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Electrocardiosignal characteristic region detection method applied to wearable equipment

A wearable device and ECG signal technology, applied in the field of signal processing and physiological electrical signal processing, can solve the problems of inconvenient implementation of portable devices and large amount of computation, and achieve reduced computing overhead, small amount of computation, and stable frequency The effect of interference filtering

Inactive Publication Date: 2018-11-27
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Generally speaking, this type of method has a relatively large amount of computation, and it is not easy to implement on portable devices.

Method used

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  • Electrocardiosignal characteristic region detection method applied to wearable equipment
  • Electrocardiosignal characteristic region detection method applied to wearable equipment

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the present disclosure clearer, the present disclosure will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0033] It should be noted that, in the drawings or descriptions of the specification, similar or identical parts all use the same figure numbers. Implementations not shown or described in the accompanying drawings are forms known to those of ordinary skill in the art. Additionally, while illustrations of parameters including particular values ​​may be provided herein, it should be understood that the parameters need not be exactly equal to the corresponding values, but rather may approximate the corresponding values ​​within acceptable error margins or design constraints. The directional terms mentioned in the embodiments, such as "upper", "lower", "front", "rear", "left", "right", etc., are only referring to the dire...

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Abstract

The invention provides an electrocardiosignal characteristic region detection method applied to wearable equipment. The electrocardiosignal characteristic region detection method applied to the wearable equipment comprises the steps that the wavelet decomposition coefficient WT(n) of an input electrocardiosignal is calculated; the wavelet decomposition coefficient WT(n) is processed by using an empirical mode decomposition method for determining a single-component sequence I(t) comprising energy distribution information in the electrocardiosignal; the single-component sequence I(t) is subjected to envelope demodulation through Hilbert transform, and distribution information of an electrocardiosignal characteristic region is obtained through detection. The electrocardiosignal characteristicregion detection method applied to the wearable equipment is low in complexity and high in accuracy, integration of signal denoising and characteristic extraction is realized, and the processing costis reduced.

Description

technical field [0001] The present disclosure relates to the field of signal processing, more specifically to the technical field of physiological electrical signal processing, and in particular to a method for detecting characteristic regions of ECG signals applied to wearable devices, which is a method suitable for implementation by wearable portable systems. A detection method with low complexity and high accuracy. Background technique [0002] The electrocardiogram signal, hereinafter referred to as the ECG signal, is generated by the superposition of the electrical activity of the myocardium during the physiological activity of the heart. In daily monitoring scenarios, ECG collection devices based on chest wall dual-lead and single-lead acquisition methods, which have the advantages of small size and no external leads, have been more and more widely used, and their processing circuits are often convenient. The advantages of integration, and such acquisition nodes often...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0402
CPCA61B5/316A61B5/318
Inventor 陈弘达庞博刘鸣
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI