Optimized Periocular Template Selection for Human Recognition

Table 6

Change of 𝑑^′ index with change of cropping of periocular region.

Width of periocular region (𝑤)	100	150	200	250	300	350	400
Value of 𝑑^′ index (for UBIRISv2 dataset)	1.23	1.60	2.05	2.34	2.61	2.72	2.85
Value of 𝑑^′ index (for FERET dataset)	1.19	1.55	2.01	2.29	2.53	2.66	2.69