Keyphrases
- dynamic programming
- experimental evaluation
- learning algorithm
- objective function
- cost function
- computational complexity
- improved algorithm
- k means
- probabilistic model
- detection algorithm
- theoretical analysis
- expectation maximization
- alpha beta
- estimation algorithm
- selection algorithm
- recognition algorithm
- worst case
- significant improvement
- preprocessing
- particle swarm optimization
- input data
- computationally efficient
- linear programming
- high accuracy
- ant colony optimization
- tree structure
- times faster
- convergence rate
- face recognition
- neural network