Keyphrases
- cost function
- objective function
- optimization algorithm
- detection algorithm
- improved algorithm
- preprocessing
- computationally efficient
- optimal solution
- search space
- theoretical analysis
- estimation algorithm
- np hard
- computational complexity
- computational cost
- matching algorithm
- high accuracy
- times faster
- recognition algorithm
- experimental evaluation
- similarity measure
- selection algorithm
- k means
- probabilistic model
- expectation maximization
- simulated annealing
- higher order
- image processing
- significant improvement
- artificial neural networks
- decision trees