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.
Raw images often have artifacts that should be removed before further processing.
Perform general math or logic operations on the pixels of an image.
Transform the geometry of an image to match a specific map-projection.
Line up images by finding their overlaps, and create a mosaic.
