Keyphrases
- computational complexity
- optimization algorithm
- preprocessing
- times faster
- recognition algorithm
- detection algorithm
- cost function
- np hard
- expectation maximization
- dynamic programming
- theoretical analysis
- experimental study
- ant colony optimization
- probabilistic model
- experimental evaluation
- k means
- search space
- learning algorithm
- convex hull
- computationally efficient
- linear programming
- worst case
- least squares
- significant improvement
- selection algorithm
- convergence rate
- improved algorithm
- path planning
- classification algorithm
- tree structure
- objective function