Kibaek Kim and  Dongjin Jung and  Jinik Jang and  Jechang Jeong,  Intra Prediction using Weighted Average of Pixel Values According to Prediction Direction.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2011, vol. 55(7). 815 - 818
    [viewed 29 November 2021]. Available from: https://publications.waset.org/pdf/8359.