Keyphrases
- times faster
- simulated annealing
- worst case
- experimental evaluation
- cost function
- polynomially bounded
- improved algorithm
- computational cost
- k means
- preprocessing
- computational complexity
- objective function
- np hard
- probabilistic model
- learning algorithm
- input data
- selection algorithm
- detection algorithm
- single pass
- high accuracy
- tree structure
- ant colony optimization
- experimental study
- segmentation algorithm
- theoretical analysis
- significant improvement
- similarity measure