@article{Baradarani1977An,

  title={An efficient illumination invariant face recognition framework via illumination enhancement and DD-DTCCWT filtering},

  author={Baradarani, Aryaz and Wu, Q. M. Jonathan and Ahmadi, Majid},

  journal={Pattern Recognition},

  volume={131},

  number={1},

  pages={23-37},

  year={1977},

}