Rakkrit Duangsoithong and  Jermphiphut Jaruenpunyasak and  Alba Garcia,  Foot Recognition Using Deep Learning for Knee Rehabilitation.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2019, vol. 151(7). 392 - 396
    [viewed 20 October 2019]. Available from: https://publications.waset.org/pdf/10010586.