Keyphrases
- learning algorithm
- optimization algorithm
- improved algorithm
- preprocessing
- matching algorithm
- computational cost
- theoretical analysis
- times faster
- high accuracy
- np hard
- data sets
- worst case
- simulated annealing
- expectation maximization
- detection algorithm
- classification algorithm
- convergence rate
- experimental evaluation
- objective function
- dynamic programming
- significant improvement
- neural network
- optimal solution
- image enhancement
- computational complexity
- k means
- mathematical model
- clustering method
- least squares
- multi objective
- hidden markov models
- computationally efficient
- particle swarm optimization
- input data
- probabilistic model