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Heart impact artifact signal extraction device and method

A signal extraction and heart attack technology, applied in the field of biomedical signal processing, can solve the problems of not easy to carry, large size, etc., and achieve the effect of easy portability, small size, and convenient clinical application

Inactive Publication Date: 2016-08-03
CHONGQING UNIV
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Problems solved by technology

[0005] In order to obtain a clearer EEG signal, the cardiac shock artifact signal can be extracted first and then suppressed, but the traditional cardiac shock artifact signal extraction device usually uses a computer to extract and display the cardiac shock artifact signal, which is large in size and not easy to carry

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  • Heart impact artifact signal extraction device and method
  • Heart impact artifact signal extraction device and method
  • Heart impact artifact signal extraction device and method

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Embodiment Construction

[0035] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings;

[0036] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0037] Such as figure 1 As shown, the present invention provides a cardiac shock artifact signal extraction device, which is composed of a cardiac shock artifact signal extraction module 1 and a signal display module 2, and the electrocardiographic signal and the electroencephalogram signal collected synchronously by EEG-fMRI are respectively associated with the cardiac shock artifact signal. The first data input end of the trace signal extraction module 1 is connecte...

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Abstract

The invention discloses a heart impact artifact signal extraction device and method, and belongs to the technical field of biomedicine signal processing. The method includes the steps that electrocardiosignals and electroencephalogram signals synchronously collected by EEG-fMRI are transmitted to a heart impact artifact signal extraction module; the heart impact artifact signal extraction module processes the electroencephalogram signals with a fast ICA blind signal processing algorithm based on negentropy and a heart impact artifact signal extraction method with the electrocardiosignals as reference signals, and heart impact artifact signals are obtained through extraction; a signal display module is used for displaying the heart impact artifact signals in real time. The heart impact artifact signal extraction device has the advantages that a lead system is simple in design and convenient to obtain, and the heart impact artifact signal extraction device is capable of extracting the heart impact artifact signals in real time, facilitates clinical application, and is small in size and convenient to carry.

Description

technical field [0001] The invention relates to the technical field of biomedical signal processing, in particular to a cardiac shock artifact signal extraction device and a corresponding cardiac shock artifact signal extraction method. Background technique [0002] With the obvious rising trend of various brain diseases such as epilepsy, Alzheimer's disease, Parkinson's syndrome, etc., people's understanding of brain function is constantly deepened. The brain is rich in information, complex in structure, and powerful in function. It is the highest component of the central nervous system of the human body and controls people's thinking, language, and actions. Only with an in-depth understanding of these information can useful signals be extracted to solve current brain medical pathological problems. [0003] MantiniD in 2007 concluded that EEG signals recorded in MRI scanners are often contaminated by cardiac shock artifact signals. The cardiac shock artifact signal comes ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0476A61B5/0402A61B5/055
CPCA61B5/055A61B5/7203A61B5/7221A61B5/7225A61B5/7271A61B5/318A61B5/369
Inventor 蒲秀娟刘亚丽韩亮刘霞程婉琪
Owner CHONGQING UNIV
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