Keyphrases
- improved algorithm
- cost function
- np hard
- learning algorithm
- computational complexity
- detection algorithm
- search space
- significant improvement
- dynamic programming
- single pass
- convergence rate
- optimization algorithm
- computationally efficient
- expectation maximization
- preprocessing
- experimental evaluation
- experimental study
- times faster
- recognition algorithm
- similarity measure
- neural network
- upper bound
- computational cost
- clustering method
- matching algorithm
- objective function