Keyphrases
- preprocessing
- learning algorithm
- computational complexity
- times faster
- k means
- high accuracy
- probabilistic model
- detection algorithm
- tree structure
- matching algorithm
- experimental evaluation
- np hard
- objective function
- dynamic programming
- cost function
- improved algorithm
- expectation maximization
- convergence rate
- convex hull
- memory requirements
- worst case
- estimation algorithm
- shortest path
- input data
- computational cost
- significant improvement
- similarity measure