Used to enhance precision by emphasizing the outline of the image.
[Strength] slider
Used to specify the degree of lightness and darkness in the picture within a range of 1 to 100.
[Radius] slider
Used to specify the area for which Unsharp Mask is applied within a range of 1 to 10 pixels.
[Threshold] slider
Used to specify the degree of the border effect within a range of 0 to 100.