Keyphrases
- learning algorithm
- recognition algorithm
- cost function
- experimental evaluation
- optimization algorithm
- times faster
- computational complexity
- dynamic programming
- improved algorithm
- k means
- expectation maximization
- linear programming
- matching algorithm
- computationally efficient
- neural network
- np hard
- objective function
- similarity measure
- input data
- computational cost
- theoretical analysis
- search space
- detection algorithm
- experimental study
- lower bound
- convergence rate
- image processing
- estimation algorithm