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.
Comparative receiver operating characteristic curves for three auto readings (Auto 1a, Auto 1b, and Auto 1c) by operator 1, taking Manual 1a, Manual 1b, Manual 2a, and Manual 2b as ground truth are shown in figures a1, a2, a3, and a4, respectively.
