Popovic, B. M., M. V. Bandjur, and A. M. Raicevic. “Robust Fingerprint Enhancement by Directional Filtering in Fourier Domain”. Elektronika ir Elektrotechnika 107, no. 1 (January 4, 2011): 37-40. Accessed October 14, 2024. https://eejournal.ktu.lt/index.php/elt/article/view/9170.