Fuzzy Covariance (4 papers)
Robust Fuzzy PCA (RF-PCA)
G. Heo, P. Gader, H. Frigui, "RKF-PCA: Robust kernel fuzzy PCA", Neural Networks, Volume 22, pages 642–650, 2009.
Robust kernel fuzzy PCA (RKF-PCA)
G. Heo, P. Gader, H. Frigui, "RKF-PCA: Robust kernel fuzzy PCA", Neural Networks, Volume 22, pages 642–650, 2009.
Improved RF-PCA (RF-PCA2)
G. Heo, K. Kim, W. Woo, S. Kim, "RF-PCA2: An Improvement on Robust Fuzzy PCA" , Asian Conference on Intelligent Information and Database Systems, ACIIDS 2012, pages 351-360, 2012.
RF-PCA3
G. Heo, S. Kim, Y. Woo, I. Lee."Another Variant of Robust Fuzzy PCA with Initial Membership Estimation", ACIIDS 2011, pages 120–129, 2011.
RPCA-FCD
B. Alkan, S. Ganik, "Robust Principal Component Analysis based on fuzzy coded data", Anadolu University Journal of Science and Technology, Volume 18, No. 3, pages 754-762, 2017.
Fuzzy Clustering (3 papers)
K. Honda, N. Sugiur, H. Ichihashi, “Robust Local Principal Component Analyzer with Fuzzy Clustering", IEEE International Joint Conference on Neural Networks, pages 732-737, 2003.
K. Honda, and H. Ichihashi, “Linear Fuzzy Clustering Techniques with Missing Values and Their Application to Local Principal Component Analysis", IEEE Tranactions on Fuzzy System, Volume 12, No. 2, pages 183-193, 2004.
H. Ichihashi, K. Honda, N. Wakami, "Robust PCA with Intra-Sample Outlier Process Based on Fuzzy Mahalanobis Distances and Noise Clustering", IEEE International Conference on Fuzzy Systems, FUZZ'IEEE 2005, pages 640-645, 2005.