V. Ramesh, K. Agrawal, B. Meyer, G. Cauwenberghs, and N. Weibel. Proceedings of the 12th EAI International Conference on Pervasive Computing Technologies for Healthcare, page 55--58. New York, NY, USA, ACM, (2018)
Y. LeCun, F. Huang, and L. Bottou. Computer Vision and Pattern Recognition, 2004. CVPR 2004. Proceedings
of the 2004 IEEE Computer Society Conference on, 2, page II-97--104 Vol.2. (2004)