Left and right index finger continuous motor imagery recognition system based on actual motion modeling

A technology of motor imagery and recognition system, applied in character and pattern recognition, medical science, instruments, etc., can solve the problem of whether the user's motor imagery is correct or cannot be judged and evaluated, and achieve considerable social and economic benefits, improve brain- The effect of the machine interface system
CN108523883AInactive Publication Date: 2018-09-14TIANJIN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TIANJIN UNIV
Publication Date
2018-09-14
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a left and right index finger continuous motor imagery recognition system based on actual motion modeling. The left and right index finger continuous motor imagery recognitionsystem based on actual motion modeling comprises the following steps: performing a left and right index finger continuous keystroke: autonomously performing the left or right index finger continuous keystroke by a user according to a left or right arrow displayed on a computer screen; acquiring electroencephalogram signal data generated by the user when the keystroke is performed, reading electroencephalogram signals and processing and analyzing the data to obtain a classification result; by the characteristic which can achieve relatively high classification accuracy, establishing a classification model for recognizing a continuous imagery keystroke so as to evaluate the method and the ability of motor imagery of the user, wherein a training method and an evaluation criteria are provided for a motor imagery task. The classification performance of imaginary actions is observed by a motion intent recognition model established by real actions; through further research, a more complete brain-computer interface system can be obtained, so that considerable social and economic benefit can be expected to be obtained.
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Description

technical field

[0001] The invention relates to the field of motion imagery recognition, in particular to a system for continuous motion imagery recognition of left and right index fingers based on actual action modeling. Background technique

[0002] Brain-Computer Interface (BCI) is a communication control system that does not depend on the normal output channels of peripheral nerves and muscles of the brain, and realizes the purpose of directly controlling the external environment by the human brain. This definition was given by the First International Conference on Brain-Computer Interface. The BCI system can output the user's command consciousness by judging the activity pattern of the brain. Most of the most commonly used BCI systems so far are based on EEG signals. figure 1 It is a schematic diagram of a complete BCI system, which consists of three parts: signal acquisition, signal processing, and external output devices. The EEG information containing the user's c...

Claims

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