Keyphrases
- computational complexity
- matching algorithm
- recognition algorithm
- high accuracy
- experimental evaluation
- k means
- estimation algorithm
- optimization algorithm
- dynamic programming
- learning algorithm
- theoretical analysis
- particle swarm optimization
- search space
- computational cost
- expectation maximization
- detection algorithm
- clustering method
- preprocessing
- objective function
- improved algorithm
- input image
- simulated annealing
- computationally efficient
- evolutionary algorithm
- lower bound
- convex hull
- np hard