Canon DR-X10C - Manual (Page 121)

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Chapter 8 ISIS/TWAIN Driver Settings
[Export] button
Clicking this button exports the custom gamma curve
settings as a gamma table file (*.pxg).
[Image processing] Tab Sheet
The [Image processing] tab sheet provides settings affecting
the processing of scanned images. Some settings may be
disabled, depending on the mode settings on the [Basic] tab
sheet. For details,
see “Mode-Dependent Function
Limitations” on p. 8-10 .
Hint
When [Border Removal] and [Punch Hole Removal] are disabled,
the background color setting on the [Others] tab sheet is set to
[White].
■ [Image processing] Tab Sheet Settings
You can configure the following settings on the [Image
processing] tab sheet.
Edge emphasis
Adjusts the image contours. Move the slider toward Soft to
soften the image contours, or toward Sharp to sharpen the
image contours.