Creation Of New Pixel Map - Siemens MAMMOMAT Novation DR Installation Manual

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Creation of new pixel map

During the calibration function, you have the option of creating a new pixel map of the
detector. The pixel map indicates which pixels in the Detector's array might not be reading
X-ray densities correctly and so should be ignored when the image is acquired. This is
similar to a bad spot map for a computer's hard disk.
A new pixel map should be created when an excessive amount of pixel dropout is occur-
ring repeatedly on images displayed in the Image Preview window.
To create a new pixel map:
NOTE
1.
NOTE
2.
DR
MAMMOMAT Novation
System
Make sure that no patient is registered before you start the Bad
Pixel Mapping.
Log into local service Options -> Service -> Local Service.
The Service Level 5 or higher is necessary to do the Bad Pixel
Mapping.
Select Acquisition System.
Fig. 14 Service Home Page
SPB7-250.815.02
Rev. 02 09.04
Image Quality
Page 14 of 20
CS SD 24
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