Robust Authentication System with Privacy Preservation of Biometrics

Table 7

Space complexity for no. of traits.

Traits	No. of traits used	Original size	Size in the database
Fingerprint, iris	2	2 ∗ 512 X 512	8 X 8
Fingerprint, palm print, iris	3	3 ∗ 512 X 512	8 X 8
Two different fingerprints, palm print, iris	4	4 ∗ 512 X 512	8 X 8
Fingerprint, palm print, iris, face	5	5 ∗ 512 X 512	8 X 8
“n” no. of traits	n	n ∗ 512 X 512	8 X 8