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.
Selection of patches from the LL and HH images to construct their corresponding dictionaries of basis functions. Since the patch positions in these two images are known, the constructed dictionaries can be strictly matched. In mathematical representation, both LL and HH patches are lexicographically ordered as columns (atoms) of the corresponding dictionary.
