Robust filtering for linear discrete-time systems with parametric uncertainties: a Krein space estimation approach. - Tea Hoon Lee; Won-Sang Ra; Tae Sung Yoon; Jin Bae Park; Soo Yul Jung; Joong Eon Seo (CDC, 2003)

Implementation of an image stabilization system for a small digital camera. - Jung-Ho Moon; Soo Yul Jung (IEEE Trans. Consumer Electron., 2008)