Nuria Oliver, Alex Pentland, François Bérard. LAFTER: a real-time face and lips tracker with facial expression recognition. Pattern Recognition, 33(8):1369-1382, 2000. [doi]
@article{OliverPB00,
title = {LAFTER: a real-time face and lips tracker with facial expression recognition},
author = {Nuria Oliver and Alex Pentland and François Bérard},
year = {2000},
doi = {10.1016/S0031-3203(99)00113-2},
url = {http://dx.doi.org/10.1016/S0031-3203(99)00113-2},
researchr = {https://researchr.org/publication/OliverPB00},
cites = {0},
citedby = {0},
journal = {Pattern Recognition},
volume = {33},
number = {8},
pages = {1369-1382},
}