A heart rate variability measurement method based on mobile device camera
A heart rate variability, mobile device technology, applied in the measurement of pulse rate/heart rate, diagnostic record/measurement, medical science, etc., can solve problems such as tedious steps, achieve high accuracy, realize automatic analysis and calculation, and easy to operate.
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[0035] Such as figure 1 As shown, a heart rate variability measurement method based on information obtained from a mobile device camera, the steps are as follows:
[0036] S1. Extract the information obtained by the camera of the mobile device, and preprocess the rough video frame data obtained by the camera of the mobile device; divide the face of the human body into 5 regions to obtain facial information, and then capture the video from the front camera of the mobile device Extract and normalize the green channel of each frame in . Based on the obtained video information, the green channel information is normalized.
[0037] S2, using a sliding window mechanism to create a multi-channel image;
[0038] The inventive model processes the green channel information to predict the HR and heart rate variability of the person in the captured image. However, processing each frame produced by the camera is computationally prohibitively expensive. Therefore, a sliding window mecha...
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