simultaneously manage the cognitive
tasks of understanding the layout of the environment,
and knowing where to look to find relevant information,
along with mastering the physical interaction required
to position the viewpoint in meaningful locations.
Numerous systems attempt to address these problems
by catering to two extremes: simplified controls or
direct presentation. This research attempts to promote
hybrid interfaces that offer a supportive, yet unscripted
exploration of a virtual environment. Attentive Navigation
is a specific technique designed to actively redirect
viewers attention while accommodating their independence.
Initial evaluation shows that this technique effectively
facilitates several visualization tasks including
landmark recognition, survey knowledge acquisition, and
search sensitivity. Unfortunately, it also proves to
be excessively intrusive, leading viewers to occasionally
struggle for control. Additional development is proposed
to improve the design by suggesting formalized coordination
protocols that will mute the shortcomings of this
system.
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