@inproceedings{BatEtAl01,
  author = {Battiato, S. and Gallo, G. and Impoco, G. and Stanco, F.},
  title = {A Color Reindexing Algorithm for Lossless Compression of Digital Images},
  booktitle = {IEEE Spring Conference on Computer Graphics SCCG 2001},
  month = {April},
  location = {Budmerice, Slovak Republic},
  pages = {169-173},
  publisher = {IEEE Computer Society},
  year = {2001}
}