Keyphrases
- learning algorithm
- experimental evaluation
- improved algorithm
- times faster
- matching algorithm
- high accuracy
- computational cost
- cost function
- np hard
- k means
- search space
- theoretical analysis
- optimization algorithm
- detection algorithm
- significant improvement
- worst case
- recognition algorithm
- computational complexity
- convex hull
- iterative algorithms
- classification algorithm
- tree structure
- computationally efficient
- data structure
- objective function