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Detecting Face Morphing Attacks by Analyzing the Directed Distances of Facial Landmarks Shifts

: Damer, Naser; Boller, Viola; Wainakh, Yaza; Boutros, Fadi; Terhörst, Philipp; Braun, Andreas; Kuijper, Arjan


Brox, Thomas (Ed.):
Pattern Recognition. 40th German Conference, GCPR 2018 : Stuttgart, Germany, October 9-12, 2018, Proceedings
Cham: Springer Nature, 2019 (Lecture Notes in Computer Science 11269)
ISBN: 978-3-030-12938-5 (Print)
ISBN: 978-3-030-12939-2 (Online)
German Conference on Pattern Recognition (GCPR) <40, 2018, Stuttgart>
Conference Paper
Fraunhofer IGD ()
Guiding Theme: Smart City; Guiding Theme: Visual Computing as a Service; Research Area: Computer vision (CV); Research Area: Human computer interaction (HCI); biometric; face recognition; spoofing attacks; CRISP

Face morphing attacks create face images that are verifiable to multiple identities. Associating such images to identity documents lead to building faulty identity links, causing attacks on operations like border crossing. Most of previously proposed morphing attack detection approaches directly classified features extracted from the investigated image. We discuss the operational opportunity of having a live face probe to support the morphing detection decision and propose a detection approach that take advantage of that. Our proposed solution considers the facial landmarks shifting patterns between reference and probe images. This is represented by the directed distances to avoid confusion with shifts caused by other variations. We validated our approach using a publicly available database, built on 549 identities. Our proposed detection concept is tested with three landmark detectors and proved to outperform the baseline concept based on handcrafted and transferable CNN features.