Keyphrases
- improved algorithm
- times faster
- high accuracy
- preprocessing
- search space
- cost function
- dynamic programming
- computational cost
- np hard
- experimental evaluation
- particle swarm optimization
- detection algorithm
- significant improvement
- convergence rate
- matching algorithm
- selection algorithm
- experimental study
- single pass
- worst case
- theoretical analysis
- maximum likelihood
- simulated annealing
- data sets
- probabilistic model
- k means
- objective function
- face recognition
- neural network