Keyphrases
- dynamic programming
- times faster
- np hard
- experimental evaluation
- learning algorithm
- computational complexity
- preprocessing
- improved algorithm
- worst case
- optimal solution
- matching algorithm
- clustering method
- computational cost
- high accuracy
- detection algorithm
- recognition algorithm
- k means
- hardware implementation
- estimation algorithm
- probabilistic model
- expectation maximization
- theoretical analysis
- experimental study
- cost function
- significant improvement