Fooling
A Fingerprint Scanner
Creating
an artificial finger
Fingerprint
recognition is based on the fact that every human being has a unique pattern of
ridges and valleys on their fingertips. The scanner makes a copy of your
fingerprint and compares its characteristics to the ones stored beforehand.
These characteristics are measured based on special points (such as branches
and loops) on a print. In figure 1.1 can be seen some of these special points.
The scanner uses these points as coordinates to define other branches, loops,
beginning of lines, number of lines etc.
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