@inproceedings{Kaehler07:RMC,
title = {Rigid Motion Constraints for Tracking Planar Objects},
booktitle = {Proceedings 29th Annual Symposium of the German Association for Pattern Recognition (DAGM2007)},
author = {Olaf Kähler and Joachim Denzler},
pages = {102-111},
year = {2007},
}