Non-contact heart rate detection method based on head movement
A non-contact, detection method technology, applied in the measurement of pulse rate/heart rate, diagnostic recording/measurement, medical science, etc., can solve problems such as difficulty in ensuring accuracy and low signal-to-noise ratio of head movement signals, and achieve improved Signal-to-noise ratio, accurate non-contact heart rate detection, and the effect of non-contact heart rate detection
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[0021] In order to clearly illustrate the technical solution proposed by the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0022] The schematic diagram of the experimental method is attached figure 1 As shown, the method includes a light source 1, a plane mirror 2, an imaging device 3, and a receiving screen 4. The light beam emitted by the light source is reflected by the plane mirror 3, and after reaching the receiving screen 4, a light spot is formed on its surface. The imaging device 3 is placed on the heart rate monitor. In front of the object 5, the video of the light spot movement on the receiving screen 4 is obtained.
[0023] The principle of optical lever is attached figure 2 As shown, its working principle is: the light beam emitted by the light source 1 is reflected by the flat mirror 2 on the forehead to the receiving screen, forming a spot S on the receiving screen. D...
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