Keyphrases
- np hard
- experimental evaluation
- k means
- randomly generated
- times faster
- cost function
- significant improvement
- search space
- improved algorithm
- optimal solution
- dynamic programming
- learning algorithm
- simulated annealing
- segmentation algorithm
- convergence rate
- high accuracy
- expressive power
- matching algorithm
- computational cost
- preprocessing
- objective function
- optimization algorithm
- clustering method
- np complete
- worst case
- convex hull
- recognition algorithm
- similarity measure