Keyphrases
- times faster
- learning algorithm
- detection algorithm
- computational cost
- selection algorithm
- preprocessing
- cost function
- optimal solution
- computational complexity
- experimental evaluation
- theoretical analysis
- simulated annealing
- high accuracy
- optimization algorithm
- segmentation algorithm
- data sets
- expectation maximization
- dynamic programming
- significant improvement
- recognition algorithm
- improved algorithm
- estimation algorithm
- worst case
- linear programming
- probabilistic model
- k means
- tree structure
- objective function
- convergence rate
- similarity measure