1. Aggarwal JK, Cai Q (1999) Human motion analysis: a review. Comput Vis Image Underst 73(3):428–440
2. Aggarwal JK, Ryoo MS (2011) Human activity analysis: a review. ACM Comput Surveys 43(3):Atr. 16
3. Agrawal T, Chaudhuri S (2003) Gesture recognition using motion histogram. In: Proceedings of the Indian National Conference of Communications, pp 438–442
4. Bekios-Calfa J, Buenaposada JM, Baumela L (2011) Class-conditional probabilistic principal component analysis: application to gender recognition. Computacion y Sistemas 14(4):383–391
5. Bishop CM (2006) Pattern Recognit Mach Learn. Springer, New York