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6. Introduction to Medical Visualization systems
A control and calibration unit controls the display unit and insures the consistency of the displayed image according to a preset value
of the Display Function and Color temperature defined by the user.
Both parameters define a particular LUT.
PRESET
( = display function + color temp)
Image 6-1
6.3 Overview of Barco's DICOM THEATRE
Architecture
A typical example of a medical visualization system is BARCO's DICOM compliant DICOM THEATRE
This system provides consistent images for consulting, reviewing and training applications.
In this system the MGP projector is used as the large screen display device controlled and tuned by the MediCal
software providing optimal image quality and consistency at any time.
Analogy to the typical architecture
•
Display function : the function can be chosen to be DICOM, DIN, standard or custom. This is done in the projector.
•
Preset: is determined by the user on MediCal
•
Control and calibration unit: Role played by MediCal
•
Display units: one or more flat panel displays and one or more projectors
6.4 Introduction to MGP configuration
Overview
•
MGP main grayscale configuration tools
6.4.1
MGP main grayscale configuration tools
Available Presets
Basically the grayscale settings of the projector will depend on two factors
•
Display function, page 69
•
Color temperature, page 67
6 predetermined presets, containing each of them one particular display function and one particular color temperature, are stored
in the projector, they can however be overwritten at any time by MediCal
do not take account of any amount of ambient light, and could hence be referred to as DICOM compliant in dark room conditions at
time of manufacturing. It is advised to re-calibrate these presets to match them to the actual environment.
The factory settings can be restored via the projector's menu.
Each time a preset is adapted, a calibration has to be done in order to verify conformance and consistency.
42
Input signal
+
LUT
(DISPLAY FONCTION
-
+ COLOR TEMP)
®
CONTROL &
CALIBRATION
FEEDBACK
®
Pro and corresponds to a particular display function and color temperature.
®
Pro .
Pro. The presets have been pre-calibrated by Barco and
®
R5976741 MGP 15 MEDICAL GRADE PROJECTOR 28/04/2004
DISPLAY
.
®
®
Pro management
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