How to calculate the Euclidean distance between two fingerprint images?

my topic is fingerprint recognition by using euclidean distance... but stuck on a problem of how to calculate the euclidean distance in two fingerprint image using in matlab. so plz help me if anyone have an idea about this topic.

Answer 1

[Sean de Wolski]

doc bwdist
doc hypot

Answer 2

[Jack Sparrow]

I think euclidean distance formula is:

d(H1,H2) = sqrt((H1(i) - H2(i))^2)

H1 = probe set

H2 = gallery set