Xing Xiong and  Byung-Jae Choi,  Estimation of Relative Self-Localization Based On Natural Landmark and an Improved SURF.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 128 - 132
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/6206.