Facial modeling from an uncalibrated face image using a coarse-to-fine genetic algorithm. Ho, S. & Huang, H. Pattern Recognition, 34:1015--1031, 2001.
bibtex   
@article{Ho01,
   author = {Shinn-Ying Ho and Hui-Ling Huang},
   title = {Facial modeling from an uncalibrated face image using
   a coarse-to-fine genetic algorithm},
   journal = {Pattern Recognition},
   volume = {34},
   pages = {1015--1031},
   year = {2001}
}

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