Wonjun Hwang received both B.S. and M.S. degrees from the Department of Electronics Engineering, Korea University, Korea, in 1999 and 2001, respectively, and Ph.D. degree in Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), Korea, in 2016. From 2001 to 2008, he was a research staff member in Samsung Advanced Institute of Technology (SAIT), Korea, where he contributed to the promotion of Advanced Face Descriptor, Samsung and NEC joint proposal, to MPEG-7 international standardization in 2004. He proposed the SAIT face recognition engine which achieved the best results under the uncontrolled illumination situation at Face Recognition Grand Cha...