Keyphrases
- matching algorithm
- computational complexity
- dynamic programming
- preprocessing
- detection algorithm
- learning algorithm
- times faster
- optimal solution
- linear programming
- experimental evaluation
- optimization algorithm
- expectation maximization
- input image
- worst case
- convergence rate
- significant improvement
- theoretical analysis
- k means
- high accuracy
- recognition algorithm
- improved algorithm
- image matching
- matching process
- tree structure
- clustering method
- probabilistic model
- np hard
- cost function
- search space
- objective function