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User’s Manual
5-26
5.4
The Color dropout Tab
5.4.1
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.
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.
Содержание FF-1105B
Страница 1: ...A4 Portable Scanner User s Manual Regulatory model FF 1105B manual en 250 0781 E IS25 v1 Avision Inc ...
Страница 19: ...User s Manual 3 3 Note Only use the battery model provided with the scanner NP120 for 3 7V 1700mAh ...
Страница 58: ...User s Manual 5 10 Error Diffusion Image ...
Страница 61: ...User s Manual 5 13 Normal Photo Document Threshold 230 Normal Photo Document Threshold 230 ...
Страница 73: ...User s Manual 5 25 The Compression tab dialog box ...
Страница 75: ...User s Manual 5 27 The Color Dropout dialog box ...
Страница 77: ...User s Manual 5 29 Remove Blue Threshold 20 Background 255 Remove Blue Threshold 20 Background Level 210 ...
Страница 88: ...User s Manual 5 40 Detection Area Outside the Range Box Top 3 Bottom 7 ...