A-61848 / TWAIN October 2016
23
Color Dropout
— used to eliminate a form's background so that only
the entered data is included in the electronic image (i.e., remove the
form’s lines and boxes). For black and white images, these settings
effect the grayscale version of the document which the scanner
analyzes to produce that electronic image.
•
Color
: select the desired dropout color.
- (none)
- Multiple
: drops colors other than dark shades (e.g., black or dark
blue ink). This feature does a color analysis of every image
scanned and drops out up to 5 different colors. The individual
colors could be any of more than 16 million colors. Use the
Aggressiveness
slider to adjust the color. You do not need to pick
which color(s) to drop.
Multiple
is available for grayscale output.
- Predominant
: drops the predominant color. Use this option even
if your forms are all the same color, as it drops a wider range of
single colors. This option is also a good choice if you have
several forms that each have one form color as you can mix the
forms in a single batch.
- Red
- Green
- Blue
- Orange
- Orange and Red
•
Aggressiveness
: allows you to adjust the extent at which colors are
dropped. The values range from
-10
to
10
. The default is 0.
This
option is only available when Color is set to
Multiple
or
Predominant
.
•
Include non-dropped image:
for each dropout image, the scanner
will also generate the original version of the image (i.e., the
application will receive two separate images).
NOTE: All Color Dropout options are available when the
Scan as
selection is
Black and White
or
Grayscale
.
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