@InProceedings{grapp07-kraus,
  author = {Kraus, M. and Strengert, M.},
  title  = {{Pyramid Filters Based on Bilinear Interpolation}},
  year   = {2007},
  pages  = {21-28},
  booktitle = {{International Conference on Computer Graphics Theory}},
  volume    = {GM-R}
}