Table 2.

Specificity (%) versus the number of conditions

Method\the number of stimuli (s)	1	2	3	4	5
Proposed method (λ = 1)	42.49	54.19	56.60	58.32	58.59
Proposed method (λ = 2)	61.75	69.83	72.94	73.45	74.56
Proposed method (λ = 4)	85.69	87.68	89.02	88.84	88.98
K-means + DBN	96.98	89.21	87.02	86.45	86.76