Figure 2.
Illustration of image aligning. (a) Original tilted image. (b) Principal component analysis. (c) Aligned image after rotated.
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.