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A method and system for selecting an optimal lead set

A lead and excellent lead technology, applied in the field of cognitive neuroscience, to reduce the number of leads, improve practicability, and improve accuracy

Active Publication Date: 2020-06-09
TONGJI UNIV
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  • Abstract
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Problems solved by technology

[0005] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a method and system for selecting an optimal lead set, which is used to solve the problem that the prior art cannot obtain the optimal lead set without losing the accuracy of the brain-computer interface. Lead Set Problems Facilitating Identification of EEG Signals

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  • A method and system for selecting an optimal lead set
  • A method and system for selecting an optimal lead set
  • A method and system for selecting an optimal lead set

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Embodiment Construction

[0034] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0035] It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and number of componen...

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Abstract

The present invention provides a method and system for selecting an optimal lead set. By calculating the signal stability parameters of each lead and the correlation tightness parameters between each lead and other leads, the weights of each lead are obtained. And each lead is arranged according to the priority of the weight value from large to small, and multiple leads with priority greater than the preset level are selected to form the optimal lead set. The present invention can effectively select the optimal lead and reduce the collection The number of leads improves the practicability of the brain-computer interface system, and in the case of reducing the number of leads, the accuracy of EEG signal classification is improved, so that the accuracy of EEG signal classification is improved.

Description

technical field [0001] The invention relates to the fields of cognitive neuroscience and information technology, in particular to a method and system for selecting an optimal lead set. Background technique [0002] Brain Computer Interface (BCI) provides a new type of human-computer interaction method that uses brain signals to control external devices. Because it can communicate with the outside world without relying on traditional nerve-muscle channels, it can help Patients with limb muscle damage but sound brains can express their thoughts to the outside world and improve their quality of life. Therefore, in recent years, it has become a research hotspot in the fields of artificial intelligence and rehabilitation engineering, and has attracted extensive attention from relevant scholars. [0003] The brain-computer interface system based on Steady State Visual Envoked Potentials (SSVEP) converts the subject's electroencephalogram (EEG) into control commands to control the ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
CPCG06F2218/02G06F2218/12
Inventor 蒋昌俊闫春钢张亚英曹磊张瑾
Owner TONGJI UNIV
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