Keyphrases
- dynamic programming
- learning algorithm
- recognition algorithm
- detection algorithm
- computational complexity
- computational cost
- cost function
- experimental evaluation
- image processing
- improved algorithm
- optimization algorithm
- segmentation algorithm
- np hard
- k means
- search space
- preprocessing
- similarity measure
- simulated annealing
- linear programming
- search algorithm
- experimental study
- tree structure
- matching algorithm
- times faster
- face recognition
- space complexity