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.
a Captured raw image; b In-focus slices of the focal stack at different depths indicated by red arrows, and cross-section (labelled by a white line) of each in-focus slice is drawn under each view; c Depth map
