Research Article
Contactless Monitoring of Breathing Patterns and Respiratory Rate at the Pit of the Neck: A Single Camera Approach
Table 3
Breathing frequency extracted with the 5 sensor settings and from reference with the PSD analysis.
| Trial | Respiratory rate (breaths/min) | Dominant peak frequency (Hz) | Reference | PAL | WVGA | VGA | NTSC | SVGA |
| 1 | 16.11 | 16.11 | 16.11 | 16.11 | 16.11 | 16.11 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 | 0.27 |
| 2 | 13.92 | 14.28 | 13.18 | 13.18 | 13.92 | 14.28 | 0.23 | 0.24 | 0.22 | 0.22 | 0.23 | 0.24 |
| 3 | 7.32 | 7.32 | 7.32 | 7.32 | 7.32 | 7.32 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 | 0.12 |
| 4 | 13.18 | 13.18 | 13.18 | 13.18 | 13.18 | 13.18 | 0.22 | 0.22 | 0.22 | 0.22 | 0.22 | 0.22 |
| 5 | 14.65 | 14.65 | 14.65 | 14.65 | 14.65 | 14.65 | 0.24 | 0.24 | 0.24 | 0.24 | 0.24 | 0.24 |
| 6 | 13.18 | 12.45 | 12.45 | 12.45 | 12.45 | 12.45 | 0.22 | 0.21 | 0.21 | 0.21 | 0.21 | 0.21 |
| 7 | 15.01 | 15.01 | 15.01 | 15.01 | 15.01 | 15.01 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 | 0.25 |
| 8 | 12.09 | 11.72 | 11.72 | 11.72 | 12.09 | 11.72 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 | 0.20 |
| 9 | 12.82 | 12.82 | 12.82 | 12.82 | 12.82 | 12.82 | 0.21 | 0.21 | 0.21 | 0.21 | 0.21 | 0.21 |
| 10 | 10.25 | 10.99 | 10.99 | 10.99 | 10.99 | 10.99 | 0.17 | 0.18 | 0.18 | 0.18 | 0.18 | 0.18 |
| 11 | 18.31 | 18.31 | 25.63 | 25.63 | 25.63 | 18.31 | 0.31 | 0.31 | 0.43 | 0.43 | 0.43 | 0.31 |
| 12 | 23.44 | 23.44 | 23.44 | 23.44 | 23.44 | 23.44 | 0.39 | 0.39 | 0.39 | 0.39 | 0.39 | 0.39 |
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