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Henry Fuchs(University of North Carolina at Chapel Hill, USA)
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Immersive Integration of Physical and Virtual Environments
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We envision future work and play environments in which the user's computing
interface is more closely integrated with the physical surroundings than
today's conventional computer display screens and keyboards. We are working
toward realizable versions of such environments, in which multiple video
projectors and digital cameras enable every visible surface to be both measured
in 3D and used for display. If the 3D surface positions were transmitted to a
distant location, they may also enable distant collaborations to become more
like working in adjacent offices connected by large windows.
Together with collaborators at several institutions, we at Chapel Hill have
been working to bring these ideas to reality. In one telepresence system,
for example, depth maps are calculated from streams of video images from one
location and the resulting 3D surface points are displayed to the user at the
other location in full 3D, head-tracked stereo.
Among the applications we are pursuing for this telepresence technology, is
advanced training for trauma surgeons by immersive replay of recorded
procedures. Other applications display onto physical objects, to allow more
natural interaction with them - painting a dollhouse, for example.
More generally, we hope to demonstrate that the principal interface of a future
computing environment need not be limited to a screen the size of one or two
sheets of paper. Just as a useful physical environment is all around us, so too
can the increasingly ubiquitous computing environment be all around us --
integrated seamlessly with our physical surroundings.
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Henry Fuchs is the Federico Gil Professor of Computer Science and Adjunct
Professor of Biomedical Engineering at UNC Chapel Hill.
He has been active in computer graphics since the early 1970s, with rendering
algorithms (BSP Trees), hardware (Pixel-Planes and PixelFlow), virtual
environments, tele-immersion systems and medical applications. He received a
Ph.D. in 1975 from the University of Utah. He was a member of the faculty of
the University of Texas at Dallas from 1975 to 1978. He joined the faculty at
the University of North Carolina at Chapel Hill in 1978.
He is a member of the National Academy of Engineering, a fellow of the American
Academy of Arts and Sciences, the recipient of the 1992 ACM-SIGGRAPH
Achievement
Award, the 1992 Academic Award of the National Computer Graphics Association,
and the 1997 Satava Award of the Medicine Meets Virtual Reality Conference.
http://www.cs.unc.edu/~fuchs/
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