Keyphrases
- cost function
- k means
- clustering algorithm
- hierarchical clustering
- median filter
- data clustering
- clustering method
- expectation maximization
- self organizing maps
- objective function
- global minimum
- neural network
- cluster analysis
- fuzzy clustering algorithm
- fuzzy k means
- initial cluster centers
- squared euclidean distance
- spectral clustering
- expected cost
- text clustering
- unsupervised clustering
- clustering approaches
- constrained clustering
- high dimensional data
- agglomerative hierarchical clustering
- unsupervised learning
- video sequences
- variable weighting
- data sets