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New laserBIRD 2
Offers High Speed Tracking
with Improved Accuracy
BURLINGTON, VERMONT; MAY
24, 2004: Ascension
Technology has just
announced release of the second
generation laserBIRD™ precision
optical motion tracker. Customers
will find significant performance
improvements make
laserBIRD
2 not only the
fastest but now the most accurate
tracker available for head
tracking in simulators and
trainers. Enhancements also
make laserBIRD 2 ideal for
medical imaging and treatments
in which precise registration
of patient position is required.
laserBIRD delivers highly-accurate
position and orientation tracking
without environmental interference
or distortion. Its miniaturized
scanner reflects laser beams
throughout the workspace.
Each sensor, attached to a
tracked object, instantly
picks up the laser beams.
Signals are then directed
back to the scanner’s DSP
electronics for processing
and transmission to a host
PC or workstation running
the application program.
Technical improvements to
laserBIRD’s accuracy levels
are considerable. Positional
accuracy has been improved
33 percent to 0.7 mm RMS.
Angular accuracy has been
improved 50 percent to 0.5
degrees, and the tracker’s
overall dynamic accuracy has
improved 40 percent.
In addition, laserBIRD’s
field of vision has been expanded
30 percent along with an angular
range increase of 5-10 percent.
Set-up time is minimal; the
tracker’s emitter has small
form factor and can be mounted
quickly without calibration
and alignment requirements.
With these technical advancements,
laserBIRD 2 offers substantial
advantages over competitive
IS-900 trackers:
- Three times better positional
accuracy (0.7 mm vs. 2-3
mm)
- Faster measurement rate
-- 240 Hz
- Precise, repeatable tracking
when used on simulators
with motion-based platforms
- Freedom from acoustic
and magnetic noise interference
“Our new laserBIRD 2 has
already been implemented into
a major European helicopter
simulator program, and the
customer is ‘amazed’ at the
accurate, high quality data
in their dome display,” reports
Greg Erdmann, Ascension’s
manager of new sales development.
“They are highly impressed
by the improved performance.”
Applications for laserBIRD
2 include head and object
tracking for simulators and
virtual or augmented reality
systems. Suited for real-time
navigation in image-guided
procedures as well as biomedical
instrument tracking, laserBIRD
2 also provides tracking in
biomechanical measurement
and robotic guidance. For
more information, visit www.ascension-tech.com.
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