Unsharp Mask Action
The unsharp mask action allows unsharp masking based on the specified amount, radius, and threshold. The following values need to be defined: Amount of 1 to 500 percent, Radius of 0.1 to 1000.0
pixels, and a Threshold of 1 to 255 levels.
Property  | Value  | Details  | 
kind  | UnsharpenMaskAction  | |
amount  | Amount of 1 to 500 percent.  | Unsharp mask amount (the difference between blurred and original image).  | 
radius  | The radius of 0.1 to 1000.0 pixels.  | A blur radius is used to produce an unfocused version of the image.  | 
threshold  | The threshold of 1 to 255 levels.  | The threshold value for the unsharp mask in the range [0, 1]  |