author= {Perrey, Ralf},
title= {Affin-Invariante Merkmale f{\\"u}r die 2D-Bilderkennung},
school= {Human Language Technology and Pattern Recognition Group, RWTH Aachen University},
year= 2000,
address= {Aachen, Germany},
month= feb,
pdf = {https://www-i6.informatik.rwth-aachen.de/publications/downloader.php?id=155&row=pdf}