Wavelet-Based Semblance Methods to Enhance the Single-Trial Detection of Event-Related Potentials for a BCI Spelling System

Table 5

Letter accuracy comparison using the average of trials for xDAWN and METS & SEWS algorithms. The parameters used for METS & SEWS algorithms are the same as in Table 4.

No. of repetitions	1	2	3	4	5
xDAWN	51.03	67.26	72.36	75.81	82.28
METS & SEWS-1	56.00	67.07	72.97	73.10	77.57
METS & SEWS-2	55.91	68.31	73.40	75.28	78.09

The best results are highlighted in bold.