- PCA with Support Vector Classifier
- PCA with K-Nearest Neighbors
- PCA with Nearest Class Centroid
- KPCA + LDA with Support Vector Classifier
- KPCA + LDA with K-Nearest Neighbors
- KPCA + LDA with Nearest Class Centroid
- LLE + Spectral Clustering
- Data visualization (Clusters' centers - Voronoi regions)