Scherhag, Ulrich, Daniel Fischer, Sergey Isadskiy, Jonas Otte, and Christoph Busch. 2021. “Morphing Attack Detection Using Laplace Operator Based Features”. Norsk IKT-Konferanse for Forskning Og Utdanning, no. 3 (March). https://www.ntnu.no/ojs/index.php/nikt/article/view/5552.