Test Suite Generation for Application Layer Protocols from Formal Specifications in Estelle. - Olaf Henniger; Behçet Sarikaya; Steve Biedlingmaier (Protocol Test Systems, 1993)

Specification and testing of the behavior of network management agents using SDL-92. - Olaf Henniger; Michel Barbeau; Behçet Sarikaya (IEEE/ACM Trans. Netw., 1996)

Testability with Unbounded Testing Strategies. - Bernd Baumgarten; Olaf Henniger (IWTCS, 1999)

Test Generation Based On Control And Data Dependencies Within Multi-Process SDL Specifications. - Olaf Henniger; Hasan Ural (SAM, 2000)

Automatic Generation of Test Purposes for Testing Distributed Systems. - Olaf Henniger; Miao Lu; Hasan Ural (FATES, 2003)

Biometrische Benutzerauthentisierung auf Smartcards mittels handschriftlicher Unterschriften. - Olaf Henniger; Katrin Franke (GI Jahrestagung (Schwerpunkt "Sicherheit - Schutz und Zuverlässigkeit"), 2003)

Testgenerierung aus Spezifikationen in Estelle und SDL. - Olaf Henniger (Shaker, 2003)

Biometric User Authentication on Smart Cards by Means of Handwritten Signatures. - Olaf Henniger; Katrin Franke (ICBA, 2004)

Improving the Binding of Electronic Signatures to the Signer by Biometric Authentication. - Olaf Henniger; Björn Schneider; Bruno Struif; Ulrich Waldmann (ICB, 2006)

Minutiae template conformance and interoperability issues. - Olaf Henniger; Dirk Scheuermann (BIOSIG, 2007)

Evaluating the Biometric Sample Quality of Handwritten Signatures. - Sascha Müller 003; Olaf Henniger (ICB, 2007)

OpenPGP-Karten mit biometrischer Benutzerauthentisierung. - Jan Trukenmüller; Olaf Henniger (Sicherheit, 2008)

Supplemental Biometric User Authentication for Digital-Signature Smart Cards. - Olaf Henniger; Ulrich Waldmann (BIOSIG, 2009)

Handwritten Signature On-Card Matching Performance Testing. - Olaf Henniger; Sascha Müller 003 (COST 2101/2102 Conference, 2009)

Signature Recognition. - Olaf Henniger; Daigo Muramatsu; Takashi Matsumoto 001; Isao Yoshimura; Mitsu Yoshimura (Encyclopedia of Biometrics, 2009)

On biometric key generation from handwritten signatures. - Dirk Scheuermann; Bastian Wolfgruber; Olaf Henniger (BIOSIG, 2011)

Secure Automotive On-Board Protocols: A Case of Over-the-Air Firmware Updates. - Muhammad Sabir Idrees; Hendrik Schweppe; Yves Roudier; Marko Wolf; Dirk Scheuermann; Olaf Henniger (Nets4Cars/Nets4Trains, 2011)

Assessment of the quality of handwritten signatures based on multiple correlations. - Richard M. Guest; Olaf Henniger (ICB, 2013)

Extending EMV Payment Smart Cards with Biometric On-Card Verification. - Olaf Henniger; Dimitar Nikolov (IDMAN, 2013)

Privacy Protection of Biometric Templates. - Moazzam Butt; Olaf Henniger; Alexander Nouak; Arjan Kuijper (HCI (26), 2014)

Assessment of methods for image recreation from signature time-series data. - Richard Matthew Guest; Oscar Miguel-Hurtado; Olaf Henniger (IET Biom., 2014)

Signature/Sign Time Series Data Interchange Formats, Standardization. - Olaf Henniger; Richard M. Guest; Oscar Miguel-Hurtado; Christiane Kaplan (Encyclopedia of Biometrics, 2015)

Signature Recognition, Overview. - Olaf Henniger; Daigo Muramatsu; Takashi Matsumoto 001; Isao Yoshimura; Mitsu Yoshimura (Encyclopedia of Biometrics, 2015)

Opportunities for Biometric Technologies in Smart Environments. - Olaf Henniger; Naser Damer; Andreas Braun 001 (AmI, 2017)

Deep Learning-based Face Recognition and the Robustness to Perspective Distortion. - Naser Damer; Yaza Wainakh; Olaf Henniger; Christian Croll; Benoit Berthe; Andreas Braun 001; Arjan Kuijper (ICPR, 2018)

On the assessment of face image quality based on handcrafted features. - Olaf Henniger; Biying Fu; Cong Chen 011 (BIOSIG, 2020)

Fingerprints, forever young? - Roman Kessler; Olaf Henniger; Christoph Busch 001 (ICPR, 2020)

Neue Normen für biometrische Datenaustauschformate. - Olaf Henniger (Datenschutz und Datensicherheit, 2020)

The relative contributions of facial parts qualities to the face image utility. - Biying Fu; Cong Chen 011; Olaf Henniger; Naser Damer (BIOSIG, 2021)

Utility-based performance evaluation of biometric sample quality assessment algorithms. - Olaf Henniger; Biying Fu; Cong Chen 011 (BIOSIG, 2022)

A Deep Insight into Measuring Face Image Utility with General and Face-specific Image Quality Metrics. - Biying Fu; Cong Chen 011; Olaf Henniger; Naser Damer (WACV, 2022)

A response to the European Data Protection Supervisor 'Misunderstandings in Biometrics' by the European Association for Biometrics. - Christoph Busch 001; Adam Czajka; Farzin Deravi; Pawel Drozdowski; Marta Gomez-Barrero; Georg Hasse; Olaf Henniger; Els Kindt; Jascha Kolberg; Alexander Nouak; Kiran B. Raja; Raghavendra Ramachandra; et al. (IET Biom., 2022)

Face Image Quality Assessment: A Literature Survey. - Torsten Schlett; Christian Rathgeb; Olaf Henniger; Javier Galbally; Julian Fiérrez; Christoph Busch 001 (ACM Comput. Surv., 2022)

Utility Prediction Performance of Finger Image Quality Assessment Software. - Olaf Henniger (BIOSIG, 2023)

Utility-based performance evaluation of biometric sample quality measures. - Olaf Henniger; Biying Fu; Alexander Kurz 005 (EURASIP J. Image Video Process., 2024)

Occlusion Detection for Face Image Quality Assessment. - Jacob Carnap; Alexander Kurz 005; Olaf Henniger; Arjan Kuijper (ICPRAM, 2025)

Fingermark Image Quality Assessment with Random-Forest Classifier. - Yasser Hmouda; Olaf Henniger; Arjan Kuijper (IWBF, 2025)