
User’s Manual
4-26
4.4
The Color Dropout Tab
4.4.1
Color Dropout Selection
Color Dropout tab allows you to drop either of the red, blue, or
green color in your scanned image. If your image contains red
color watermark or background, choose the R (Red) channel
then any red watermark or background will be removed. This
feature is used to sharpen your text when using OCR (Optical
Character Recognition) software.
The “Custom” option allows you to specify your desired color to
be removed by entering its RGB (Red, Green, and Blue) value
respectively or by selecting your desired color on the Color
palette. You can also select a color or view the color dropout
result by using the Preview window.
Tolerance: Specify the allowable color range to be removed for
the color you selected. Specified range: 1 ~ 100
The large the numeric value, the wider the color dropout range
is.
Note that this function supports only black & white and gray
images. Therefore, be sure to choose any black & white or
gray image type while applying this function.
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Страница 37: ...User s Manual Normal Photo Document Threshold 230 Normal Photo Document Threshold 230 4 13 ...
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Страница 59: ...User s Manual Remove Blue Threshold 20 Background 255 Remove Blue Threshold 20 Background Level 210 4 35 ...
Страница 73: ...User s Manual Detection Area Outside the Range Box Top 3 Bottom 7 4 49 ...
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