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.
Representative example images in a 62-year-old man for comparison of super-resolution methods across multiple upsampling factors. Neural network–based methods had a pronounced effect at upsampling by a factor of eight or more. k = single frame, kt = multiframe, Z-pad = zero padding.
