Keyphrases
- dynamic programming
- experimental evaluation
- graph based algorithm
- detection algorithm
- learning algorithm
- preprocessing
- search space
- clustering method
- cost function
- np hard
- computational cost
- expectation maximization
- similarity measure
- graph structure
- matching algorithm
- tree structure
- objective function
- optimal solution
- k means
- evolutionary algorithm
- search algorithm
- maximum flow
- shortest path problem
- graph model
- recognition algorithm
- convergence rate
- times faster
- simulated annealing
- ant colony optimization
- significant improvement
- segmentation algorithm
- random walk
- probabilistic model
- linear programming