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2). Color drop-out - Apply exclusively when you need to
scan as a black and white image
The Color drop-out function allows you to remove one of
the R(Red), G(Green), or B(Blue) color or to convert all
the color data into Neutral Gray. For example, if you want
to remove the text or background in blue color, simply
check the Blue Channel then the text or background in
blue color will be removed. On the other hand, if your
original contains various color data, then check the
Neutral Gray to retain all the color data in gray since
removing either one of the red, green, or blue color will
inadvertently affect the rest color data as every color
contains different elements of each of the red, green, and
blue channel. See the result below:
Your original with blue color background
Your original with red watermark
After click the B(Blue) channel
After click the R(Red) channel
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