Graduated in mathematics from Innsbruck University in 1987, and obtained Dr.-eng. (PhD) in computer science from Erlangen University in 1998. Currently he works scientist in Fraunhofer-IOSB in Ettlingen, Germany. He has been chair of the IAPR-TC7 (Technical Committee for Pattern Recognition in Remote Sensing and Mapping) between 2014 and 2018. Research interests are knowledge-based image analysis, object recognition, remote sensing and perceptual grouping.

• Fraunhofer Institute of Optronics, System Technologies and Image Exploitation IOSB, Gutleuthausstr. 1, 76275 Ettlingen, Germany