@article{iqm,
  author    = {Ismail Avcibas and
               Nasir D. Memon and
               B{\"u}lent Sankur},
  title     = {Steganalysis using image quality metrics.},
  journal   = {IEEE Transactions on Image Processing},
  volume    = {12},
  number    = {2},
  year      = {2003},
  pages     = {221-229},
}