unsharp
Arguments:
- radius[%]>=0,_amount>=0,_threshold[%]>=0
Description:
Apply unsharp mask on selected images.
Default values:
amount=2 and threshold=0.
Example of use:
$ gmic
image.jpg blur 3 +unsharp 1.5,15 cut 0,255

Command:
image.jpg blur 3 +unsharp 1.5,15 cut 0,255

Command:
image.jpg blur 3 +unsharp 1.5,15 cut 0,255