He is a Humboldt Research Fellow with the Alexander von Humboldt Foundation , hosted by Chair of Multimedia Communications and Signal Processing , University of Erlangen-Nuremberg , Germany from 2015 . Before that, he was a postdoctoral researcher with the Biomedical Research Imaging Center , University of North Carolina at Chapel Hill , USA in 2014. He received the Ph.D. Degree with the Coding and Visual Communication Group , Technical University of Denmark , Denmark in 2013 . He received the M.Sc. degree in computer engineering and information technology from University of Ulsan , South Korea, in 2009 .