Keyphrases
- computational complexity
- experimental evaluation
- memory requirements
- execution times
- k means
- computational cost
- optimization algorithm
- np hard
- cost function
- space complexity
- recognition algorithm
- detection algorithm
- running times
- computational effort
- learning algorithm
- worst case
- optimal solution
- significant improvement
- high accuracy
- small number
- dynamic programming
- improved algorithm
- times faster
- estimation algorithm
- linear programming
- alphabet size
- convex hull
- matching algorithm
- clustering method
- segmentation algorithm
- computationally efficient
- search space
- preprocessing
- objective function
- similarity measure