Keyphrases
- times faster
- cost function
- estimation algorithm
- detection algorithm
- convergence rate
- segmentation algorithm
- learning algorithm
- improved algorithm
- optimization algorithm
- computationally efficient
- high accuracy
- np hard
- significant improvement
- preprocessing
- data sets
- simulated annealing
- recognition algorithm
- theoretical analysis
- objective function
- search space
- similarity measure
- selection algorithm
- convex hull
- ant colony optimization
- clustering method
- worst case
- experimental evaluation
- expectation maximization
- input data
- probabilistic model