Meng Wang and  Qi-rui Han,  An Improved Algorithm of SPIHT based on the Human Visual Characteristics.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2008, vol. 17(5). 1592 - 1595
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/7745.