[4] JULIER S J, UHLMANN J K.A non-divergent estimation algorithm in the presence of unknown correlations[C]//Proceedings of the American Control Conference, IEEE, 1997:2369-2373.
[6] LIANG X X, FAN C J, XIU B X, et al.Evaluation algorithm for clustering quality based on information entropy[C]//IEEE International Conference on Big Data Analysis, 2016:32-36.