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.
Resulting images from the application of morphological openings using different structuring element: (a) Original image; (b) line with 100 pixels length and 135 degrees of slope; (c) rectangle with 10 pixels height and 20 pixels width; (d) disc with radius of pixels
