@ARTICLE{DYu:Median,
  author =       {D. L. Donoho and T. P.-Y. Yu},
  title =        {Nonlinear Pyramid Transforms Based on Median-Interpolation},
  journal =      {SIAM Journal of Math. Anal.},
  year =         {2000},
  volume =       {31},
  number =       {5},
  pages =        {1030-1061},
}