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4.8.2 Image Filter
Figure Advance dialog (Image Filter)
♦ Edge Processing
This option specifies the sharpness of a scanned image.
Select "None", "Edge Extract", "Smoothing (Background Removal)" or "Emphasis".
None
Edge processing is not performed.
Edge Extract
This option outputs an image with the edge extracted.
If this option is selected, the boundary between the black part and white part in a closed
area is traced and the edge extracted.
"DTC Variance" and "Edge Extract" are mutually exclusive.
Smoothing (Background Removal)
This option specifies whether to smooth the curves in an image by removing zigzag
lines. "Smoothing" or "Emphasis" can be selected. In addition, "Edge Extract" and
"Emphasis" are mutually exclusive.