Keyphrases
- times faster
- theoretical analysis
- optimal solution
- computational complexity
- learning algorithm
- high accuracy
- np hard
- similarity measure
- optimization algorithm
- computational cost
- experimental evaluation
- cost function
- significant improvement
- recognition algorithm
- improved algorithm
- simulated annealing
- expectation maximization
- particle swarm optimization
- worst case
- k means
- preprocessing
- input data
- segmentation algorithm
- detection algorithm
- convergence rate
- evolutionary algorithm
- magnetic resonance imaging
- magnetic resonance images