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Equipment
The
Electric Signal Imaging – 256 channel system (ESI-256)
for brain research provides acquisition and data processing
for large electrode arrays in a wide range of applications,
including short and long latency evoked potentials, event-related
potentials, EEG, EMG and more. This ESI-256 System is the
second unit sold in the world and the first to be installed
in an academic research setting in North America. There
is growing evidence for the importance of improved spatial
sampling of electromagnetic fields generated in the brain
with accurate localization of the neural generators.
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Eye Gaze Tracking System
| Eye
Gaze tracking systems are available with both remote and
head-mounted optics. Images of the eye and the scene or
computer screen fixated by the eye gaze are both displayed
in different display monitors. The eye, which is illuminated
by a low level noninvasive infrared light, is scanned by
a video camera. An application specific integrated circuit
tracks, in real time, the position and orientation of the
pupil in the dynamically acquired black and white images
of the eye at the standard rate of 32 frames per second.
As such, several functions such as calibration, eye position,
eye- gaze tracking, pupil diameter, and other data of interest
can be transmitted through a serial port and recorded by
the computer for analysis. The applications involve a host
of human-computer interface research issues. Such applications
will come to serve people who live with disabilities. People
who have lost function of their limbs may be able to control
the cursor movement, select icons and perform mouse-clicking
functions of the computer through eye gaze related functions
alone. People with low vision will be able to test their
ophthalmologic and cognitive characteristics, where improvements
in interface usage are then designed and provided. Thus,
in general, whether the user is able-bodied or not, automatic
control of the eye movement can result in the optimization
of the utility and control of human interfaces from computer
terminals to consoles to cockpits and other type of control
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Onyx supercomputer offers true supercomputing power that
combines a parallel CPU subsystem configured with up to
12 R8000 64-bit RISC-based microprocessors. A single R8000
processor provides 300 million double precision floating
operations per seconds (MFLOPS) and 300 million instructions
per second (MIPS). The Onyx system provides a computing
platform for advanced 3D graphics and visualization and
for the development of parallel software algorithms for
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The
RCM 8000 real-time confocal microscope main system integrates
a multi-line visible Krypton Argon Ion laser. This confocal
system consists of two principle modules: (1) a dual laser/dual
photometer detector-based scanning module, and (2) a real-time
imaging module for real-time acquisition, processing, and
storage of image information under three different spectral
ranges, using single wavelength, two-color dual wavelength,
and using dual emission confocal images. The confocal microscope
offers tremendous potential for growth in biomedical applications,
specifically in the area of how scientists will view, analyze,
and understand three-dimensional image formation -based
processes.
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A Flow Cytometer
This
is a Coulter Corporation EPICS Profile II Cytometer, which
is capable of measuring light scatter (fluorescence or laser)
with up to 10,000 microscopic particles per second. The
forward angle light scatter provides information on the
particle size whereas the right angle light scatter provides
information that relates to the complexity of the cell (texture
information, granularity). The main modules are: (1) a Sensory
Module: consisting a non-exposed Argon laser, the photo-multiplier
tubes (PMT) detectors, a sampling system, and the sensory
electronics; and (2) a Data Acquisition Module: consisting
of a signal processing control system, and a data collecting
and analyzing system. Performance specifications include:
a light scatter sensitivity of less than 0.5 m m, a maximum
analysis rate greater than 10,000 cells per second, and
a sample size range of 0.5 m m to 40 m m for light scatter
measurements, and 40 m m down to macromolecular size of
fluorescence measurements.
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The
Nomad 200 is an integrated mobile robot system with four
sensory modules including a tactile module consisting of
pressure sensitive sensors, an infrared sensing module providing
a 360° environment coverage and a range up to 24 inches,
an ultrasonic module providing range information for up
to 6.5 meters, and a structured light vision system which
through a horizontal light projection estimates the range
to the object using triangulation. This roving robot is
enhanced here with the integration of CCD cameras for augmented
computer vision applications. The Nomad robot has on-board
processors dedicated to the control of the sensors and the
robot’s motor. Its mobility is achieved through a
three-wheel base that can translate and rotate with a translational
speed of 20 inches per second and a rotational speed of
60° per second.
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Work Stations
The CATE Center also has several workstations including
12-2.0 GHz, 2-2.3 GHz, 4 Linux workstations, 10 indys Unix
workstations and 6 Windows 2000 machines.
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