Keyphrases
- k means
- clustering method
- learning algorithm
- dynamic programming
- detection algorithm
- objective function
- cluster analysis
- computational complexity
- computationally efficient
- variable selection
- times faster
- segmentation algorithm
- expectation maximization
- hierarchical clustering
- worst case
- experimental evaluation
- cost function
- search space
- preprocessing
- rough k means
- improved algorithm
- high accuracy
- np hard
- space complexity
- optimization algorithm
- similarity measure
- matching algorithm
- simulated annealing
- state variables
- clustering approaches
- theoretical analysis
- linear programming
- probabilistic model
- computational cost
- video sequences
- data structure
- image segmentation
- decision trees