Hierarchical local symmetries. - Kyugon Cho; Stanley M. Dunn (Pattern Recognit. Lett., 1991)

Shape-based object recognition by inductive learning. - Kyugon Cho; Stanley M. Dunn (ICPR (2), 1992)

Learning Shape Classes. - Kyugon Cho; Stanley M. Dunn (IEEE Trans. Pattern Anal. Mach. Intell., 1994)