JANGHOON YANG received the Ph.D. degree in electrical engineering from the University of Southern California, Los Angeles, CA, USA, in 2001. From 2001 to 2006, he was with the Communication Research and Development Center, Samsung Electronics. From 2006 to 2010, he was a Research Assistant Professor with the Department of Electrical and Electronic Engineering, Yonsei University. Since 2010, he has been with the Seoul Media Institute of Technology, Seoul, South Korea, where he is currently an Associate Professor with the Department of New Media