Nearest neighbor and validity-based clustering. - Seo Ho Son; Suk Tae Seo; Soon Hak Kwon (Int. J. Fuzzy Log. Intell. Syst., 2004)

Co-occurrence Matrix-Based Image Segmentation. - Suk Tae Seo; In Keun Lee; Seo Ho Son; Hyong Gun Lee; Soon Hak Kwon (IEICE Trans. Inf. Syst., 2010)