Keyphrases
- optimization algorithm
- detection algorithm
- preprocessing
- learning algorithm
- improved algorithm
- theoretical analysis
- computationally efficient
- cost function
- experimental evaluation
- objective function
- high accuracy
- computational cost
- probabilistic model
- np hard
- times faster
- significant improvement
- k means
- neural network
- maximum variance
- recognition algorithm
- highly efficient
- data sets
- ant colony optimization
- segmentation algorithm
- particle swarm optimization
- computational complexity
- optimal solution
- databases