@InProceedings{possegger12a,
  author = {Horst Possegger and Matthias RĂ¼ther and Sabine Sternig and Thomas Mauthner and Manfred Klopschitz and Peter M. Roth and Horst Bischof},
  title = {Unsupervised Calibration of Camera Networks and Virtual PTZ Cameras},
  booktitle = {Proc. Computer Vision Winter Workshop (CVWW)},
  year = {2012}
}