Table 2 Classification performance of the proposed method

Bi-LSTM

0.819

0.885

0.752

0.867

DBN

0.722

0.734

0.710

0.728

PSR-CNN

0.917

0.898

0.935

0.902

FF-CNN

0.929

0.906

0.953

0.910

FF-CNN-SAM

0.930

0.911

0.949

0.914

FF-CNN-CBAM

0.947

0.935

0.959

0.937