Christian Rathgeb

Christian Rathgeb, PhD

Position: PostDoc
Office: D19 room 2.02
Email: christian.rathgeb -at- {crisp-da.de,h-da.de}
Telephone: +49 6151 16 30085

Christian Rathgeb received his MSc and PhD degrees (both in Computer Science) from the University of Salzburg, Austria, in 2009 and 2012, respectively. Since 2012 he is a postdoctoral researcher at the Center for Advanced Security Research Darmstadt (CASED), Germany. His research interests are mainly focused on biometrics.

Research Interests

  • Biometrics
  • Iris Recognition
  • Template Protection
  • Biometric Ageing

Current Offerings

For a list of further currently offered bachelor- and master theses, please have a look at this page. If you may have a specific topic related to my research interests in mind that is not listed on the aforementioned page, please get in touch with me by email.

Activities/Memberships

Downloads

  • USIT – University of Salzburg Iris Toolkit v2.0 is a Windows/Linux software package for iris recognition which comprises algorithms for (1) iris pre-processing, (2) feature extraction, and (3) feature comparison.

Selected Publications

Books

  •  Christian Rathgeb, Andreas Uhl, Peter Wild, „Iris Recognition: From Segmentation to Template Security“, In Advances in Information Security 59. Springer, New York, 2012.

Journal Articles

  • Christian Rathgeb, Benjamin Tams, Johannes Wagner, Christoph Busch, „Unlinkable Improved Multi-Biometric Iris Fuzzy Vault“, In EURASIP Journal on Information Security, 2016.
  • Marta Gomez-Barrero, Christian Rathgeb, Javier Galbally, Christoph Busch, Julian Fierrez, „Unlinkable and Irreversible Biometric Template Protection based on Bloom filters“, In Information Sciences, Vol. 370-371, pp. 18-32, 2016.
  •  Christian Rathgeb, Christoph Busch, „Cancelable Multi-Biometrics: Mixing Iris-Codes based on Adaptive Bloom Filters“, In Elsevier Computers and Security 42(0), 2014.
  •  Christian Rathgeb, Frank Breitinger, Christoph Busch, Harald Baier, „On the Application of Bloom Filters to Iris Biometrics“, In IET Journal on Biometrics 3(1), 2014.
  • Christian Rathgeb, Andreas Uhl, „Statistical Attack against Fuzzy Commitment Scheme“, In IET Journal on Biometrics 1(2), 2012.
  • Christian Rathgeb, Andreas Uhl, „A Survey on Biometric Cryptosystems and Cancelable Biometrics, In EURASIP Journal on Information Security, 2011.
  • Christian Rathgeb, Andreas Uhl, „Context-based Biometric Key-Generation for Iris“, In IET Computer Vision (Special Issue on Future Trends in Biometric Processing), 5(6), IET, 2011.

Book Chapters

  • Christian Rathgeb, Andreas Uhl, Peter Wild, Heinz Hofbauer, „Design Decisions in an Iris Recognition SDK“, In Handbook of Iris Recognition (2nd Edition), Springer, 2016.
  • Nicolas Buchmann, Christian Rathgeb, Roel Peeters, Harald Baier, Christoph Busch, „BioPACE: Biometric-Protected Authentication Connection Establishment“, In Advances in Security and Privacy of Biometrics Systems, Cambridge Scholars Publishing, 2015.
  •  Christian Rathgeb, Andreas Uhl, Christoph Busch, „Ageing Effects and Implications for Biometric Template Protection“, In Age Factors in Biometric Processing, IET, 2012.
  •  Christian Rathgeb, Christoph Busch, „Multibiometric Template Protection: Issues and Challenges“, In New Trends and Developments in Biometrics, InTech, 2012.
  • Christian Rathgeb, Andreas Uhl, „The State-of-the-Art in Iris Biometric Cryptosystems“, In State of the art in Biometrics, InTech, 2011

