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A Noise Reduction Method for ECG Signal Based on Heterogeneous Computing

An electrocardiographic signal and electrical signal technology, which is applied in the field of electrocardiographic signal noise reduction based on heterogeneous computing, and can solve the problems of error components and modal can not really meet the definition of modal.

Active Publication Date: 2021-11-30
NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
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Problems solved by technology

[0015] CEEMD can suppress the reconstruction residual and eliminate the residual noise in the mode, but when the parameters are not selected properly, it will produce error components and the final obtained mode cannot really meet the definition of the mode.
[0016] CEEMDAN overcomes the problem that the mode finally obtained by CEEMD cannot really satisfy the definition of the mode

Method used

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  • A Noise Reduction Method for ECG Signal Based on Heterogeneous Computing
  • A Noise Reduction Method for ECG Signal Based on Heterogeneous Computing
  • A Noise Reduction Method for ECG Signal Based on Heterogeneous Computing

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Embodiment Construction

[0042] The invention will be further described below with reference to the accompanying drawings and in combination with specific embodiments, so that those skilled in the art can implement it by referring to the description, and the protection scope of the present invention is not limited to the specific embodiments.

[0043] The invention relates to a method for reducing noise of electrocardiographic signals based on heterogeneous computing. The core content of the method includes: an overall parallel scheme, thread synchronization point design, data structure definition, and noise data preprocessing. Specifically:

[0044] 1. Data structure definition:

[0045]a. Since OpenCL programming supports many processes, CEEMDAN based on heterogeneous computing can process the ECG data of multiple patients at the same time, so the input data is multi-dimensional, one dimension distinguishes different patients, and one dimension distinguishes the same patient’s For different leads, ...

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Abstract

The present invention relates to a method for noise reduction of ECG signals based on heterogeneous computing, comprising: inputting ECG signal data of several patients; decomposing each ECG signal through CEEMDAN, and each ECG signal will be obtained after decomposition A set of modalities, different ECG signal decomposition processes are performed in parallel; judge whether the obtained modalities are pure modalities; linearly add the obtained pure modalities, and finally obtain pure signals. This method is based on heterogeneous computing. With CEEMDAN, it has a certain adaptive ability, can reduce time overhead, and has a fast calculation rate and high denoising efficiency.

Description

technical field [0001] The invention relates to the technical field of electrocardiographic signal noise reduction, in particular to a heterogeneous computing-based electrocardiographic signal noise reduction method. Background technique [0002] Electrocardiogram examination is one of the most commonly used electrophysiological examination methods in clinical practice. It is of great significance for the diagnosis of cardiovascular diseases such as arrhythmia, myocardial ischemia, and myocardial hypertrophy. At the same time, due to its simplicity, convenience, and non-invasive characteristics, it has also been widely used in clinical practice, especially for the diagnosis and analysis of arrhythmia, which has extremely important and irreplaceable value. [0003] The computer processing and analysis technology of electrocardiogram has been developed for decades. The main purpose of this technology is to automatically analyze and process the electrocardiogram data of the hum...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/318A61B5/366A61B5/353A61B5/355
Inventor 陈根浪陈荣钦
Owner NINGBO INST OF TECH ZHEJIANG UNIV ZHEJIANG
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