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Epilepsy spine wave automatic detection and peak value positioning method

A technology of automatic detection and localization method, applied in the field of magnetoencephalography signal recognition, can solve the problem of inability to accurately locate the time point of spike waves, and achieve the effects of improving feature reuse, accurate prediction, and improving practicability

Active Publication Date: 2021-05-25
南京慧脑云计算有限公司
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AI Technical Summary

Problems solved by technology

However, the current existing algorithms can only be satisfied with detecting whether a spike is included in a fixed time segment, and cannot accurately locate the moment point with the highest spike energy, that is, the peak point of the spike

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  • Epilepsy spine wave automatic detection and peak value positioning method
  • Epilepsy spine wave automatic detection and peak value positioning method
  • Epilepsy spine wave automatic detection and peak value positioning method

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Embodiment Construction

[0032] Embodiments of the method of the present invention will be further described below in conjunction with the accompanying drawings.

[0033] Such as figure 1 As shown, it is a flow chart of automatic spike detection and peak location according to an embodiment of the present invention, which mainly includes the following steps.

[0034] Step 1: Data preprocessing.

[0035] This step preprocesses the input raw data of the magnetoencephalogram, filters the signal, removes artifacts, standardizes, and segments, so that the data can be better put into the deep learning network for training.

[0036] Such as figure 2Shown is the data preprocessing module, which performs the following preprocessing on the input magnetoencephalogram data, mainly including the following steps.

[0037] 1) Use 1-100Hz bandpass filter and 50Hz notch filter to remove low frequency, high frequency and power frequency noise on each channel.

[0038] 2) Use Independent Component Analysis (ICA) to ...

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Abstract

The invention discloses an epilepsy spine wave automatic detection and peak value positioning method. The method comprises the following steps: 1) splitting each magnetoencephalogram data into a plurality of data segments with the same size; 2) constructing a deep learning network model which comprises a single-channel coding module, a deep feature transmission module and a global decoding module, wherein the single-channel coding module is used for carrying out depth feature extraction on single-channel data in a data fragment to obtain a plurality of depth features of different sizes and sending the depth features to the depth feature transmission module for data dimension reduction, and the global coding module is used for carrying out convolution and up-sampling calculation on the depth features from the depth feature with the minimum size, and splicing the obtained depth features with the depth features with the correspondingly consistent size until the depth feature with the maximum size is processed; (3) training a deep learning network model by using each data segment, and (4) inputting magnetoencephalogram data to be processed into the trained deep learning network model to carry out ratchet wave detection and peak value positioning.

Description

technical field [0001] The invention belongs to the field of magnetoencephalogram signal recognition in the field of biometric feature recognition, and is specifically a method for automatic detection and peak location of epilepsy spikes based on deep learning, which can not only judge whether there are spikes in magnetoencephalogram data, but also determine The moment of the spike peak point helps clinicians reduce the workload and locate the epileptogenic focus more accurately. Background technique [0002] Epilepsy is a common neurological brain disease characterized by central nervous system dysfunction caused by excessive discharge of brain neurons. For the diagnosis and treatment of epilepsy, the key is to determine the brain area of ​​abnormal discharge, that is, the epileptogenic focus. Targeted drug suppression or surgical resection of the epileptogenic focus is an effective way to treat epilepsy. [0003] Magnetoencephalography (MEG) is a non-invasive technique f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/245
Inventor 汤俊贤廖攀许博岩
Owner 南京慧脑云计算有限公司
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