Figure 12.
PPG output: the blue line is the raw signal filtered between 0.5 and 3.0 Hz; the red line is the PPG output after the NLMS filtering.
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.