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A-63055 December 1999 49
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You can define a brightness level and dither setting for a specific area
of an image that is different from the brightness level and dither setting
of the whole image.
This way, a picture can be dithered while the rest of the page remains
undithered, or a faint stamp can be enhanced by setting a lower
brightness than the rest of the page. You can define three regions per
side. Each region can have its own brightness level, but all regions
must use the same dither setting.
Each scanning side is settable for up to three regions. This function is
available only for Binary mode.
Original Scanned image