M A Hannan and  A. Hussain and  S. A. Samad and  K. A. Ishak and  A.
Mohamed,  A Unified Robust Algorithm for Detection of Human and Non-human Object in Intelligent Safety Application.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2008, vol. 23(11). 3838 - 3845
    [viewed 14 August 2022]. Available from: https://publications.waset.org/pdf/10689.