Figure 4.
Detection of the first tentative boundary. (a) A region of interest is used to create a histogram; (b) the bold line is the intensity of boundary in the mammogram; (c) results of identifying the first tentative boundary.
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.