Pil Un Kim and  Yunjung Lee and  Gihyoun Lee and  Jin Ho Cho and  Myoung Nam Kim,  Vessel Inscribed Trigonometry to Measure the Vessel Progressive Orientations in the Digital Fundus Image.   journal   = {International Journal of Biomedical and Biological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2010, vol. 44(8). 372 - 374
    [viewed 09 May 2024]. Available from: https://publications.waset.org/pdf/12890.