Keyphrases
- objective function
- cost function
- np hard
- tree structure
- optimization algorithm
- preprocessing
- k means
- detection algorithm
- dynamic programming
- clustering method
- experimental study
- computationally efficient
- linear programming
- experimental evaluation
- significant improvement
- optimal solution
- selection algorithm
- convergence rate
- memory requirements
- classification algorithm
- simulated annealing
- recognition algorithm
- improved algorithm
- theoretical analysis
- expectation maximization
- genetic algorithm
- worst case
- computational cost
- computational complexity
- multiscale
- learning algorithm