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Epilepsy interval electroencephalogram signal processing method and device, storage medium and equipment

A technology of EEG signals and processing methods, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve the problems of high time cost and high difficulty, and achieve the effects of avoiding human errors, overcoming poor applicability, and improving accuracy

Active Publication Date: 2020-08-21
灵犀医学科技(北京)有限公司
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Problems solved by technology

[0008] In order to solve the technical problem of high time cost and high difficulty in manually reading the EEG between epileptic periods, the purpose of the embodiments of the present invention is to provide a processing method, device, storage medium and equipment for EEG signals between epileptic periods

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  • Epilepsy interval electroencephalogram signal processing method and device, storage medium and equipment

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Embodiment Construction

[0066] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the present invention.

[0067] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indic...

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Abstract

The invention provides an epilepsy interval electroencephalogram signal processing method and a device, a storage medium and equipment, and the method comprises the steps: obtaining a target electroencephalogram signal; filtering the epilepsy interval electroencephalogram signal to a frequency band range corresponding to an abnormal waveform, and extracting an envelope line; determining sampling points corresponding to all sampling moments, and determining a signal threshold; taking the sampling time corresponding to the sampling point not less than the signal threshold as an abnormal time point, and determining a corresponding abnormal time period and an electrode position; and taking the interepileptic electroencephalogram signals corresponding to all abnormal time periods of the interepileptic electroencephalogram signals as abnormal signals. Through the technical scheme provided by the embodiment of the invention, the extraction efficiency of abnormal electroencephalogram signals is improved, human errors can be avoided, and the accuracy can be improved; and processing is carried out based on the interval electroencephalogram signals, so that the method has relatively good universality, and the defect of poor applicability of electroencephalogram evaluation in the attack stage can be overcome.

Description

technical field [0001] The present invention relates to the technical field of EEG signal processing, in particular, to a processing method, device, storage medium and equipment for EEG signals during epileptic periods. Background technique [0002] Epilepsy is one of the most common neurological diseases, and there are about 50 million epilepsy patients worldwide. So far, epilepsy in most patients cannot be cured, and the condition can only be controlled by long-term medication. [0003] EEG is a direct measurement of brain activity, and it is currently one of the most important detection methods for clinical neurologists to diagnose epilepsy. The EEG of epilepsy is divided into two states: seizure period and interval period. The seizure period refers to the performance of epileptic seizures, usually accompanied by limb convulsions, rigidity, loss of consciousness, etc.; Electrically recorded moments without seizures. Patients usually do not experience abnormal symptomat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0476A61B5/00
CPCA61B5/4094A61B5/7203A61B5/7225A61B5/7235A61B5/369
Inventor 闫宇翔
Owner 灵犀医学科技(北京)有限公司
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