Gray-Scale Thinning Algorithm Using Local Min/Max Operations. - Kyoung Min Kim; Buhm Lee; Nam Sup Choi; Gwan Hee Kang; Joong Jo Park; Ching Y. Suen (Document Analysis Systems, 2006)

Distribution System Evaluation Algorithm Using Analytic Hierarchy Process. - Buhm Lee; Chang-Ho Choi; Nam Sup Choi; Kyoung Min Kim; Yong-Ha Kim; Sang-Kyu Choi; Sakis A. Meliopoulos (IEA/AIE, 2006)