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.
Registration process. During registration, one of the original images is taken as the reference for registration. The registration process includes four steps: feature point extraction, feature point matching, transformation matrix calculation, and source image resampling. The particle swarm optimization (PSO) algorithm improves the registration efficiency.
