Palm Print Edge Extraction Using Fractional Differential Algorithm

Table 4

PSNR of edge information extracted by different order differential.

Number of iter.	Method
	Sob	Lap	Fractional order
			0.6	0.4	0.2	0.1
1	22.55	22.40	23.15	23.36	23.55	22.74
2	23.7	23.81	24.47	24.56	24.63	24.15