Multiclass Classification of Imagined Speech Vowels and Words of Electroencephalography Signals Using Deep Learning

Table 2

Classification accuracy of distinct experiments.

Experiment number	Signal processing	DL model	Overall accuracy (%)
1	ICA	TCN	72.29
2	DWT	TCN	81.48
3	ICA + DWT	TCN	82.37
4	ICA	TCN + CNN	94.35
5	ICA + DWT	TCN + CNN	95.63
6	DWT	TCN + CNN	96.49