Checking Grid Lines; Preconditions; Checking Visibility Of Grid Lines - Siemens MAMMOMAT Novation DR Manual

Image Quality
10-

Checking Grid Lines

9Image Quality
This chapter contains:
1. "Checking visibility of grid lines" on
2. "Measuring grid lines" on
If grid lines are visible in one or more images, the grade of grid lines must be measured.
The criteria for the mean pixel value difference of the visible grid lines is less than 1%.
3. "Eliminating Grid lines" on

Preconditions

•
The system is up and running.
•
The operator is logged in to the system.
•
The compression plate simulator is mounted on the MAMMOMAT.

Checking visibility of grid lines

1. Register or create a patient Grid lines test and submit with Exam.
Fig. 41: Calibration_Patient register
Siemens AG
Medical Solutions
(Measuring grid lines / p.
(Eliminating grid lines / p.
SPB7-250.815.06.02.02
12.05
(Checking visibility of grid lines / p.
65).
66).
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