A Hybrid Clustering Approach for Bag-of-Words Image Categorization

Table 2

Proper number of clusters given by four cluster validity indexes.

Dataset	Number of attributes	True Clusters	DB	CH	KL
Iris	4	3	2	3	3	3
Wine	13	3	2	7	3	3
Breast-Cancer-Wisconsin	11	2	4	2	3	2