Keyphrases
- times faster
- preprocessing
- search space
- k means
- experimental evaluation
- optimal solution
- computational complexity
- dynamic programming
- learning algorithm
- optimization algorithm
- expectation maximization
- recognition algorithm
- high accuracy
- computational cost
- np hard
- improved algorithm
- prediction error
- significant improvement
- particle swarm optimization
- computationally efficient
- detection algorithm
- nonlinear functions
- polynomially bounded
- classification algorithm
- image quality
- simulated annealing
- worst case
- multi objective
- data structure
- image segmentation