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Phone: +1 866 302 7939
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Phone: +82 2 2175 8900
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www.barcomedical.com
In addition to its stabilizing function, I-Guard can precisely
measure and calibrate any DICOM Just Noticeable Difference
(JND) value as defined by DICOM Part 14 with 18-bit
precision.
I-Guard requires a few square millimeters at the edge of the
screen to do its job unnoticed in the background, without
disturbing the radiologist’s work. Whether it is overnight
when the screen is not used, or during a busy day while the
display is in use, I-Guard
can take readings from the small
test-patch displayed in the I-Guard area while a medical
image is on the screen.
Combined with Barco’s MediCal QAWeb softcopy QA tool,
I-Guard
brings fast and easy calibrations, automatic Quality
Assurance testing and remote diagnoses of the display.
Ambient Light Compensation (ALC)
Changing ambient light conditions in the
radiology reading room greatly influence display
performance and the ability to detect subtle
information. To compensate for this, Barco created
the intelligent Ambient Light Compensation (ALC) system.
Barco’s ALC functionality:
•
Measures the ambient luminance
•
Compares the measured luminance to preset thresholds
that characterize your reading room, as defined in the AAPM
TG18 guidelines
•
Notifies the QA administrator if the ambient luminance is
not within the predefined range
•
Corrects the DICOM curve in the Look-Up Table in real-
time in accordance to the luminance level of the reading
environment (if preferred)
In combination with Barco’s MediCal QAWeb, ALC provides
an automatic alert functionality that warns the administrator
when the level of ambient light in the reading room is too
high.
K5906087 01.00 1107 © 2007 Barco
Technical specifications are subject to change without prior notice
Reading environment
Max illuminance
level (Lux)
Preset
illuminance
(Lux)
X-Ray
Diagnostic reading
room
10
5
CT/MR/NM reading
Room
60
35
Staff office
180
120
Clinical viewing room
250
215
ER room
300
275
OR room
400
350
Custom
TBD (<1000 Lux)
TBD (<1000 Lux)
Typical ambient light levels in various reading environments
