WASET
    Jing Jia and  Shanqing Huang and  Fang Liu and  Qiang Ren and  Gui Li and  Mengyun Cheng and  Chufeng Jin and  Yican Wu,  Automatic 2D/2D Registration using Multiresolution Pyramid based Mutual Information in Image Guided Radiation Therapy.   journal   = {International Journal of Biomedical and Biological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2011, vol. 56(8). 353 - 357
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/13576.