Keyphrases
- error bounds
- approximation ratio
- closed form
- np hard
- optimal solution
- improved algorithm
- times faster
- preprocessing
- experimental evaluation
- high accuracy
- matching algorithm
- computational cost
- approximation algorithms
- learning algorithm
- error tolerance
- detection algorithm
- computationally efficient
- computational complexity
- objective function
- expectation maximization
- linear programming
- linear computational complexity
- optimization algorithm
- dynamic programming
- polynomial time approximation
- cost function
- k means
- similarity measure
- discrete random variables
- genetic algorithm
- approximation guarantees
- increase in computational complexity
- approximation methods
- pointwise
- tree structure
- clustering method
- segmentation algorithm
- probabilistic model
- video sequences