1. Department of Robotics and Mechatronics Engineering, DGIST, Daegu, South Korea
2. Department of Mechatronics Engineering, Gyeongsang National University, Jinju, South Korea
3. Department of Cogno Mechatronics Engineering, Pusan National University, Busan, South Korea
4. Engineering Research Center for Color-Modulated Extra-Sensory Perception Technology, Pusan National University, Busan, Republic of Korea