Canon imageFORMULA DR-S150 User Manual page 65

If [Skip Blank Page] is selected, the [Setting] button is enabled, and
you can adjust the level for judging whether pages are blank.
When you want to enhance contours in images
Adjust the edge emphasis setting on the [Image control] tab.
When you want to reduce the moire patterns that appear
when color photos in magazines and other documents are
scanned at low resolutions
Setting [Moire Reduction] on the [Image control] tab sheet allows you
to reduce the moire patterns that are generated when color photos are
scanned at low resolutions.
Hint
Moire reduction is enabled when the resolution is 300 dpi or less, and
[High Quality Moire Reduction] is displayed when the resolution is
240 dpi or less.
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