Ulrich Wölfel

According to our database, Ulrich Wölfel authored at least 5 papers between 2005 and 2015.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2015

Security Levels in Steganography - Insecurity does not Imply Detectability.

Maciej Liskiewicz, Rüdiger Reischuk, Ulrich Wölfel

Electron. Colloquium Comput. Complex., 2015

2011

Efficient and provably secure steganography.

Ulrich Wölfel

PhD thesis, 2011

Grey-Box Steganography.

Maciej Liskiewicz, Rüdiger Reischuk, Ulrich Wölfel

Proceedings of the Theory and Applications of Models of Computation, 2011

2006

Provably Secure Steganography and the Complexity of Sampling.

Christian Hundt, Maciej Liskiewicz, Ulrich Wölfel

Proceedings of the Algorithms and Computation, 17th International Symposium, 2006

2005

On the Intractability of Inverting Geometric Distortions in Watermarking Schemes.

Maciej Liskiewicz, Ulrich Wölfel

Proceedings of the Information Hiding, 7th International Workshop, 2005