Keyphrases
- preprocessing
- improved algorithm
- experimental evaluation
- times faster
- computational cost
- learning algorithm
- k means
- distance matrix
- cost function
- optimization algorithm
- computationally efficient
- computational complexity
- selection algorithm
- distance metric
- dynamic programming
- significant improvement
- clustering method
- high accuracy
- distance transform
- distance measure
- matching algorithm
- worst case
- np hard
- single pass