Descreen - Canon CanoScan D1230UF User Manual

chapter 4
What is on the
Screen?
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Saving the Exposure Data
This function is available when Image Source is set to [Film] and the auto
exposure compensation function is set to On. If a check mark is placed
beside this option, you can scan a new film using the exposure data from
a prior film. If, for example, a film is shot under the same lighting
conditions and settings as another, several frames can be scanned with
the same exposure data, making it possible to achieve finely matched
color tones.

Descreen

Click this check box if you want ScanGear CS-U to conduct moiré
reduction to improve the overall image quality. Moiré are dot patterns
that interfere with processing images for professional use and are usually
caused by poor dithering resulting from scanning images from
newspapers, books, magazines, etc.
Unsharp Mask
Click this check box to switch the Unsharp Mask feature on and off.
Sharpens an image, such as a photograph that is slightly out of focus, by
emphasizing the contrast to make outlines clearer.
•
Note
•
When the image would not be improved with
Descreen, try to switch the Unsharp Mask function
off.
The effects by Descreen and Unsharp Mask will not
show in the Preview area.
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