Keyphrases
- dynamic programming
- computational complexity
- theoretical analysis
- detection algorithm
- computational cost
- similarity measure
- matching algorithm
- significant improvement
- k means
- recognition algorithm
- cost function
- np hard
- times faster
- experimental evaluation
- path planning
- convergence rate
- classification algorithm
- improved algorithm
- estimation algorithm
- simulated annealing
- high accuracy
- lower bound
- preprocessing
- expectation maximization
- clustering method
- tree structure
- worst case
- mobile devices
- objective function
- data sets