Jinqing Qi Desiree Abdurrachim Dongju Li Hiroaki Kunieda A Hybrid Method for Fingerprint Image Quality Calculation. 124-129 2005 conf/autoid/2005 AutoID http://doi.ieeecomputersociety.org/10.1109/AUTOID.2005.3 db/conf/autoid/autoid2005.html#QiALK05