Keyphrases
- experimental evaluation
- search space
- cost function
- dynamic programming
- computational cost
- optimization algorithm
- learning algorithm
- preprocessing
- matching algorithm
- times faster
- tree structure
- significant improvement
- probabilistic model
- localization algorithm
- recognition algorithm
- mathematical model
- np hard
- k means
- computational complexity
- optimal solution
- high accuracy
- expectation maximization
- theoretical analysis
- segmentation algorithm
- worst case
- gray scale
- evolutionary algorithm
- improved algorithm
- objective function