[1] Samsung Elect Co Ltd, Telecommun R&D Ctr, Suwon, South Korea
[2] Paichai Univ, Dept Game Engn, Daejeon, South Korea
[3] Jeju Natl Univ, Dept Comp Engn, Jeju City, South Korea
[4] Fraunhofer Inst Prod Syst & Design Technol Appl R, Berlin, Germany
[5] Kyushu Inst Technol, Kitakyushu, Fukuoka, Japan
[6] Kyushu Inst Technol, NDRC, Kitakyushu, Fukuoka, Japan
[7] Kyushu Inst Technol, Grad Sch Creat Informat, Kitakyushu, Fukuoka, Japan
[8] Manchester Metropolitan Univ, Dept Comp & Math, Manchester, Lancs, England
[9] Univ Faroe Isl, Fac Sci & Technol, ICT, Torshavn, Denmark
[10] Osaka Univ, Suita, Osaka, Japan
[11] Nara Natl Coll Technol, Yamato Koriyama, Japan
[12] Natl Fus Res Inst, Daejeon, South Korea
[13] Southern Power Co Ltd, Busan, South Korea
[14] Seoul Metropolitan Govt, Seoul, South Korea
[15] Univ Southern Calif, Ming Hsieh Dept Elect Engn, Comp Engn Div, Los Angeles, CA 90007 USA
[16] New Mexico State Univ, Dept Comp Sci, Las Cruces, NM 88003 USA