Keyphrases
- k means
- clustering method
- experimental evaluation
- dynamic programming
- data clustering
- input data
- learning algorithm
- optimization algorithm
- preprocessing
- hierarchical clustering
- search space
- times faster
- expectation maximization
- np hard
- objective function
- high accuracy
- detection algorithm
- theoretical analysis
- particle swarm optimization
- clustering algorithm
- optimal solution
- simulated annealing
- cost function
- significant improvement
- segmentation algorithm
- lower bound
- computational complexity
- data structure
- similarity measure
- image segmentation
- highly efficient