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Epilepsy prediction system and method based on electrical impedance imaging and EEG signals

A technology of electrical impedance imaging and prediction system, applied in the medical field, can solve the problems of low measurement efficiency, single real-time monitoring data, lack of technical means for brain electrical impedance imaging and EEG signals, etc., and achieve high temporal and spatial resolution monitoring, accurate predicted effect

Active Publication Date: 2021-06-15
深圳市丰盛生物科技有限公司
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Problems solved by technology

[0005] In view of the above problems, the purpose of the present invention is to solve the problems of low measurement efficiency of current epilepsy detection methods, single real-time monitoring data, and the lack of technical means for brain electrical impedance imaging and EEG signals to be applied to epilepsy prediction, so as to realize the use of electrical impedance Imaging and EEG signals on seizure probability and possible distribution of onset sites

Method used

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  • Epilepsy prediction system and method based on electrical impedance imaging and EEG signals
  • Epilepsy prediction system and method based on electrical impedance imaging and EEG signals
  • Epilepsy prediction system and method based on electrical impedance imaging and EEG signals

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Embodiment 1

[0091] A, the EEG frequency-domain feature training unit 6 inputs the EEG frequency-domain feature into a convolutional neural network for training to generate a full-connected layer of EEG frequency-domain features, and the specific process is as follows:

[0092] For the first convolution, the input size is 4097×1, and the input layer is convolved with 5 convolution kernels with a size of 8×1, the moving step is 1, and the output size is 4090×1;

[0093] For the first pooling, the maximum pooling with a size of 2×2 is adopted, and the output size is 2045×1;

[0094] For the second convolution, the input size is 2045×1, and the input layer is convolved with 5 convolution kernels with a size of 6×1, the moving step is 1, and the output size is 2040×1;

[0095] For the second pooling, the maximum pooling with a size of 2×2 is adopted, and the output size is 1020×1;

[0096] For the third convolution, the input size is 1020×1, and the input layer is convolved with 10 convolutio...

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Abstract

The invention discloses an epilepsy prediction system and method based on electrical impedance imaging and electroencephalogram signals, including: an acquisition module, a deep feature generation module, a shallow feature generation module, a classification module, and a prediction module. The system can collect three-dimensional images of brain function and time-frequency characteristics of EEG signals in real time, realize high-spatial-temporal resolution monitoring of EEG signal changes, and integrate EEG signal features and three-dimensional functional imaging features. Classification training, real-time, fast, and portable output time period category and time domain waveform category, can predict epilepsy more accurately.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to an epilepsy prediction system and method based on electrical impedance imaging and electroencephalogram signals. Background technique [0002] Epilepsy is a common disease of the brain and nervous system. It originates from abnormal discharge of brain neurons and leads to transient brain dysfunction. At present, the clinical prediction of epilepsy mainly depends on the doctor's visual observation of the EEG, and its detection efficiency is low. , the judgment basis information is not rich enough. The electrode array of non-invasive scalp electroencephalography (EEG) is located on the surface of the scalp, which can collect electrical signal information of the brain with high temporal resolution, but the effect of real-time acquisition of high spatial resolution signal is poor, and it fails to detect the abnormal electrical signal physiologically. Bioelectrical impedance tomogra...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/62G06N3/04G06N3/08G06F17/14A61B5/369A61B5/374
CPCG06N3/08G06F17/142A61B5/4094A61B5/7282A61B5/7267G06N3/045G06F18/2414G06F18/253
Inventor 陈世雄黄为民朱明星黄保发方贤权黄俊李永秀王程
Owner 深圳市丰盛生物科技有限公司
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