Nested dilations and erosions
What does this operation do?
•this is called an opening operation
•http://www.dai.ed.ac.uk/HIPR2/open.htm
You can clean up binary pictures by applying combinations of dilations and erosions
Dilations, erosions, opening, and closing operations are known as morphological operations
•see http://www.dai.ed.ac.uk/HIPR2/morops.htm