Yoonsik Choe received a BS degree in electrical engineering from Yonsei University, Seoul, South Korea in 1979, the MSEE degree in systems engineering from Case Western Reserve University, Cleveland, OH, USA in 1984, an MS degree in electrical engineering from Pennsylvania State University, State College, PA, USA in 1987, and a PhD degree in electrical engineering from Purdue University, West Lafayette, IN, USA in 1990. From 1990 to 1993, he was a principal research staff member with the Industrial Electronics Research Center, Hyundai Electronics Company Ltd. Since 1993, he has been with the Department of Electrical and Electronic Engineering, Yonsei University, where he is currently a professor. His research interests include video coding, video communication, statistical signal processing, and digital image processing.