Keyphrases
- learning algorithm
- preprocessing
- computational cost
- improved algorithm
- cost function
- computational complexity
- experimental evaluation
- dynamic programming
- optimization algorithm
- matching algorithm
- significant improvement
- neural network
- np hard
- recognition algorithm
- worst case
- particle swarm optimization
- segmentation algorithm
- data sets
- convergence rate
- classification algorithm
- detection algorithm
- single pass
- theoretical analysis
- linear programming
- high accuracy
- semi supervised
- search space
- similarity measure
- face recognition