PPG ROI OPTIMAL ROI DETERMINATION METHOD AND DEVICE FOR OBTAINING PPG SIGNAL USING SMARTPHONE

摘要

The present invention discloses a method and apparatus for determining an optimal ROI for obtaining a PPG signal using a smartphone. According to an aspect of the present invention, a method for determining an optimal ROI for obtaining a PPG signal using a smartphone includes: obtaining an image of a fingertip of a test subject using a camera of the smartphone; Extracting a green channel from the image; Acquiring a PPG signal on the extracted green channel; And estimating the heart rate of the test subject using the obtained PPG signal.