@inproceedings{Cristinacce:PETS2003,
    author = {D. Cristinacce and T. Cootes },
    title  = {A Comparison of two Real-Time Face Detection Methods},
    booktitle = {$4^{th}$ IEEE International Workshop on Performance
    Evaluation of Tracking and Surveillance},
    pages= {1-8},
    year = 2003
}