Remote sudden cardiac death early warning method based on non-contact
A non-contact, cardiac technology, applied in the measurement of pulse rate/heart rate, medical science, diagnostic signal processing, etc., can solve problems such as difficult determination of model order, not very smooth spectral lines, complex modeling process, etc.
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[0062] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0063] The present invention provides a remote sudden cardiac death early warning method based on non-contact, including the following process:
[0064] 1) Image acquisition
[0065] The video used was filmed indoors, illuminated by sunlight shining through a window. Participants sat about 40 to 50 centimeters in front of a laptop with a built-in camera, sat quietly, breathed naturally, and took videos facing the camera. While shooting the video, the pulse of the participant is measured with a physical measuring instrument, which is used to compare the accuracy difference with the final test result. The captured videos are captured in 24-bit RGB true color, at a frame rate of 15 frames per second, and at a pixel resolution of 1920×1080.
[0066] 2) Face detection and ROI acquisition
[0067] Use deep neural network to detect face area as ROI (Region of Interest)....
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