Iterative learning control with feedback using Fourier series with application to robot trajectory tracking. - Jong-Woon Lee; Hak-Sung Lee; Zeungnam Bien (Robotica, 1993)

A note on convergence property of iterative learning controller with respect to sup norm. - Hak-Sung Lee; Zeungnam Bien (Autom., 1997)

Design Issues on Robustness and Convergence of Iterative Learning Controller. - Hak-Sung Lee; Zeungnam Bien (Intell. Autom. Soft Comput., 2002)

A Real Time Color Gamut Mapping Method Using a Neural Network. - Hak-Sung Lee; Dongil Han (ICNC (2), 2005)

Real-Time Color Correction Method for a Low-Cost Still/Video Camera. - Dongil Han; Hak-Sung Lee; Chan Im; Seong Joon Yoo (IEICE Trans. Inf. Syst., 2009)

A real time color gamut mapping using tetrahedral interpolation for digital tv color reproduction enhancement. - Hak-Sung Lee; Kyung-Seok Kim; Dongil Han (IEEE Trans. Consumer Electron., 2009)