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Non-contact type automatic heart rate measurement system and measurement method

A non-contact, measurement system technology, applied in diagnostic recording/measurement, medical science, sensors, etc., can solve problems such as low measurement accuracy and susceptibility to motion artifacts, achieve high measurement accuracy and overcome motion artifacts shadow effect

Inactive Publication Date: 2014-11-12
TIANJIN DIANKANG TECH
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Problems solved by technology

However, almost all attempts to design remote measurement systems so far have been non-automated and susceptible to motion artifacts during use, resulting in inaccurate measurements

Method used

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  • Non-contact type automatic heart rate measurement system and measurement method
  • Non-contact type automatic heart rate measurement system and measurement method

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Embodiment Construction

[0033] The specific embodiments, structures, features, and effects provided by the present invention are described in detail below with reference to the drawings and preferred embodiments.

[0034] Such as figure 1 Shown is a functional block diagram of the non-contact automatic heart rate measurement system of the present invention.

[0035] The video capture module 11 uses a common camera or a dedicated camera with high shooting accuracy to capture color video containing the face area; the ROI extraction module 12 performs face tracking and positioning on the video captured by the video capture module according to the face tracking algorithm, and extracts The ROI (face area) of each frame of the video is extracted; the extracted ROI (face area) is separated by the three color channels of RGB through the primary color component separation module 13, and each frame of color image generates three grayscale images. Obtain the three groups of primary color component images of the ROI ...

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Abstract

The invention relates to the field of electronic health detection, and discloses a non-contact type automatic heart rate measurement system and a measurement method. The non-contact type automatic heart rate measurement system adopts a non-contact mode to remotely collect video data of a measured person and performs data conversion to realize automatic heart rate measurement, and is characterized by comprising a video collection module, a framing extraction ROI (region of interest) module, a primary color component separation module, a time-domain signal generation module, a blind source separation module, a signal screening module and a heart rate analysis module. Compared with the prior art, the non-contact type automatic heart rate measurement system and the measurement method are based on an automatic face track and blind source separation technology, adopt a noninvasive and non-contact type remote physiological signal detection method, overcome influence of motion artifact in video record, has motion tolerance, is high in measurement accuracy, and can perform heart rate measurement automatically and simultaneously.

Description

Technical field [0001] The invention relates to the field of electronic health detection, in particular to a non-contact electronic health detection system and measurement method. Background technique [0002] At present, the heart beat measurement technology based on electrocardiogram (ECG) requires a gel stick or a chest strap to be attached to the patient. These contacts may cause skin irritation or discomfort. The remote measurement can provide a more comfortable electrodeless physiological assessment. However, so far, almost all the design attempts of remote measurement systems are non-automated, and are susceptible to motion artifacts during use, resulting in low measurement accuracy. Summary of the invention [0003] Based on the above technical problems, the present invention proposes a non-contact automatic heart rate measurement system and measurement method. The system obtains color video of human faces remotely and non-contact, performs automatic face tracking and bli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0245
Inventor 欧阳健飞徐可欣
Owner TIANJIN DIANKANG TECH
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