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ARRI DIGITAL INTERMEDIATE SYSTEMS | | ARRISCAN
Infrared Against Scratches
Besides the RGB illumination unit, the ARRISCAN uses an additional
infrared illumination channel to identify lm defects. Since lm color
dyes are transparent for infrared light, the ARRISCAN sees only lm
defects (such as dust, lint and scratches) in the infrared image, which
means such defects can quickly be isolated and corrected.
Kodak’s DIGITAL ICE Technology uses the infrared channel of the
ARRISCAN to automatically remove dust, scratches and blemishes from
a scanned image. First, DIGITAL ICE identies all defects in the image
and then reconstructs the true color information wherever possible;
the number of blemishes is thereby reduced signicantly. Remaining
defects that are too severe to be reconstructed perfectly are marked
in an additional defect map, which can either be stored as a matte or
embedded into the scanned image. Downstream workow productivity
both in terms of labor and time is signicantly improved.
Optimized for the ARRISCAN image processing chain, DIGITAL ICE
is seamlessly embedded into the data path and is applied to the images
on-the-y while scanning.
The DIGITAL ICE package is available as an additional option for the
ARRISCAN.
Original scan
Defect matte is created
Corrected image
Image scanned by ARRISCAN using
KODAK DIGITAL ICE Technology