Keyphrases
- improved algorithm
- cost function
- preprocessing
- computational cost
- k means
- objective function
- optimization algorithm
- detection algorithm
- theoretical analysis
- np hard
- learning algorithm
- dynamic programming
- experimental evaluation
- convergence rate
- high accuracy
- computational complexity
- times faster
- matching algorithm
- tree structure
- clustering method
- frequency domain
- spectral analysis
- segmentation algorithm
- expectation maximization
- particle swarm optimization
- linear programming
- simulated annealing
- multi objective
- evolutionary algorithm
- image analysis
- optimal solution