Affiliation: | 1. Minsik Park (phone: +82 42 860 1231, pms@etri.re.kr) is with the Broadcasting & Telecommunications Media Research Laboratory, ETRI and with the Department of Computer Science and Engineering, Chungnam National University, Daejeon, Rep. of Korea.;2. Hyun‐Eui Kim (turnn@etri.re.kr), Kyungae Moon (kamoon@etri.re.kr), and Jinwoong Kim (jwkim@etri.re.kr) are with the Broadcasting & Telecommunications Media Research Laboratory, ETRI, Daejeon, Rep. of Korea.;3. Byung Gyu Chae (bgchae@etri.re.kr) is with the IT Convergence Technology Research Laboratory, ETRI, Daejeon, Rep. of Korea.;4. Joonku Hahn (jhahn@knu.ac.kr) is with the School of Electronics Engineering, Kyungpook National University, Daegu, Rep. of Korea.;5. Hwi Kim (hwikim@korea.ac.kr) is with the College of Science and Technology, Korea University, Sejong, Rep. of Korea.;6. Cheong Hee Park (cheonghee@cnu.ac.kr) is with the Department of Computer Science and Engineering, Chungnam National University, Daejeon, Rep. of Korea. |