Keyphrases
- high accuracy
- np hard
- preprocessing
- learning algorithm
- significant improvement
- cost function
- experimental evaluation
- objective function
- optimization algorithm
- improved algorithm
- times faster
- detection algorithm
- segmentation algorithm
- worst case
- computational cost
- k means
- computational complexity
- optimal solution
- probabilistic model
- search space
- computationally efficient
- recognition algorithm
- clustering method
- matching algorithm
- scoring function
- neural network
- pagerank algorithm
- theoretical analysis
- expectation maximization
- dynamic programming
- information retrieval