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.
Evaluation of latency and image quality during internet transmission from Hefei to Changchun. (a–c) Original images of the 24-color card, the contrast card and the grayscale card; (d–f) The images received in Changchun; (g–i) Color, contrast, and grayscale difference at three different internet speeds. internet speed 1: 17 Mbps; internet speed 2: 37 Mbps; internet speed 3: 67 Mbps.
