Jeffrey M. Girard, Jeffrey F. Cohn, Fernando De la Torre. Estimating smile intensity: A better way. Pattern Recognition Letters, 66:13-21, 2015. [doi]
@article{GirardCT15,
title = {Estimating smile intensity: A better way},
author = {Jeffrey M. Girard and Jeffrey F. Cohn and Fernando De la Torre},
year = {2015},
doi = {10.1016/j.patrec.2014.10.004},
url = {http://dx.doi.org/10.1016/j.patrec.2014.10.004},
researchr = {https://researchr.org/publication/GirardCT15},
cites = {0},
citedby = {0},
journal = {Pattern Recognition Letters},
volume = {66},
pages = {13-21},
}