Keyphrases
- preprocessing
- computational cost
- space complexity
- optimal solution
- worst case
- learning algorithm
- linear complexity
- improved algorithm
- recognition algorithm
- experimental evaluation
- k means
- convergence rate
- matching algorithm
- detection algorithm
- theoretical analysis
- information retrieval
- cost function
- computational complexity
- search space
- times faster
- particle swarm optimization
- linear programming
- significant improvement
- dynamic programming
- segmentation algorithm
- input data
- information retrieval systems
- memory requirements
- simulated annealing
- benchmark problems
- similarity measure
- np hard