An ECG diagnosis and monitoring system for removing motion artifact interference and ECG feature detection

A technology for motion artifacts and monitoring systems, applied in diagnosis, diagnostic recording/measurement, medical science, etc., can solve the problems of ECG signal sample requirements, large amount of calculation, and low practicability, and achieve small amount of calculation and correct improvement Efficient, easy-to-achieve effects

Active Publication Date: 2021-11-09
王量弘
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AI Technical Summary

Problems solved by technology

Both the artificial neural network method and the template matching method need to identify and learn the existing ECG waveforms in advance. These two detection methods have high precision, but the calculation amount is large, the speed is slow, and the samples of ECG signals High requirements and low practicality

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  • An ECG diagnosis and monitoring system for removing motion artifact interference and ECG feature detection
  • An ECG diagnosis and monitoring system for removing motion artifact interference and ECG feature detection
  • An ECG diagnosis and monitoring system for removing motion artifact interference and ECG feature detection

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Embodiment Construction

[0055] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0056] It should be pointed out that the following detailed description is exemplary and is intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0057] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combina...

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Abstract

The invention relates to an electrocardiographic diagnosis and monitoring method and system for removing motion artifact interference and detecting electrocardiographic features. Motion artifacts in ECG signals. Afterwards, the filtered ECG signal is decomposed by lifting wavelet, and the wavelet at different levels is subjected to threshold denoising and moving average filtering to remove noise such as baseline drift and power frequency interference. According to the filtered wavelet coefficients and the ECG signal after median filtering, the zero-crossing detection method and the extreme point detection method are used to detect the R-wave position respectively, and the correct rate of R-wave detection is improved. Finally, the wavelet coefficients are reconstructed to obtain the filtered ECG signal. The invention can not only effectively remove various noises contained in electrocardiographic signals, but also effectively extract electrocardiographic features. And the calculation amount is small, and it is easy to implement on hardware.

Description

technical field [0001] The invention relates to the field of electrocardiographic signal processing, in particular to an electrocardiographic diagnosis and monitoring method and system for removing motion artifact interference and detecting electrocardiographic features. Background technique [0002] The heart is the power source of the human blood circulation system, and related diseases caused by the heart have become the most important factors that endanger human health. According to the survey of the World Health Organization, the death toll due to cardiovascular disease accounts for about 31% of the death toll due to disease worldwide. According to statistics, there are currently about 290 million cardiovascular disease patients in my country, and more than 3 million people die each year due to cardiovascular disease, accounting for more than 40% of the total number of deaths due to disease, far exceeding the global average. With the increasing pressure of life and wor...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/366A61B5/00
Inventor 王量弘白黎明黄宝震
Owner 王量弘
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