Keyphrases
- expectation maximization
- high accuracy
- times faster
- cost function
- significant improvement
- search space
- theoretical analysis
- experimental evaluation
- dynamic programming
- recognition algorithm
- preprocessing
- learning algorithm
- np hard
- optimal solution
- space complexity
- worst case
- classification algorithm
- linear programming
- computationally efficient
- improved algorithm
- estimation algorithm
- data sets
- single pass
- simulated annealing
- computational cost
- k means
- search algorithm
- objective function
- multiscale
- similarity measure