Research Article

Effect of EOG Signal Filtering on the Removal of Ocular Artifacts and EEG-Based Brain-Computer Interface: A Comprehensive Study

Table 4

Mutual information scores (mean of all EEG channels and mean of all simulated subjects).

Low-pass EOG filter (Hz)SimpleAdaptive filteringHybrid methods
Regression
(mean ± SD)
LMS
(mean ± SD)
RLS
(mean ± SD)
REGICA
(mean ± SD)
AIR
(mean ± SD)

41.490.241.490.171.600.201.680.171.680.17
51.520.261.530.181.650.221.740.191.750.18
61.540.281.550.191.680.231.780.201.780.19
71.540.281.560.191.690.241.790.211.800.20
81.540.281.550.201.690.241.790.211.800.20
91.530.271.540.201.680.231.790.211.790.20
101.520.271.530.191.670.231.780.201.780.19
121.520.261.520.191.660.221.760.201.770.19
151.510.261.510.191.640.221.750.191.760.18
201.510.261.500.191.640.221.740.191.750.18
251.500.261.500.181.630.221.740.191.750.18
351.500.261.500.181.630.221.730.191.740.18
Unfiltered1.490.251.490.181.620.211.730.181.730.18