H. Pirsiavash, и D. Ramanan. Proceedings of the 2014 IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Columbus, OH, USA, стр. 612-619. (2014)
L. Chen, J. Hoey, C. Nugent, D. Cook, и Z. Yu. IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews, 42 (6):
790-808(ноября 2012)