Conference Papers

  • Esbern Anderson-Hoppe, Christian Rathgeb, Christoph Busch, „Combining Multiple Iris Texture Features for Unconstrained Recognition in Visible Wavelengths“, in Proc. International Workshop on Biometrics and Forensics (IWBF), 2017.
  • Marta Gomez-Barrero, Christian Rathgeb, Ulrich Scherhag, Christoph Busch, „Is Your Biometric System Robust to Morphing Attacks?“, in Proc. International Workshop on Biometrics and Forensics (IWBF), 2017.
  • Ulrich Scherhag, R. Ramachandra, Kiran Raja, Marta Gomez-Barrero, Christian Rathgeb, Christoph Busch, „On the Vulnerability and Detection of Digital Morphed and Scanned Face Images“, in Proc. International Workshop on Biometrics and Forensics (IWBF), 2017.
  • Torsten Schlett, Christian Rathgeb, Christoph Busch, „A Binarization Scheme for Face Recognition based on Multi-scale Block Local Binary Patterns“, in Proceedings of International Conference of the Biometrics Special Interest Group (BIOSIG’16), 2016.
  • Andreas Nautsch, Reiner Bamberger, Christoph Busch, „Decision Robustness of Voice Activity Segmentation in unconstrained mobile Speaker Recognition Environments“, In Proceedings of International Conference of the Biometrics Special Interest Group (BIOSIG’16), 2016.
  • Christian Rathgeb, Heinz Hofbauer, Andreas Uhl, Christoph Busch, „TripleA: Accelerated Accuracy-preserving Alignment for Iris-Codes“, In Proceedings of the 9th IAPR International Conference on Biometrics (ICB’16), 2016.
  • Benjamin Tams, Johannes Merkle, Christian Rathgeb, Johannes Wagner, Ulrike Korte, Christoph Busch, „Improved Fuzzy Vault Scheme for Alignment-Free Fingerprint Features“, In Proceedings of the International Conference of the Biometrics Special Interest Group (BIOSIG’15), 2015.
  • Heinz Hofbauer, Christian Rathgeb, Johannes Wagner, Andreas Uhl, Christoph Busch, „Investigation of Better Portable Graphics Compression for Iris Biometric Recognition“, In Proceedings of the International Conference of the Biometrics Special Interest Group (BIOSIG’15), 2015.
  • Anika Pflug, Christian Rathgeb, Ulrich Scherhag, Christoph Busch, “Binarization of Histogram Models: An Application to Efficient Biometric Identification”, In Proceedings of the 2nd International Conference on Cybernetics (CYBCONF’15), Special Session on Reliable Biometrics (BIORELIABILITY’15), 2015.
  • Christian Rathgeb, Frank Breitinger, Harald Baier, Christoph Busch, „Towards Bloom Filter-based Indexing of Iris Biometric Data“, In Proceedings of the 8th IAPR International Conference on Biometrics (ICB’15), 2015, (Best Poster Paper Award).
  • Julien Bringer, Constance Morel, Christian Rathgeb, „Security analysis of Bloom Filter-based Iris Biometric Template Protection“, In Proceedings of the 8th IAPR International Conference on Biometrics (ICB’15), 2015.
  • Christian Rathgeb, Marta Gomez-Barrero, Christoph Busch, Javier Galbally, Julian Fierrez, „Towards Cancelable Multi-Biometrics based on Adaptive Bloom Filters: A Case Study on Feature Level Fusion of Face and Iris“, In Proceedings of 3rd International Workshop on Biometrics and Forensics (IWBF’15), 2015.
  • Christian Rathgeb, Johannes Wagner, Benjamin Tams, Christoph Busch, „Preventing the Cross-Matching Attack in Bloom Filter-based Cancelable Biometrics“, In Proceedings of 3rd International Workshop on Biometrics and Forensics (IWBF’15), 2015.
  • Stefan Billeb, Christian Rathgeb, Michael Buschbeck, Herbert Reininger, Klaus Kasper, „Efficient Two-stage Speaker Identification based on Universal Background Models“, In Proceedings of the International Conference of the Biometrics Special Interest Group (BIOSIG’14), 2014.
  • Benjamin Tams, Christian Rathgeb, „Towards Efficient Privacy-Preserving Two-Stage Identification for Fingerprint-based Biometric Cryptosystems“, In Proceedings of International Joint Conference on Biometrics (IJCB’14), 2014.
