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.
Original images (left), pixel classification before (middle) and after (right) distance transform-based procedure. Blue pixels indicate background, red is cell membrane and green is cell interior region.
