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Calibration:
Determination of the absorbed dose-pixel value curve
Frame to align
only central part of
the scanner is used
Use of globes to avoid
scratches and
fingerprints
7 film patches (7 dose
levels)
Dose measured with a
c.i. before and after film
irradiation
24 h between irradiation
and digitization
Five scans before
reading the calibration
films.
Keep track on film
orientation,
landcape or portrait.