@proceedings {hamprecht2007, title = {Pattern Recognition, 29th DAGM Symposium, Heidelberg, Germany, September 12-14}, volume = {4713}, year = {2007}, publisher = {Springer}, doi = {10.1007/978-3-540-74936-3}, author = {Christoph Schn{\"o}rr and Bernd J{\"a}hne}, editor = {Fred A. Hamprecht} }