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.
Digital image representation. (A) Logical image with values 1 for white and 0 for black; (B) Grayscale image in the 24-bits depth format (values ranging from 0 to 255); (C) Color image on the RGB color space where each matrix is a 24-bits depth image, one for each color layer.
