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.
Representative image of segmented gray matter image in (a) synthetic (T1- and proton density-weighted) segmentation and (b) single contrast (T1-weighted) segmentation. (c) is a T1-weighted image and (d) is a proton density-weighted image. Red and blue arrows show mis-segmentation in single-contrast segmentation.
