Comparing different methods to speed up reinforcement learning in a complex domain. - Martin A. Riedmiller; Daniel Withopf (SMC, 2005)

Effective Methods for Reinforcement Learning in Large Multi-Agent Domains. - Martin A. Riedmiller; Daniel Withopf (it Inf. Technol., 2005)

Learning Algorithm for Real-Time Vehicle Tracking. - Daniel Withopf; Bernd Jähne (ITSC, 2006)

Improved training algorithm for tree-like classifiers and its application to vehicle detection. - Daniel Withopf; Bernd Jähne (ITSC, 2007)