@article{BatEtAl04,
  author = {Battiato, S. and Gallo, G. and Impoco, G. and Stanco, F.},
  title = {An Efficient Re-indexing Algorithm for Colour-Mapped Images},
  journal = {IEEE Transaction on Image Processing},
  volume = {13},
  number = {11},
  month = {November},
  pages = {1419-1423},
  publisher = {IEEE Computer Society},
  year = {2004}
}