@article {IOPORT.05453836,
    author       = {Castel\'an, Mario and Smith, William A.P. and Hancock, Edwin R.},
    title        = {A coupled statistical model for face shape recovery from brightness images.},
    year         = {2007},
    journal      = {IEEE Transactions on Image Processing},
    volume       = {16},
    number       = {4},
    issn         = {1057-7149},
    pages        = {1139-1151},
    publisher    = {The Institute of Electrical and Electronics Engineers (IEEE), Piscataway, NJ},
    doi          = {10.1109/TIP.2006.891351},
    identifier   = {05453836},
}