Keyphrases
- computational complexity
- times faster
- preprocessing
- learning algorithm
- improved algorithm
- experimental evaluation
- computational cost
- recognition algorithm
- cost function
- dynamic programming
- detection algorithm
- single pass
- optimization algorithm
- probabilistic model
- worst case
- ant colony optimization
- significant improvement
- optimal solution
- convergence rate
- combinatorial optimization
- estimation algorithm
- matching algorithm
- minimum spanning tree
- clustering method
- segmentation algorithm
- computationally efficient
- linear programming
- high accuracy
- np hard
- hidden markov models
- k means
- lower bound