@inproceedings{,
          title={Emotion recognition from facial images with arbitrary views },
          author={Xiaohua Huang (University of Oulu), Guoying Zhao , Matti Pietikainen (University of Oulu) },
          year = {2013},
          booktitle = {Proceedings of the British Machine Vision Conference},
          publisher = {BMVA Press},
          editors={Burghardt, Tilo and Damen, Dima and Mayol-Cuevas, Walterio and Mirmehdi, Majid},
        }