Measurement of the fatigue-crack using image processing techniques. - D. H. Ryu; T. W. Choi; Yong-Il Kim; Seung Hoon Nahm (KES, 2000)

Visible light communication using TDMA optical beamforming. - Sung-Man Kim; Myeong-Woon Baek; Seung Hoon Nahm (EURASIP J. Wirel. Commun. Netw., 2017)