Multi-biometric Fusion for Driver Authentication on the Example of Speech and Face. - Tobias Scheidat; Michael Biermann; Jana Dittmann; Claus Vielhauer; Karl Kümmel (COST 2101/2102 Conference, 2009)

Handwriting Biometric Hash Attack: A Genetic Algorithm with User Interaction for Raw Data Reconstruction. - Karl Kümmel; Claus Vielhauer; Tobias Scheidat; Dirk Franke; Jana Dittmann (Communications and Multimedia Security, 2010)

Reverse-engineer methods on a biometric hash algorithm for dynamic handwriting. - Karl Kümmel; Claus Vielhauer (MM&Sec, 2010)

Biometric Hash Algorithm for Dynamic Handwriting Embedded on a Java Card. - Karl Kümmel; Claus Vielhauer (BIOID, 2011)

Feature Selection by User Specific Feature Mask on a Biometric Hash Algorithm for Dynamic Handwriting. - Karl Kümmel; Tobias Scheidat; Christian Arndt; Claus Vielhauer (Communications and Multimedia Security, 2011)

Feature Selection on Handwriting Biometrics: Security Aspects of Artificial Forgeries. - Karl Kümmel; Tobias Scheidat; Claus Vielhauer; Jana Dittmann (Communications and Multimedia Security, 2012)

Short Term Template Aging Effects on Biometric Dynamic Handwriting Authentication Performance. - Tobias Scheidat; Karl Kümmel; Claus Vielhauer (Communications and Multimedia Security, 2012)

Security of Features Describing the Visual Appearance of Handwriting Samples Using the Bio-hash Algorithm of Vielhauer against an Evolutionary Algorithm Attack. - Andreas Hasselberg; René Zimmermann; Christian Kraetzer; Tobias Scheidat; Claus Vielhauer; Karl Kümmel (Communications and Multimedia Security, 2013)

Sicherheit biometrischer Systeme: Analyse der Sicherheit und Rückführbarkeit eines biometrischen Hash Algorithmus für die dynamische Handschrift. - Karl Kümmel (2021)