Kodak 8412447 User Guide - Page 52

The Dropout tab, Camera Selection box, Color Dropout, Remove Red, Remove Blue., Filter Threshold

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Page 52 highlights

The Dropout tab Electronic Color Dropout is used to eliminate a form's background so that a document management system may automatically - through OCR (Optical Character Recognition) and ICR (Intelligent Character Recognition) technology - read pertinent data without interference from the lines and boxes of the form. The i55/i65 Scanners can dropout either red, green or blue. The Dropout tab allows you to select the desired dropout color and alter the filter threshold and background. Camera Selection box  electronic color drop-out is available only for bi-tonal and grayscale images. Color Dropout  choose the color you want to eliminate: (none) Remove Red, Remove Green, Remove Blue. Filter Threshold  the value that is used to identify the color which will be dropped out. This value is applied to the color area. Color with a Red/Green/Blue component more than the entered value is dropped. This setting determines how much of the selected color is dropped out. A lower value will leave more of the selected color in, while a higher value will drop more of the selected color out. Background  this value will be substituted in the grayscale (prethresholded) image for the color being removed. Therefore, this value should be higher than the threshold value selected on the Imaging tab for this pixel to become the background color. For example, if you are scanning a white document with a green form and you have selected a bi-tonal threshold value of 127, you should choose an electronic color drop-out background value greater than 127 so the substituted pixel will be white in the dropped-out image. 48 A-61527 May 2006

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48
A-61527
May 2006
The Dropout tab
Electronic Color Dropout is used to eliminate a form’s background so
that a document management system may automatically — through
OCR (Optical Character Recognition) and ICR (Intelligent Character
Recognition) technology — read pertinent data without interference
from the lines and boxes of the form. The i55/i65 Scanners can dropout
either red, green or blue. The Dropout tab allows you to select the
desired dropout color and alter the filter threshold and background.
Camera Selection box
electronic color drop-out is available only for
bi-tonal and grayscale images.
Color Dropout
choose the color you want to eliminate:
(none)
Remove Red, Remove Green, Remove Blue.
Filter Threshold
the value that is used to identify the color which will
be dropped out. This value is applied to the color area. Color with a
Red/Green/Blue component more than the entered value is dropped.
This setting determines how much of the selected color is dropped out.
A lower value will leave more of the selected color in, while a higher
value will drop more of the selected color out.
Background
this value will be substituted in the grayscale (pre-
thresholded) image for the color being removed. Therefore, this value
should be higher than the threshold value selected on the Imaging tab
for this pixel to become the background color. For example, if you are
scanning a white document with a green form and you have selected a
bi-tonal threshold value of 127, you should choose an electronic color
drop-out background value greater than 127 so the substituted pixel will
be white in the dropped-out image.