Keyphrases
- preprocessing
- dynamic programming
- improved algorithm
- times faster
- matching algorithm
- classification algorithm
- cost function
- np hard
- optimization algorithm
- computational cost
- simulated annealing
- learning algorithm
- experimental evaluation
- high accuracy
- linear programming
- detection algorithm
- significant improvement
- worst case
- expectation maximization
- computationally efficient
- tree structure
- lower bound
- objective function
- recognition algorithm
- data sets