In fingerprint recognition, the goal is too able to detect the minutiae point and to reduce the false minutiae in the fingerprint image. In order to remove false minutia, there are a few process that need to be going through which are minutia marking and false minutia removal.
The procedures in removing false minutia are:
1. If the distance between one bifurcation and one termination is less than D and the
two minutiae are in the same ridge (ml case). Remove both of them. Where D is the average inter-ridge width representing the average distance between two parallel neighboring ridges.
2. If the distance between two bifurcations is less than D and they are in the same
ridge, remove the two bifurcations.
3. If two terminations are within a distance D and their directions are coincident with
a small angle variation. And they suffice the condition that no any other
termination is located between the two terminations. Then the two terminations are