An official website of the United States government
Here's how you know
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.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Track detected by the algorithm for a particle of m at rest on a coverslip glass for an image of 100 × 100 pixels, 1.9 pixel/m over 200 frames. The track is represented by the small red pattern in the center and enlarged in the dotted circle (right).