Keyphrases
- computational complexity
- recognition algorithm
- learning algorithm
- improved algorithm
- experimental evaluation
- k means
- optimal solution
- search algorithm
- significant improvement
- np hard
- similarity measure
- probabilistic model
- high accuracy
- input data
- convergence rate
- optimization algorithm
- detection algorithm
- times faster
- data sets
- selection algorithm
- tree structure
- computationally efficient
- objective function
- search space
- lower bound