Keyphrases
- computational complexity
- preprocessing
- search space
- experimental study
- learning algorithm
- computational cost
- dynamic programming
- worst case
- improved algorithm
- matching algorithm
- detection algorithm
- experimental evaluation
- cost function
- np hard
- probabilistic model
- times faster
- theoretical analysis
- optimization algorithm
- mathematical model
- optimal solution
- feature selection
- recognition algorithm
- case study
- classification algorithm
- clustering method
- user interface
- expectation maximization
- simulated annealing
- high accuracy
- significant improvement