Canon CanoScan D646U CanoScan D646U Toolbox1.3 for Mac Guide - Page 14

Amount, Radius, Threshold, indicates sharpening farther away.

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3. Specify the percentage of sharpening you want in the Amount field. 4. Enter a number in the Radius field to specify the distance (in pixels) from an edge you want to sharpen. A low number indicates sharpening close to the image edges, and a higher number indicates sharpening farther away. 5. Enter a number in the Threshold field to specify the level at which pixels are sharpened. 6. Click OK to sharpen the image. CanoScan Toolbox 14

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14
CanoScan Toolbox
3.
Specify the percentage of sharpening you want in the
Amount
field.
4.
Enter a number in the
Radius
field to specify the distance (in pixels) from an edge you want to
sharpen. A low number indicates sharpening close to the image edges, and a higher number
indicates sharpening farther away.
5.
Enter a number in the
Threshold
field to specify the level at which pixels are sharpened.
6.
Click
OK
to sharpen the image.