IMAGE QUALITY CONTROL
14 Planmeca ProSensor
User’s Manual
9
IMAGE QUALITY CONTROL
Verify the image quality after installing the software and
before patient exposure. Perform quality control check
according to the requirements of local authorities, using
for example Quart phantom or similar.
It is recommended to regularly monitor the image quality
using the same phantom according to the requirements of
local authorities. See also the Constancy test manual for
Planmeca Digital Intraoral X-ray System (publication
number 10009324)
Before performing phantom exposures verify that the
brightness and contrast settings of the monitor are
accurate by using a SMPTE test pattern or similar.
9.1
Quality check using SMPTE test pattern
The test image is specified by the Society of Motion
Picture and Television Engineers (www.smpte.org), and
follows the SMPTE Recommended Practise RP 133-1991
Specifications for Medical Diagnostic Imaging Test
Pattern for Television Monitors and Hard-Copy Recording
Cameras. This image should be used for monitor setting
and quality checks performed:
•
Before every working day: The 5% gray field inside the
0% field and the 95% gray field inside the 100% field
should be visible. If not, adjust the brightness and contrast
of the monitor.
•
Every month: The line raster in the corners and in the
centre must be visible, the vertical and horizontal lines
must form undistorted squares and the homogeneous
grey background must not be coloured.
10
USING THE SENSOR HOLDERS
The sensor holders provide an easy way to position the
sensor for different anatomical and diagnostic needs. For
instructions how to use the sensor holders, please refer to
the manual supplied with the sensor holder package.
Summary of Contents for ProSensor
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