1. Department of IT Engineering, Research Institute of ICT Convergence, Sookmyung Women’s University, Seoul 04310, Republic of Korea
2. Visual Communication Design, School of Design, Hongik University, Seoul 04066, Republic of Korea
3. Department of Visual Arts, Mokpo National University, Muan-gun 58554, Republic of Korea
4. School of Computer Science, Semyung University, Jecheon 27136, Republic of Korea