1. Karlsruhe Institute of Technology,Institute for Automation and Applied Informatics,Eggenstein-Leopoldshafen,Germany,76344
2. Heidelberg University,BioQuant,Heidelberg,Germany,69120
3. University of Oulu,Center for Machine Vision and Signal Analysis,Oulu,Finland,90570
4. Karlsruhe Institute of Technology,Institute for Applied Materials,Karlsruhe,Germany,76131