Figure 4.
a, Layout of the phantom image acquisition experiment. b, Image transformation from the second 3DUS image into the coordinate system of the first.
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.