Keyphrases
- computational complexity
- cost function
- optimization algorithm
- experimental evaluation
- np hard
- data sets
- high accuracy
- worst case
- theoretical analysis
- dynamic programming
- k means
- times faster
- learning algorithm
- detection algorithm
- memory requirements
- recognition algorithm
- improved algorithm
- genetic algorithm
- computational cost
- objective function
- input data
- particle swarm optimization
- probabilistic model
- significant improvement
- clustering method
- preprocessing
- search algorithm
- convergence rate
- selection algorithm
- similarity measure