Keyphrases
- optimization algorithm
- computational cost
- learning algorithm
- times faster
- computational complexity
- preprocessing
- dynamic programming
- experimental evaluation
- expectation maximization
- improved algorithm
- recognition algorithm
- experimental study
- np hard
- objective function
- simulated annealing
- multiscale
- theoretical analysis
- segmentation algorithm
- memory requirements
- detection algorithm
- matching algorithm
- estimation algorithm
- k means
- metaheuristic
- significant improvement
- clustering method
- hidden markov models
- computationally efficient
- neural network
- maximum likelihood