Keyphrases
- experimental evaluation
- optimization algorithm
- learning algorithm
- times faster
- k means
- improved algorithm
- cost function
- probabilistic model
- high accuracy
- computational complexity
- preprocessing
- np hard
- linear programming
- segmentation algorithm
- recognition algorithm
- convex hull
- space complexity
- matching algorithm
- single pass
- computational cost
- optimal solution
- image segmentation
- theoretical analysis
- particle swarm optimization
- worst case
- experimental study
- significant improvement
- objective function
- bayesian networks
- data sets