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May 7, 1999
While computers have become qualitatively smaller, cheaper,
and more powerful, we still interact with them using techniques
that differ very little from those of two decades ago. At Xerox
PARC, the "Extreme UI" group has been investigating
ways to enrich our connection with the computer: to investigate
new interaction techniques which use everyday skills and the
physical affordances of the devices themselves. By integrating
the natural affordances of the device(s) with the natural gestures
we already use, we hope to lower the cognitive effort required
for interaction; to make the application interface "invisible".
In this talk, we'll describe two of our investigations. The
first effort, "Squeezy UI", focuses on enhancing computational
devices with sensors (tilt, pressure, etc.) so that the devices
can sense a variety of gestures (squeeze, tilt, shake, etc.)
made by the user. By integrating these into the device interface,
a more natural interface can be achieved.
The second effort, "etags", takes advantage of the
progress made in the electronic tagging industry, which allows
cheap, robust, easily sensed IDs to be unobtrusively placed on
almost any object. By augmenting handheld computers to detect
these IDs, a variety of enhanced interactions become possible.
In this talk, we'll show videos demonstrating both of these
techniques in action, and discuss them, their implications, and
their limitations. Parts of this talk will be a "sneak preview"
of a talk which we will giving at SIGCHI in mid-May.
REFERENCES
- Roy Want, Kenneth P. Fishkin, Anuj Gujar, and Beverly L.
Harrison. "Bridging Physical and Virtual Worlds with Electronic
Tags". Proceedings of SIGCHI '99 (Pittsburgh, PA, May 15-20)
ACM, New York, 1999. to appear.
- Kenneth P. Fishkin, Thomas P. Moran, and Beverly L. Harrison.
"Embodied User Interfaces: Towards Invisible User Interfaces".
Proceedings of EHCI '98 (Heraklion, Crete, September 13-18).
In Press.
- Beverly L. Harrison, Kenneth P. Fishkin, Anuj Gujar, Carlos
Mochon, and Roy Want, "Squeeze Me, Hold Me, Tilt Me! An
Exploration of Manipulative User Interfaces". Proceedings
of SIGCHI '98 (Los Angeles, CA, April 18-23) ACM, New York, 1998,
pp. 17-24.
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Ken
Fishkin is a member of the "Extreme UI" novel user
interface group at Xerox PARC. At PARC, he has been a principal
member of a number of projects involving innovative user interface
designs, including the "Invisible Interface", "Magic
Lens", and "Dynamic Queries" projects. He holds
a MS (Computer Science) from the University of California-Berkeley.
Anuj Gujar is a member of the "Extreme UI" novel
user interface group at Xerox PARC. He has expertise in user
interface design, applications programming, and rapid prototypying.
He holds a MS (Computer Science) from the University of Toronto.
Beverly Harrison is a member of the "Extreme UI"
novel user interface group at Xerox PARC. She has worked on designing
systems and interfaces for telecommunications (1983-89), for
annotation of video (1991), for computer animation and modeling
(1995-6), and most recently on interfaces which blend physical
and virtual worlds (1997-9). She holds degrees in mathematics
(BMath, Waterloo), industrial engineering, and human factors
engineering (MS,PhD, University of Toronto). She has extensive
industrial experience from Bell-Northern Research (Nortel) and
Alias-Silicon Graphics.
Roy
Want is the manager of the Embedded Systems Area in the Computer
Science Laboratory at Xerox PARC. He is a veteran of PARC's original
Ubiquitous Computing work. He was the creator of the ParcTab
and before that the Active Badge location system at ORL. His
previous research focused on distributed multimedia systems.
During this time he participated in the ISLAND project at Cambridge
University and the Pandora project at Olivetti Research Ltd.
He holds a PhD in Computer Science from Cambridge University.
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