@article{etna_vol13_pp22-37,
  author  = {James G. Nagy and Dianne P. O'Leary},
  title   = {Image restoration through subimages and confidence images},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {13},
  year    = {2002},
  pages   = {22--37},
}