218 Corel PaintShop Pro X7 User Guide
Color, tonal, and resizing corrections tend to soften your photo, so it is
best to apply any necessary sharpening before you print, share, or
archive your photos.
Corel PaintShop Pro provides sharpening commands that improve
blurry photos by increasing the contrast of adjacent pixels. The
following sharpening commands can be applied to a selection, a layer,
or the entire photo:
• You can sharpen high-frequency details, such as edges, while
ignoring low-frequency details, such as large structures, gradients,
and background colors.
• You can improve image focus and clarity by increasing the
contrast between adjacent pixels, particularly along edges in the
photo.
• You can sharpen the mid- to high-contrast edges in the image
without enhancing noise, as is often done with professional color
correction.
To apply high-frequency sharpening
Edit workspace
1 Choose Adjust Sharpness High Pass Sharpen.
The High Pass Sharpen dialog box appears.
2 Type or set a value from 0.00 to 250.00 in the Radius control to
specify the distance (radius) within which dissimilar pixels are
sharpened.
Note: Photos with close-up subjects and softer details usually
require higher Radius settings; photos with lots of fine detail
usually require lower Radius settings.
3 Type or set a value from 0 to 100 in the Strength control to specify
the overall strength of the command.
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