Multilayer Architectures for Facial Action Unit Recognition

@article{Wu2012MultilayerAF,
  title={Multilayer Architectures for Facial Action Unit Recognition},
  author={Tingfan Wu and Nicholas J. Butko and Paul Ruvolo and Jacob Whitehill and Marian Stewart Bartlett and Javier R. Movellan},
  journal={IEEE Transactions on Systems, Man, and Cybernetics, Part B (Cybernetics)},
  year={2012},
  volume={42},
  pages={1027-1038}
}
In expression recognition and many other computer vision applications, the recognition performance is greatly improved by adding a layer of nonlinear texture filters between the raw input pixels and the classifier. The function of this layer is typically known as feature extraction. Popular filter types for this layer are Gabor energy filters (GEFs) and local binary patterns (LBPs). Recent work [1] suggests that adding a second layer of nonlinear filters on top of the first layer may be… CONTINUE READING

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