Keyphrases
- k means
- computational cost
- detection algorithm
- improved algorithm
- preprocessing
- recognition algorithm
- times faster
- dynamic programming
- optimization algorithm
- high accuracy
- learning algorithm
- expectation maximization
- computational complexity
- np hard
- selection algorithm
- tree structure
- graph cuts
- worst case
- input data
- simulated annealing
- experimental evaluation
- cost function
- significant improvement
- high resolution
- optimal solution
- image segmentation