Keyphrases
- computational complexity
- detection algorithm
- randomly generated
- preprocessing
- experimental evaluation
- optimization algorithm
- optimal solution
- selection algorithm
- significant improvement
- cost function
- dynamic programming
- matching algorithm
- times faster
- expectation maximization
- simulated annealing
- worst case
- improved algorithm
- multiscale
- learning algorithm
- classification algorithm
- tree structure
- single pass
- energy function
- theoretical analysis
- linear programming
- high accuracy
- image registration
- state space
- np hard
- evolutionary algorithm
- search space
- objective function
- face recognition