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A real-time detection method and system for state changes of EEG signals

A technology for real-time detection of EEG signals, applied in diagnostic recording/measurement, medical science, diagnosis, etc., can solve problems such as long detection time, low detection accuracy, and inability to achieve real-time detection, so as to improve accuracy and improve accuracy and efficiency

Inactive Publication Date: 2019-05-21
SHANDONG UNIV
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  • Claims
  • Application Information

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Problems solved by technology

However, in the current clinical diagnosis, the detection of changes in the state of EEG signals mostly relies on experienced physicians to observe EEG with human eyes.
Due to the huge amount of EEG data, it is often a boring and time-consuming task to check the abnormal occurrence of EEG signals with human eyes for a long time. This may easily lead to limitations such as low detection accuracy and long detection time, and it is impossible to achieve real-time detection during the monitoring process. requirements

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  • A real-time detection method and system for state changes of EEG signals
  • A real-time detection method and system for state changes of EEG signals
  • A real-time detection method and system for state changes of EEG signals

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[0053] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0054] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0055] figure 1 It is a flow chart of a real-time detection method for EEG signal state changes of the present ...

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Abstract

The invention discloses a real-time detection method and system for electroencephalogram state changes. The method comprises the steps of extracting an electroencephalogram feature value; by means of an autoregression model, modeling the extracted electroencephalogram feature value, and calculating the electroencephalogram time sequence abnormal degree through residual analysis; on the basis of random exponential martingale, performing statistical testing on the electroencephalogram time sequence abnormal degree, and then determining the moment when the electroencephalogram state changes.

Description

technical field [0001] The invention belongs to the field of electroencephalogram signal detection, and in particular relates to a real-time detection method and system for state changes of electroencephalogram signals. Background technique [0002] EEG signals can provide a large amount of accurate and effective physiological and psychological information for clinical diagnosis. Real-time monitoring of EEG signals can obtain the brain function activity status of the observed object online, which has been widely used in clinical diagnosis and commercial applications. [0003] During the monitoring process, real-time detection of changes in the state of EEG signals can detect changes in the state of human brain function and activity in real time, and can assist in the diagnosis of epilepsy and other mental diseases. However, in the current clinical diagnosis, the detection of EEG signal state changes mostly relies on experienced physicians to observe EEG with human eyes. Due...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/0476A61B5/04
CPCA61B5/7264A61B5/316A61B5/369
Inventor 卢国梁高桢闫鹏
Owner SHANDONG UNIV