Keyphrases
- np hard
- detection algorithm
- times faster
- computational complexity
- learning algorithm
- dynamic programming
- optimal solution
- estimation algorithm
- improved algorithm
- optimization algorithm
- linear programming
- experimental evaluation
- objective function
- computationally efficient
- energy function
- preprocessing
- computational cost
- neural network
- similarity measure
- matching algorithm
- tree structure
- worst case
- probabilistic model
- search algorithm
- clustering method
- segmentation algorithm
- theoretical analysis
- classification algorithm
- cost function
- simulated annealing
- recognition algorithm