1. Chonnam National University,Dept. of ICT Convergences System Engineering,Gwangju,Republic of Korea
2. Chonnam National University,Dept. of Electronics and Computer Engineering,Gwangju,Republic of Korea
3. Alps Electric Korea Co., Ltd.,Gwangju,Republic of Korea
4. Korea Nazarene University,Department of IT Artificial Intelligence,Cheonan,Republic of Korea
5. Chonnam National University,Dept. of Electronic Engineering and Dept. of ICT Convergence System Engineering,Gwangju,Republic of Korea