Keyphrases
- k means
- computational complexity
- computational cost
- objective function
- improved algorithm
- preprocessing
- search space
- detection algorithm
- dynamic programming
- simulated annealing
- computationally efficient
- worst case
- clustering method
- matching algorithm
- recognition algorithm
- optimization algorithm
- high accuracy
- expectation maximization
- learning algorithm
- cost function
- optimal solution
- theoretical analysis
- experimental evaluation
- np hard
- significant improvement
- image matching
- times faster
- data clustering
- search algorithm
- clustering quality