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4.5 Dilate
This image filter enlarges the black areas. When it is used, the image quality and
legibility of the text are improved.
[Dilate Properties] dialog box
Amount
Input here the number of times the Dilate image filter is to be applied. When this
number is increased, the text and patterns appear thicker. Normally, a setting
of “1” is sufficient.
Direction
Select here the direction in which Dilate is to be applied.
4-Neighbor
The four pixels at the top, bottom, left and right around the black pixel in the
center are replaced with black.
8-Neighbor
The eight pixels around the black pixel in the center are replaced with black.
Before Dilate
After Dilate
T
T T
