Keyphrases
- times faster
- preprocessing
- high accuracy
- computational cost
- simulated annealing
- significant improvement
- learning algorithm
- computationally efficient
- expectation maximization
- worst case
- experimental evaluation
- dynamic programming
- k means
- optimal solution
- np hard
- sparse matrix
- recognition algorithm
- convergence rate
- data sets
- optimization algorithm
- search space
- theoretical analysis
- detection algorithm
- clustering method
- decision trees
- convex hull
- objective function
- maximum likelihood