Keyphrases
- preprocessing
- learning algorithm
- objective function
- detection algorithm
- optimization algorithm
- expectation maximization
- significant improvement
- cost function
- np hard
- experimental evaluation
- classification algorithm
- experimental study
- matching algorithm
- simulated annealing
- improved algorithm
- dynamic programming
- computational cost
- nearest neighbor
- convergence rate
- k means
- computational complexity
- selection algorithm
- recognition algorithm
- data sets
- estimation algorithm
- computationally efficient
- worst case
- reinforcement learning
- similarity measure
- face recognition
- genetic algorithm