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.
LIV computed using different numbers of frames and different acquisition time windows. Each column represents LIV images computed from 5, 9, 17, 33, and 65 frames (left to right). Each row represents the maximum time separation from the first frame to the last frame, i.e., the total acquisition time window. This window ranges from 0.82 (shortest, top) to the 6.55 s (longest, bottom).
