Here you can find implementations of fingerprint image quality algorithms following the specification and evaluation in Olsen, Martin Aastrup and Šmida, Vladimír and Busch, Christoph 'Finger image quality assessment features – definitions and evaluation' available online for free as an open access article via the IET Biometrics journal at http://digital-library.theiet.org/content/journals/10.1049/iet-bmt.2014.0055.

The source code for the fingerprint image quality assessment algorithms can be retrieved from https://share.nbl.nislab.no/martin/fingerimagequality.