Keyphrases
- search space
- learning algorithm
- improved algorithm
- computational complexity
- preprocessing
- space complexity
- recognition algorithm
- worst case
- cost function
- k means
- np hard
- dynamic programming
- significant improvement
- graph structure
- path planning
- detection algorithm
- segmentation algorithm
- data sets
- objective function
- clustering method
- optimization algorithm
- theoretical analysis
- computationally efficient
- particle swarm optimization
- simulated annealing
- computational cost
- similarity measure
- experimental evaluation