Fast Function Approximation with Hierarchical Neural Networks and Their Application to a Reinforcement Learning Agent. - Joern Fischer; Ralph Breithaupt; Mathias Bode (IWANN (1), 2001)

Adaptive and economic data representation in control architectures of autonomous real-world robots. - Joern Fischer; Ralph Breithaupt; Mathias Bode (Artif. Life Robotics, 2002)

The MACS Project: An Approach to Affordance-Inspired Robot Control. - Erich Rome; Lucas Paletta; Erol Sahin; Georg Dorffner; Joachim Hertzberg; Ralph Breithaupt; Gerald Fritz; Jörg Irran; Florian Kintzler; Christopher Lörken; Stefan May; Emre Ugur (Towards Affordance-Based Robot Control, 2006)

Learning Predictive Features in Affordance based Robotic Perception Systems. - Gerald Fritz; Lucas Paletta; Ralph Breithaupt; Erich Rome; Georg Dorffner (IROS, 2006)

Visual Learning of Affordance Based Cues. - Gerald Fritz; Lucas Paletta; Manish Kumar; Georg Dorffner; Ralph Breithaupt; Erich Rome (SAB, 2006)

GPU-accelerated affordance cueing based on visual attention. - Stefan May; Maria Klodt; Erich Rome; Ralph Breithaupt (IROS, 2007)

"On-Card" User Authentication for Contactless Smart Cards based on Gesture Recognition. - Markus Ullmann; Ralph Breithaupt; Frank Gehring (Sicherheit, 2012)

Volumetric Fingerprint Data Analysis using Optical Coherence Tomography. - Ctirad Sousedik; Ralph Breithaupt; Christoph Busch 001 (BIOSIG, 2013)

Full fingerprint scanner using optical coherence tomography. - Ralph Breithaupt; Ctirad Sousedik; Sven Meissner (IWBF, 2015)

An Arbiter PUF Secured by Remote Random Reconfigurations of an FPGA. - Alexander Spenke; Ralph Breithaupt; Rainer Plaga (TRUST, 2016)

On the Influence of the Coupling Strength among Chua's Circuits on the Structure of Their Hyper-Chaotic Attractors. - Sven Freud; Rainer Plaga; Ralph Breithaupt (Int. J. Bifurc. Chaos, 2016)

Biometric Systems under Morphing Attacks: Assessment of Morphing Techniques and Vulnerability Reporting. - Ulrich Scherhag; Andreas Nautsch; Christian Rathgeb; Marta Gomez-Barrero; Raymond N. J. Veldhuis; Luuk J. Spreeuwers; Maikel Schils; Davide Maltoni; Patrick Grother; Sébastien Marcel; Ralph Breithaupt; Ramachandra Raghavendra; et al. (BIOSIG, 2017)

Full-fingerprint volumetric subsurface imaging using Fourier-domain Optical Coherence Tomography. - Ctirad Sousedik; Ralph Breithaupt (IWBF, 2017)

Classification of Fingerprints Captured Using Optical Coherence Tomography. - Ctirad Sousedik; Ralph Breithaupt; Patrick Bours (SCIA (2), 2017)

Face Recognition Systems Under Morphing Attacks: A Survey. - Ulrich Scherhag; Christian Rathgeb; Johannes Merkle; Ralph Breithaupt; Christoph Busch 001 (IEEE Access, 2019)

Vereinbarkeit von Biometrieforschung und Datenschutz. - Arndt von Twickel; Jennifer Breuer; Ralph Breithaupt (Datenschutz und Datensicherheit, 2020)

On the Effectiveness of Impedance-Based Fingerprint Presentation Attack Detection. - Jascha Kolberg; Daniel Gläsner; Ralph Breithaupt; Marta Gomez-Barrero; Jörg Reinhold; Arndt von Twickel; Christoph Busch 001 (Sensors, 2021)

Customizable Presentation Attack Detection for Improved Resilience of Biometric Applications Using Near-Infrared Skin Detection. - Tobias Scheer; Markus Rohde; Ralph Breithaupt; Norbert Jung; Robert Lange (Sensors, 2024)

Enhancing Resilience in Biometric Research: Generation of 3D Synthetic Face Data Using Advanced 3D Character Creation Techniques from High-Fidelity Video Games and Animation. - Florian Erwin Blümel; Mathias Schulz; Ralph Breithaupt; Norbert Jung; Robert Lange (Sensors, 2024)

Longitudinal Study of Facial Biometrics at the BEZ: Temporal Variance Analysis. - Mathias Schulz; Alexander Spenke; Pia Funk; Florian Erwin Blümel; Markus Rohde; Ralph Breithaupt; Gerd Nolden; Norbert Jung; Robert Lange (CoRR, 2025)