@inproceedings{masai2016facial,
    author = "Masai, Katsutoshi and Sugiura, Yuta and Ogata, Masa and Kunze, Kai and Inami, Masahiko and Sugimoto, Maki",
    title = "Facial Expression Recognition in Daily Life by Embedded Photo Reflective Sensors on Smart Eyewear",
    booktitle = "Proceedings of the 21st International Conference on Intelligent User Interfaces",
    year = "2016",
    pages = "317--326",
    doi = "10.1145/2856767.2856770"
}