Keyphrases
- times faster
- k means
- detection algorithm
- preprocessing
- dynamic programming
- high accuracy
- significant improvement
- np hard
- theoretical analysis
- expectation maximization
- experimental evaluation
- estimation algorithm
- optimal solution
- objective function
- cost function
- computational complexity
- worst case
- improved algorithm
- similarity measure
- computationally efficient
- image processing
- space complexity
- convergence rate
- tree structure
- data sets
- clustering method
- optimization algorithm
- particle swarm optimization
- linear programming
- simulated annealing
- hidden markov models
- neural network