Leong, PeiArulampalam, SanjeevLamahewa, TharakaAbhayapala, Thushara2015-12-101070-9908http://hdl.handle.net/1885/69395This letter presents a Gaussian-sum cubature Kalman filter with improved robustness compared to the original algorithm proposed by the authors in , which demonstrated excellent accuracy and efficiency for the bearings-only tracking problem. ModificationsGaussian-sum cubature kalman filter with improved robustness for bearings-only tracking201410.1109/LSP.2014.23070752015-12-10