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.
Block diagram of signal processing for respiration rate (RR) estimation. (a) Thermal video frame with facial landmark detected by the fusion sensor system described in Section 2. (b) Time-series data extracted from nasal and oral areas. (c) Respiration signal that chooses from four signals (b) based on SQI. (d) Power spectra obtained by MUSIC.
