Sharpen
Description
Enhances the sharpness or focus by selectively increasing the contrast between adjacent pixels along edges in an image.
Category
Image.
Controls
Presets
To select a preset, pick one from the Presets window.
Amount
Determines how much contrast is added at the edges.
Radius
Controls the size of the edges you wish to sharpen.
Threshold
The threshold setting is used to sharpen more pronounced edges, while leaving more subtle edges untouched. Low values sharpen more image areas while higher threshold values sharpen less.