Keyphrases
- detection algorithm
- experimental evaluation
- times faster
- selection algorithm
- recognition algorithm
- optimal solution
- preprocessing
- learning algorithm
- high accuracy
- worst case
- tree structure
- theoretical analysis
- expectation maximization
- probabilistic model
- computational cost
- significant improvement
- search space
- maximum likelihood
- convergence rate
- classification algorithm
- improved algorithm
- clustering method
- optimization algorithm
- computationally efficient
- linear programming
- dynamic programming
- objective function