@INPROCEEDINGS{blum2010ismar, author = {L. Wang and M. Springer and H. Heibel and N. Navab}, title = {{Floyd-Warshall All-Pair Shortest Path for Accurate Multi-Marker Calibration}}, booktitle = {{Proceedings of the 9th International Symposium on Mixed and Augmented Reality (ISMAR)}}, address = {Seoul, South Korea}, year = {2010}, month = {October} }