Keyphrases
- improved algorithm
- cost function
- k means
- dynamic programming
- computational cost
- learning algorithm
- preprocessing
- optimization algorithm
- np hard
- times faster
- matching algorithm
- clustering method
- detection algorithm
- computationally efficient
- recognition algorithm
- worst case
- experimental evaluation
- significant improvement
- convergence rate
- estimation algorithm
- single pass
- simulated annealing
- tree structure
- theoretical analysis
- expectation maximization
- high accuracy
- search space
- data streams
- optimal solution