Keyphrases
- k means
- optimization algorithm
- computational cost
- expectation maximization
- convergence rate
- hierarchical clustering
- detection algorithm
- linear programming
- data sets
- segmentation algorithm
- np hard
- cost function
- times faster
- data clustering
- recognition algorithm
- learning algorithm
- high accuracy
- clustering method
- preprocessing
- computational complexity
- optimal solution
- similarity measure
- graph cuts
- worst case
- experimental evaluation
- significant improvement
- search space
- file system
- clustering algorithm
- cluster centers
- dna computing