A text localization algorithm in images for automatic recognition of slab identification numbers. - SungHoo Choi; Jong Pil Yun; Keunhwi Koo; Jong Hyun Choi; Sang Woo Kim (ECC, 2009)

Localizing slab identification numbers in factory scene images. - SungHoo Choi; Jong Pil Yun; Keunhwi Koo; Sang Woo Kim (Expert Syst. Appl., 2012)

A Variable Step Size for Normalized Subband Adaptive Filters. - Jae Jin Jeong; Keunhwi Koo; Gyu Tae Choi; Sang Woo Kim (IEEE Signal Process. Lett., 2012)

Design for layer jump in optical disc drives using internal state manipulation. - Soo-Yong Kim; Keunhwi Koo; Jung Rae Ryoo; Sang Woo Kim (IEEE Trans. Consumer Electron., 2012)

Real-time adjustment of power management policy for a time-based power control architecture. - Soo-Yong Kim; Chaehag Yi; Tomas Scherrer; Suk Won Kim; Keunhwi Koo; Sang Woo Kim (IECON, 2013)

Variable regularization for normalized subband adaptive filter. - Jae Jin Jeong; Keunhwi Koo; Gyogwon Koo; Sang Woo Kim (Signal Process., 2014)

Steady-state mean-square deviation analysis of improved normalized subband adaptive filter. - Jae Jin Jeong; Keunhwi Koo; Gyogwon Koo; Sang Woo Kim (Signal Process., 2015)