  • Christian Rathgeb, Andreas Uhl, Peter Wild, „Effects of Severe Image Compression on Iris Segmentation Performance“, In Proceedings of International Joint Conference on Biometrics (IJCB’14), 2014. (Best Poster Paper Award)
  • Anika Pflug, Johannes Wagner, Christian Rathgeb, Christoph Busch, „Impact of Severe Signal Degradation on Ear Recognition Performance“, In Proceedings of Biometrics & Forensics & De-identification and Privacy Protection (BiForD’14), 2014.
  • Marta Gomez-Barrero, Christian Rathgeb, Javier Galbally, Julian Fierrez, Christoph Busch, „Protected Facial Biometric Templates Based on Local Gabor Patterns and Adaptive Bloom Filters“, In Proceedings of the 22nd International Conference on Pattern Recognition (ICPR’14), 2014.
  • Nicolas Buchmann, Christian Rathgeb, Harald Baier, Christoph Busch, „Towards electronic identification and trusted services for biometric authenticated transactions in the Single Euro Payments Area“, In Proceedings of the 2nd Annual Privacy Forum (APF’14), LNCS 8450, 2014.
  • Johannes Wagner, Anika Pflug, Christian Rathgeb, Christoph Busch, „Effects of Severe Signal Degradation on Ear Detection“, In Proceedings of the 2nd International Workshop on Biometrics and Forensics (IWBF’14), 2014.
  •  Alina Krupp, Christian Rathgeb, Christoph Busch, „Social Acceptance of Biometric Technologies in Germany: A Survey“, In Proceedings of the International Conference of the Biometrics Special Interest Group (BIOSIG’13), 2013.
  •  Christian Rathgeb, Frank Breitinger, Christoph Busch, „Alignment-Free Cancelable Iris Biometric Templates based on Adaptive Bloom Filters“, In Proceedings of the 6th IAPR International Conference on Biometrics (ICB’13), 2013.
  • Heinz Hofbauer, Christian Rathgeb, Andreas Uhl, Peter Wild, „Image Metric-based Biometric Comparators: A Supplement to Feature Vector-based Hamming Distance?“, In Proceedings of the International Conference of the Biometrics Special Interest Group (BIOSIG’12), 2012.
  • Christian Rathgeb, Andreas Uhl, Peter Wild, „Iris-Biometric Comparators: Exploiting Comparison Scores towards an Optimal Alignment under Gaussian Assumption“, In Proceedings of the 5th IAPR/IEEE International Conference on Biometrics (ICB ’12), 2012.
  • Christian Rathgeb, Andreas Uhl, Peter Wild, „Reliability-balanced Feature Level Fusion for Fuzzy Commitment Scheme“, In Proceedings of the International Joint Conference on Biometrics (IJCB ’11), 2011.
  • Christian Rathgeb, A. Uhl, „Statistical Attack against Iris-Biometric Fuzzy Commitment Schemes“, In Proceedings of the IEEE Computer Society and IEEE Biometrics Council Workshop on Biometrics (CVPRW ’11), 2011.
  • Christian Rathgeb, Andreas Uhl, Peter Wild, „On Combining Selective Best Bits of Iris-Codes“, In Proceedings of the Biometrics and ID Management Workshop (BioID ’11), 2011.
  • Christian Rathgeb, Andreas Uhl, Peter Wild, „Incremental Iris Recognition: A Single-algorithm Serial Fusion Strategy to Optimize Time Complexity“, In Proceedings of the 4th IEEE International Conference on Biometrics: Theory, Application, and Systems 2010 (IEEE BTAS ’10), 2010.
  • Christian Rathgeb, Andreas Uhl, „Iris-Biometric Hash Generation for Biometric Database Indexing“, In Proceedings of the 20th International Conference on Pattern Recognition (ICPR ’10), 2010.
  • Christian Rathgeb, Andreas Uhl, „Attacking Iris Recognition: An Effcient Hill-Climbing Technique“, In Proceedings of the 20th International Conference on Pattern Recognition (ICPR ’10), 2010.
  • Christian Rathgeb, Andreas Uhl, „Systematic construction of iris-based fuzzy commitment schemes“, In Proceedings of the 3rd International Conference on Biometrics 2009 (ICB ’09), 2009.