Non-contact method and system for synchronously measuring human respiration rate and heart rate
A non-contact, synchronous measurement technology, applied in the measurement of pulse rate/heart rate, diagnostic record/measurement, medical science, etc., to achieve the effect of huge application potential, obvious change characteristics and high accuracy
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[0043] combine Figure 1 to Figure 11 To further illustrate, the non-contact method for synchronously measuring human breathing rate and heart rate, the measuring method includes the following steps,
[0044] S100. Obtain human face video information, and select two sensitive areas from the video frame image, which are the mouth area and the throat area;
[0045] S101. For the pixel values of the selected dual sensitive areas in each frame of the video, respectively use the coherent averaging method to generate 2 groups of RGB observation signals, and then perform high-pass filtering, detrending, demeaning, and normalization on the 2 groups of RGB observation signals in sequence. One preprocessing operation;
[0046] S102, for performing 6-channel blind source separation on the two groups of RGB observation signals generated based on the dual sensitive areas, and separating the respiratory signal and the heart rate signal;
[0047] S103, for identifying the respiration sig...
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