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.