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Non-contact heart rate monitoring method

A heart rate monitoring, non-contact technology, applied in the measurement of pulse rate/heart rate, diagnostic recording/measurement, image data processing, etc., can solve problems such as not being able to adapt well to complex lighting environments, and inaccurate detection errors

Active Publication Date: 2020-05-08
玄云子智能科技(深圳)有限责任公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Once it cannot be tracked stably, detection errors will be introduced and accurate results cannot be obtained
[0014] The existing RGB model only considers single-channel or dual-channel signal processing, which cannot be well adapted to complex lighting environments in real environments

Method used

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Embodiment Construction

[0063] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so that the present invention can fully understand and implement the implementation process of how to apply technical means to solve technical problems and achieve technical effects. It should be noted that, As long as there is no conflict, each embodiment and each feature of each embodiment in the present invention can be combined with each other, and the technical solutions formed are all within the protection scope of the present invention.

[0064] In addition, the steps shown in the flow diagrams of the figures may be performed in a computer system, such as a set of computer-executable instructions, and, although a logical order is shown in the flow diagrams, in some cases, the sequence may be different. The steps shown or described are performed in the order herein.

[0065] like figure 1 , 2 , Shown in 3, the present inventi...

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Abstract

The invention discloses a non-contact heart rate monitoring method, which comprises the following steps of: 1) capturing a video stream from a camera, processing each frame of a video, obtaining faceposition information from the video frames, and importing the face position information into a tracker; 2) tracking the acquired face position information, processing the acquired face position information, extracting a face skin image from the face position information, and stripping the whole visual face area of the person from other background areas; wherein the size of the classification areais a single pixel area, and therefore the signal purity of a single pixel is extracted, and 4) performing illumination compensation and the like.

Description

technical field [0001] The invention belongs to a non-contact heart rate monitoring method. Background technique [0002] Photoplethysmography (PPG) technology is a technology used to detect the periodic synchronous pulsation signal of the heart. Through this technology, the heart rate, blood oxygen and even blood pressure of the detected object can be calculated. Since the heart is one of the important organs of the human face, physiological indicators such as heart rate and blood oxygen can effectively reflect human vital signs and can be further used for medical analysis; therefore, photoplethysmography technology is widely used in medical analysis, vital sign monitoring, and moving objects. Sign monitoring and other fields. [0003] There are two types of photoplethysmography: transmission type and reflection type. The traditional photoplethysmography technology uses contact measurement, most of which are transmission type. The object to be detected needs to wear corre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/246G06T7/11G06T7/73A61B5/024
CPCG06T7/246G06T7/11G06T7/73A61B5/02416G06T2207/10016G06T2207/20024G06T2207/30201
Inventor 邹子杰杨玄同
Owner 玄云子智能科技(深圳)有限责任公司
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