Classification of Error-Diffused Halftone Images Based on Spectral Regression Kernel Discriminant Analysis

Table 6

Classification accuracy rates under different variances (%).

Variance	14000	15000	16000	17000	18000	19000	20000	21000	22000
0.01	95.570	95.422	95.425	95.529	95.217	98.440	98.200	98.033	97.950
0.10	95.370	95.233	95.188	95.157	94.867	98.200	98.000	97.767	98.000
0.50	94.580	94.522	94.600	94.671	94.567	98.320	98.225	98.033	98.550
1.00	93.060	93.067	93.013	93.343	93.200	96.980	97.175	96.800	97.350