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.
Example of the challenges faced characterizing surgical site images, including poor lighting conditions, obstructing objects such as hair, stitches, and thin films, as well as different camera angles and positioning. Color image is available online.
