1. Kwangwoon University,Department of Artificial Intelligence Application,Seoul,South Korea
2. Kwangwoon University,Department of Artificial Intelligence Convergence,Seoul,South Korea
3. Jeju National University,Information Systems,Department of Management,Jeju,South Korea
4. Electronics and Telecommunications Research Institute,Smart Data Research Section,Daejeon,South Korea
5. Kwangwoon University,School of Information Convergence,Seoul,South Korea