Keyphrases
- computational complexity
- significant improvement
- optimization algorithm
- theoretical analysis
- high accuracy
- experimental evaluation
- matching algorithm
- simulated annealing
- cost function
- k means
- search space
- preprocessing
- learning algorithm
- dynamic programming
- computational cost
- times faster
- particle swarm optimization
- selection algorithm
- np hard
- tree structure
- improved algorithm
- recognition algorithm
- memory requirements
- data sets
- detection algorithm
- segmentation algorithm
- expectation maximization
- input data
- least squares
- probabilistic model
- optimal solution
- neural network