@INPROCEEDINGS{ungertrifocal2008,
  author  =  {Unger, Ch. and Groher, M. and Navab, N.},
  title   =  {Image Based Rendering for Motion Compensation in Angiographic Roadmapping},
  booktitle =  {IEEE Computer Society Conference on Computer Vision and Pattern Recognition},
  year    =  {2008}
}