@article{JMLR:v8:liu07a,
  author  = {Chao-Chun Liu and Dao-Qing Dai and Hong Yan},
  title   = {Local Discriminant Wavelet Packet Coordinates for Face Recognition},
  journal = {Journal of Machine Learning Research},
  year    = {2007},
  volume  = {8},
  number  = {42},
  pages   = {1165--1195},
  url     = {http://jmlr.org/papers/v8/liu07a.html}
}