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.
Spectral classification of a nevus: (a) original RGB image, (b) a shading-corrected image (left), and a comparison of intensity profiles of the original and corrected image along the dotted lines (right); (c) a conventional spectral classified image (left) and normalized reference spectral signatures for normal skin and a nevus (right) are shown.
