[fprint] fprint_demo, check fingerprint

[Gerard Klaver]

Hello,

Just did some test with fprint_demo version 0.04.
Device Medion fingerprint AES2501 device

Question that i have is how much counted minutiae gives a correct
fingerprint identify?
Did some test but no matching yet.

Wishlist:
To have in the verify window a side by side view of the enrolled
fingerprint and the verifyed fingerprint so an easier check can be done
if the same manner of moving of finger is done?

Version number of fprint_demo in menu

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m.vr.gr.
Gerard Klaver