Contactless Monitoring of Breathing Patterns and Respiratory Rate at the Pit of the Neck: A Single Camera Approach

Figure 9

(a) Bland-Altman graph and correlation analysis using the values obtained by the video signal collected at HD 720 resolution (). (b) Bland-Altman graph and correlation analysis using the values obtained by the video signal collected at NTSC resolution (). In the Bland-Altman, the black line is the MOD while the red lines are the upper and lower LOAs, respectively. In the correlation analysis, the dashed line is the linear regression curve. Each volunteer is reported with a different color and/or symbol.

(a)

(b)