An O(lg lg OPT)-Approximation Algorithm for Multi-guarding Galleries.
David G. KirkpatrickPublished in: Discret. Comput. Geom. (2015)
Keyphrases
- improved algorithm
- dynamic programming
- matching algorithm
- computationally efficient
- high accuracy
- computational cost
- cost function
- computational complexity
- experimental evaluation
- error bounds
- linear programming
- closed form
- optimization algorithm
- times faster
- segmentation algorithm
- convex hull
- theoretical analysis
- objective function
- expectation maximization
- significant improvement
- k means
- search space
- optimal solution
- hidden markov models
- tree structure
- monte carlo
- preprocessing
- data structure
- recognition algorithm
- selection algorithm
- learning algorithm
- randomized algorithm
- approximation schemes