Table 2.

Randomly generated various parameters with the noise data.

	First kind	Second kind	The third class
Mean μ	μ x 1=0	μ y 1=0μx2=6, μy2=2	μ x 3=6, μy3=−1
Standard deviation σ	σ i =1.5	σ 2=0.5, σl=2	σ 3=0.5