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.
Note: “Start” refers to the beginning of the algorithm where the inputs consist of a scanned input field and the corresponding bubble field template. “Next” refers to the following section in Fig 5.
