Keyphrases
- objective function
- detection algorithm
- computational cost
- search space
- optimization algorithm
- recognition algorithm
- dynamic programming
- optimal solution
- experimental evaluation
- improved algorithm
- matching algorithm
- computationally efficient
- preprocessing
- computational complexity
- high accuracy
- linear programming
- nonnegative matrix factorization
- neural network
- method finds
- theoretical analysis
- simulated annealing
- worst case
- least squares
- probabilistic model
- cost function
- k means