Keyphrases
- k means
- improved algorithm
- clustering method
- detection algorithm
- preprocessing
- dynamic programming
- computational complexity
- expectation maximization
- particle swarm optimization
- high accuracy
- worst case
- experimental evaluation
- self organizing maps
- data analysis
- matching algorithm
- data clustering
- learning algorithm
- hierarchical clustering
- synthetic and real datasets
- computational cost
- cost function
- optimal solution
- unsupervised learning
- probabilistic model
- recognition algorithm
- categorical data
- subspace clustering
- neural network
- hierarchical clustering algorithm