This research project examines the performance of fingerprints of individuals in a particular dataset after more individuals of good and bad quality are added to the dataset. Does the performance of u
EMF, LSS, LTS, MT, MCC, LSC, GF, MCC + MTM, MTM + MTM are nine algorithms for global matching. D1, D2, D3 and D4 are four sub-databases of FVC2002. D1-E indicates the EER indicator for FVC2002 DB1. D1