The following prompt appears:
Specify first corner point of window or [entire Image/Clip region/Polygon/Existing] <entire Image>:
The following prompt appears:
Pick a speckle to set size or [Window/size in piXels/size in Units] <Window>:
The speckles to be deleted are highlighted, and the following prompt appears:
Press enter to proceed, pick a speckle to deselect or specify deselection option [Window/Polygon/Respecify size]: