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.
Transrectal ultrasound image of the prostate: (36) (a) original image; (b) initial manual drawing; (c) control point generation and manual revision; (d) automatic curve refinement; (e) red shows the manual revision and green shows the final refined delineation.
