1. School of Electronic and Electrical Engineering, Kyungpook National University, Deagu, South Korea
2. Intelligence SW Team, Hanwha Systems, Pangyo, South Korea
3. Center for ICT and Automotive Convergence, Kyungpook National University, Deagu, South Korea
4. Research Center for Neurosurgical Robotic System, School of Electronics Engineering, Kyungpook National University, Deagu, South Korea