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	Szare klastrowanie: klasyfikacja oparta na wybielaniu w warunkach niepewności	Klastrowanie rozmyte C-średnich (FCM)
Dziedzina	Obliczenia miękkie	Uczenie maszynowe
Rodzina	Machine learning	Machine learning
Rok powstania	2010	1981
Twórca	Julong Deng; Sifeng Liu	Joseph Dunn; James Bezdek
Typ	Whitenization-based soft clustering	Soft (fuzzy) partitional clustering
Źródło pierwotne	Liu, S., & Lin, Y. (2010). Grey Systems: Theory and Applications. Springer. ISBN: 978-3-642-13937-6	Dunn, J. C. (1973). A fuzzy relative of the ISODATA process and its use in detecting compact well-separated clusters. Journal of Cybernetics, 3(3), 32–57.
Inne nazwy	Grey Whitenization Weight Function Clustering, Grey Fixed-Weight Clustering, Grey Variable-Weight Clustering, Gri Kümeleme	FCM, fuzzy clustering, soft k-means, bulanık c-ortalama kümeleme
Pokrewne	2	3
Podsumowanie	Grey Clustering is a classification method from grey systems theory that assigns objects to predefined grey classes using whitenization weight functions. Developed within the framework of Deng Julong's grey system theory and systematized by Sifeng Liu, it is particularly suited for situations involving small sample sizes, incomplete information, or uncertain data—conditions common in engineering assessments, environmental monitoring, and socioeconomic evaluation. The method quantifies how strongly each object belongs to each grey class and makes a crisp assignment based on maximum clustering coefficients.	Fuzzy C-Means is a soft clustering algorithm in which every data point belongs to every cluster with a graded membership between 0 and 1, rather than being assigned to exactly one cluster. Originated by Joseph Dunn in 1973 and generalized by James Bezdek in 1981, it minimizes a fuzzy-weighted within-cluster variance, making it well suited to data whose groups overlap or have no sharp boundaries.