Byung-Ju Kim and Jong-Jin Shin and Hwa-Jin Nam and Jin-Soo Kim, Skyline Extraction using a Multistage Edge Filtering. journal = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology. July 2011, vol. 55(7). 792 - 796 [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10437.