Stroke hand rehabilitation training method, device and system
A technology for rehabilitation training and stroke, which is applied in the field of stroke rehabilitation, can solve problems such as the inability to judge motion intentions, and achieve the effect of convenient construction and easy identification
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Embodiment 1
[0040] figure 1 It is a flow chart of the stroke hand rehabilitation training method provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation where the EEG signals of forty electrodes are used to distinguish action signals to guide rehabilitation. This method can be used by stroke hands Rehabilitation training device to perform, specifically includes the following steps:
[0041] S110, acquiring EEG signals of the forty electrodes.
[0042] Exemplarily, a high-precision 40-lead EEG acquisition device can be used to acquire EEG signals of forty electrodes. figure 2 For a schematic structural diagram of a high-precision 40-lead EEG acquisition device in the stroke hand rehabilitation training method provided by Embodiment 1 of the present invention, see figure 2 , the high-precision 40-lead EEG acquisition equipment includes: brain electrode caps and adapter wires connected in sequence for collecting EEG EEG signals, and high-precisio...
Embodiment 2
[0075] Figure 5 It is a schematic flowchart of the hand rehabilitation training method for stroke provided by Embodiment 2 of the present invention. This embodiment is optimized on the basis of the above embodiments. In this embodiment, the method can also add the following steps: using the color EEG signal image and the corresponding motion label to construct the motion signal convolutional neural network model .
[0076] Correspondingly, the stroke hand rehabilitation training method provided in this embodiment specifically includes:
[0077] S210. Construct the motion signal convolutional neural network model by using the color EEG signal image and the corresponding motion label.
[0078]Since the EEG signals of each patient vary greatly, it is not suitable for a motion signal convolutional neural network model to discriminate all patients. If it is adopted, large errors will occur, which will affect the effect of rehabilitation training. Therefore, in this embodiment,...
Embodiment 3
[0117] Figure 10 The schematic structural diagram of the stroke hand rehabilitation training device provided by Embodiment 3 of the present invention, as shown in Figure 10 As shown, the device includes:
[0118] An acquisition module 310, configured to acquire EEG signals of forty electrodes;
[0119] Lifting module 320, for performing fast Fourier transform on the EEG electroencephalogram signal, and then extracting respectively theta, alpha, and beta frequency bands in the EEG spectrum as EEG features;
[0120] A projection module 330, configured to project the positions of the 40-lead electrodes from a 3-dimensional space to a 2-dimensional plane;
[0121] The matching module 340 is used to normalize the spectral power value corresponding to each electrode, and match with the electrode position to obtain a discrete image, and obtain two-dimensional grayscales of the three frequency bands of θ, α, and β based on the discrete image. EEG signal image;
[0122] The conve...
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