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Remote Measurements of Heart and Respiration Rates for Telemedicine

Figure 11

Extracting HR from Michael Phelps video obtained from YouTube.

All the red curves correspond to the first time period, and all the purple curves correspond to the second time period. The rectangles superimposed on his chest indicate the ROI for the first time period (A) and the second time period (B). 3 seconds observed time series from the first time period (C) and the second time period (D). The separated source signals for the first time period (E) and the second time period (F). The recovered blood volume pulses for the first time period (G) and the second time period (H). The spectrum of the blood volume pulses for the first time period (I) and the second time period (J). Reprinted from [43] under a CC BY license, with permission from [Longhorn Network], original copyright [2012].

Figure 11

doi: https://doi.org/10.1371/journal.pone.0071384.g011