Seyyed Yasser Hashemi and  Khalil Monfaredi,  Persian/Arabic Document Segmentation Based On Pyramidal Image Structure.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2014, vol. 89(5). 854 - 858
    [viewed 11 April 2021]. Available from: https://publications.waset.org/pdf/9998467.