set1/image00b

Method	Time (sec)	F-measure %	PSNR (dB)	NRM (10^-2)	IND
Otsu	0.00625	38.650	9.531	23.875	0.200
Chang	0.02844	79.442	27.277	3.903	0.657
Niblack	1.04060	62.828	18.975	8.607	0.458
Sauvola	1.04700	61.575	26.526	27.742	0.443
Bernsen	0.93120	64.953	20.656	10.404	0.426
Rahul	1.72500	94.355	42.300	2.571	0.888
Gatos	3.95300	81.586	29.803	7.724	0.642
Kim	10.62500	89.441	35.179	2.087	0.806
Valizadeh	3.82800	82.701	29.426	3.270	0.702