Recursive robust H∞ filtering within the framework of set-valued estimation. - Won-Sang Ra; Seung Hee Jin; Tae Sung Yoon; Jin Bae Park (CDC, 2004)

Robust Extended Kalman Filtering via Krein Space Estimation. - Tae Hoon Lee; Won-Sang Ra; Seung Hee Jin; Tae Sung Yoon; Jin Bae Park (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2004)