Dipl.-Inf. Christian Thiel

Research Interests

• Machine Learning
• Multiple Classifier Fusion
• Learning with uncertain teacher labels
• Application areas: satellite images, emotions in speech or video, object recognition;

Awards

• My article on Fuzzy-Input Fuzzy-Output Support-Vector-Machines won the "Best Paper Award" at the KES 2007 conference (out of 411 contributions).
• Placing within the top 5 in the DFTC Fusion Contest 2008 of the IEEE Geoscience and Remote Sensing Society. (To be more specific, 4th place in collaboration with Ferdinando Giacco.)

Publications

Browse publications

2009

Martin Schels, Christian Thiel, Friedhelm Schwenker, and Günther Palm.
Book title not yet fixed, chapter Classifier Fusion Applied to Facial Expression Recognition: An Experimental Comparison.
Cognitive Systems Monographs. Springer, in press.

Ferdinando Giacco, Silvia Scarpetta, Luca Pugliese, Maria Marinaro, and Christian Thiel.
Application of Self Organizing Maps to multi-resolution and multi-spectral remote sensed images.
In Bruno Apolloni, Simone Bassis, and Maria Marinaro, editors, New Directions in Neural Networks, 18th Italian Workshop on Neural Networks: WIRN 2008, volume 193 of Frontiers in Artificial Intelligence and Applications, pages 245-253. IOS Press, 2009.

Giorgio Licciardi, Fabio Pacifici, Devis Tuia, Saurabh Prasad, Terrance West, Ferdinando Giacco, Christian Thiel, Jordi Inglada, Emmanuel Christophe, Jocelyn Chanussot, and Paolo Gamba.
Decision fusion for the classification of hyperspectral data: Outcome of the 2008 GRS-S Data Fusion Contest.
IGARSS'08 special issue of the IEEE Transactions on Geoscience and Remote Sensing (TGARS), 47(11):3857-3865, 2009.

Christian Thiel, Ferdinando Giacco, Friedhelm Schwenker, and Günther Palm.
Comparison of Neural Classification Algorithms Applied to Land Cover Mapping.
In Bruno Apolloni, Simone Bassis, and Maria Marinaro, editors, New Directions in Neural Networks, 18th Italian Workshop on Neural Networks: WIRN 2008, volume 193 of Frontiers in Artificial Intelligence and Applications, pages 254-263. IOS Press, 2009.

2008

Christian Thiel.
Classification on Soft Labels is Robust Against Label Noise.
In Proceedings of the 12th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems, KES 2008, volume 5177 of LNAI, pages 65-73. Springer, 2008.

Christian Thiel, Britta Sonntag, and Friedhelm Schwenker.
Experiments with supervised fuzzy LVQ.
In Lionel Prevost, Simone Marinai, and Friedhelm Schwenker, editors, Artificial Neural Networks in Pattern Recognition, proceedings of the third IAPR workshop, ANNPR 2008, volume 5064 of LNAI, pages 125-132. Springer, 2008.

2007

Christian Thiel, Stefan Scherer, and Friedhelm Schwenker.
Fuzzy-Input Fuzzy-Output One-Against-All Support Vector Machines.
In Proceedings of the 11th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems, KES 2007, volume 4694 of LNAI, pages 156-165. Springer, 2007.

2006

Rebecca Fay, Friedhelm Schwenker, Christian Thiel, and Günther Palm.
Hierarchical neural networks utilising Dempster-Shafer evidence theory.
In Schwenker F. and Marinai S., editors, Artificial neural Networks in Pattern Recognition, volume 4087 of LNAI, pages 198-209. Springer, 2006.

Klaus Riede, Frank Nischk, Christian Dietrich, Christian Thiel, and Friedhelm Schwenker.
Automated annotation of Orthoptera songs: first results from analysing the DORSA sound repository.
Journal of Orthoptera Research, 15(1):105-113, 2006.

Andreas Sachs, Christian Thiel, and Friedhelm Schwenker.
One-class support-vector machines for the classification of bioacoustic time series.
In Proceedings of the Fourth International Conference on Informatics and Systems, INFOS 2006, Cairo, 2006.

Friedhelm Schwenker, Christian Dietrich, Christian Thiel, and Günther Palm.
Learning decision fusion mappings for pattern recognition.
ICGST International Journal on Artificial Intelligence and Machine Learning (AIML), 6:17-21, 2006.

2005

Christian Thiel.
Using Dempster-Shafer Theory in MCF Systems to Reject Samples.
In Nikunj C Oza, Robi Polikar, Josef Kittler, and Fabio Roli, editors, Proceedings of the 6th International Workshop on Multiple Classifier Systems, MCS 2005, volume 3541 of LNCS, pages 118-127. Springer, 2005.

Conferences attended

• 12th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems, KES 2008, Zagreb, Croatia
• 3rd IAPR Workshop on Artificial Neural Networks in Pattern Recognition, ANNPR 2008, Paris, France
• 11th International Conference on Knowledge-Based and Intelligent Information & Engineering Systems, KES 2007, Vietri sul Mare, Italy (Best paper award!)
• 8th International Conference on Large-Scale Semantic Access to Content, RIAO 2007, Pittsburgh, USA
• 2nd IAPR Workshop on Artificial Neural Networks in Pattern Recognition, ANNPR 2006, Ulm, Germany
• 17th European Conference on Machine Learning, ECML 2006, Berlin, Germany
• INFOS 2006, Cairo, Egypt
• 10th Course of the International School "Eduardo R. Caianiello", The Analysis of Patterns, 2005, Erice, Sicily
• 6th International Workshop on Multiple Classifiers Systems, MCS 2005, Monterey, USA

Private homepage of Christian Thiel