Keyphrases
- k means
- learning algorithm
- computational cost
- times faster
- detection algorithm
- preprocessing
- experimental evaluation
- expectation maximization
- machine learning
- objective function
- computational complexity
- theoretical analysis
- dynamic programming
- computationally efficient
- provably correct
- optimization algorithm
- worst case
- np hard
- high accuracy
- motion estimation
- significant improvement
- search space
- clustering method
- energy function
- tree structure
- image segmentation
- selection algorithm
- clustering algorithm