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Olawale, B O, Chatwin, C R, Young, R C D, Birch, P M, Faithpraise, F O and Olukirin, A O (2015) A four-step ortho-rectification procedure for geo- referencing video streams from a low-cost UAV. International Journal of Computer, Electrical, Automation, Control and Information Engineering, 9 (8). pp. 1445-1452.