Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Three different misdefinition cases: A. Random, each control point can randomly move to 8 directions to the nearest or next-nearest neighbor; B. Dilation, each control point only randomly moves to one of the four outward directions; C. Erosion, each control point only randomly moves to one of the four inward directions.
