Keyphrases
- dynamic programming
- k means
- improved algorithm
- recognition algorithm
- preprocessing
- learning algorithm
- linear programming
- times faster
- particle swarm optimization algorithm
- computational complexity
- optimal solution
- objective function
- computational efficiency
- matching algorithm
- detection algorithm
- particle swarm optimizer
- optimization algorithm
- segmentation algorithm
- theoretical analysis
- particle swarm optimization
- computational cost
- cost function
- worst case
- clustering method
- knn
- differential evolution
- experimental evaluation
- np hard
- significant improvement
- similarity measure