https://player.vimeo.com/video/655337456?h=914f87a2a7&badge=0&autopause=0&player_id=0&app_id=58479
The terrain on the right has the tfSharpen filter added.
The default is Detail Enhancement, but there are three more settings of tfSharpen kernels that you can select from: Unsharp Masking, Unsharp Masking, fixed 5x5, or Sharpen, fixed 3x3.
This mode gives you the most control, using the two additional settings.
Increases or decreases the radius of the sharpen filter.