Insaf Ajili and  Malik Mallem and  Jean-Yves Didier,  An Efficient Motion Recognition System Based on LMA Technique and a Discrete Hidden Markov Model.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2018, vol. 141(9). 707 - 713
    [viewed 17 February 2020]. Available from: https://publications.waset.org/pdf/10009500.