Wavelet Packet Transform Based Driver Distraction Level Classification Using EEG

Table 1

ANOVA test of centroid and PSD features over db4, db8, sym8, and coif5 for each distraction level.

	Neutral	Low	Medium	High	𝑃
db4
Centroid	5.3±50.8	15.5±217.8	10.1±239.8	9.3±286.4	<0.001
PSD	0.41±7.5	1.12±18.8	0.013±0.0007	0.019±0.0039	<0.001
db8
Centroid	1.29±5.12	9.19±113.9	4.6±64.3	4.15±53.8	<0.001
PSD	0.0008±5.4𝐸−06	6.78±213.9	0.005±0.0001	0.005±0.0002	<0.001
sym8
Centroid	1.26±3.27	5.6±49.6	5.4±78.7	4.2±61.7	<0.001
PSD	0.0008±4.46𝐸−06	2.3±60.5	0.004±8.6𝐸−5	0.005±0.0002	<0.001
coif5
Centroid	2.02±5.19	15.6±395.4	10.7±372.7	7.66±199.9	<0.001
PSD	0.002±0.00003	0.03±0.003	0.048±0.024	0.04±0.02	<0.001