Today's crossword solution
EYEDRAW
continued from page 1A
at the Grace Hopper Celebration of
Women in Computing, which will be
held this October in Chicago The Eye
Draw software will be unveiled Wednes
day in Vienna at CHI2004, billed as a
premier international conference for
computer-human interaction.
Cavender and Hoselton conducted
the research for the software in the
University's cognitive modeling and
1
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eye-tracking lab. Although real-time
eye tracking has been linked to con
trolling computers before, Cavender
said this is the first time eye trackers
have been able to draw without scrib
bles, which have been the result of the
eye's natural movement.
"This is one of the first applications
where we've been able to control the
decision between drawing and not
drawing." Hoselton said.
During previous attempts to draw
with the eye, Hoselton said drawing oc
curred wherever the user looked on the
screen, which posed a technical prob
lem referred to as the "Midas touch
problem." Cavender said this problem
happens when the eye tracker has no
concept of "pen up or pen down." Pix
els are drawn wherever the user looks
on the screen, leaving the user without
real control over the drawing.
However, Hoselton and Cavender
found a way to give users more con
trol by enabling the eye tracker to dis
tinguish between intentional drawing
and simple gazing.
"We're taking data from the eye
tracker into the (EyeDraw) program
in the form of x-y coordinates, and
manipulating that data to optically
draw pictures," Cavender said. "We
use smoothing algorithms so that the
jerky nature of eye movements does
n't appear on the screen."
Hoselton and Cavender said the
process of development was methodi
cal but went abnormally fast because
they were so excited by the research.
"Just the initial steps of learning how
to get the eye data into the Windows
environment took one to two months;
from there we were able to expand to
clicking on buttons, drawing simple
lines, choosing points on the screen
and it just kind of evolved from there,"
Hoselton said. "The project was so fun
we couldn't stay away from it"
Hoselton said that although pre
liminary tests of EyeDraw with non
disabled users have shown that the
skill can be mastered in two to three
minutes, it was designed to give dis
abled children the ability to express
themselves through drawing and
develop their own creativity.
"I would just like to see our users
just enjoy having the experience of joy
of doing the same tasks that normal
or typically developed children do,"
he said.
Assistant Professor of computer and
information science Anthony Homof
oversaw the research and nominated
Cavender for the CRA award.
"Anna's work in the field of human
computer interaction opens up the cre
ative and scientific world to those who
have been locked out," he said.
Homof said initial tests by users
have shown the possibilities of such
software, which could be used by all
types of disabled users and average
consumers alike.
"We had a guy from IBM suggesting
that there should be an eye tracker on
every laptop," Homof said.
Contact the business/science/
technology reporter
at stevenneuman@dailyemerald.com.
Lauren Wimer Photographer
Senior Anna Cavender watches Rob Hoselton, a University graduate, demonstrate EyeDraw, a computer program they created that uses
eye movements to draw pictures. The two say the program should allow children and adults with severe motor impairments to express
their creativity by allowing them to ‘draw’ on the computer screen.
CLARIFICATION
It has come to the Emerald's atten
tion that the person pictured in the
upper left photo on page 2B of the
Travel Supplement (ODE, April 21)
was rock climbing on a hazardous an
chor system. This person was not affil
iated with the University's Outdoor
Program or Outdoor Pursuits Pro
gram, which are featured in the ac
companying story.
According to Michael Strong, direc
tor of the Outdoor Pursuits Program,
the safe way to configure an anchor is
to clip the climbing rope through a
locking and non-locking carabiner,
both of which are attached to the an
chor sling. When linked together in
this fashion, the rope cannot detach
from the anchor slings, or mb
through the anchor sling and break.
It's also a good idea to tie directly into
the climbing harness with the rope,
rather than clipping a loop of rope
into the harness with a locking cara
biner, Strong said.
For more information on correct an
chor practices, visit http://opp.uore
gon.edu/climbing/anchors.htm.
CAMPUS
Monday
* Judaic Studies Lecture, Alumni Lounge Ger- *
linger Hall, 4 p.m.-6 p.m. Sarah Abrevaya
Stein, University of Washington history profes
sor, discusses “Jewish Communities in Con
trast: Yiddish and Ladino Cultures in the late
Nineteenth and Early Twentieth Centuries."
• Portfolio Mentor Group, Room 244 (Career
Center Library) Hendricks Hall, 12 p.m.-l p.m.
Joyce McCracken, Career Center, facilitates dis
cussion of ways to create a resume or portfolio,
complete the UO online application and attract
the attention of potential employers.
f
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Registration begins Monday, May 3, 2004
For a complete course listing and more information, please visit our web page:
http://psyehweb.uoregon.edu/summer
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