1-Local 7/5-Competitive Algorithm for Multicoloring Hexagonal Graphs.
Petra SparlRafal WitkowskiJanez ZerovnikPublished in: Algorithmica (2012)
Keyphrases
- preprocessing
- learning algorithm
- computational cost
- detection algorithm
- objective function
- dynamic programming
- np hard
- search space
- optimization algorithm
- matching algorithm
- significant improvement
- recognition algorithm
- optimal solution
- image processing
- worst case
- graph model
- graph isomorphism
- polynomial time complexity
- expectation maximization
- high accuracy
- k means
- linear programming
- particle swarm optimization
- segmentation algorithm
- neural network
- probabilistic model
- experimental evaluation
- convergence rate
- graph structure
- computational complexity
- competitive ratio
- adjacency graph
- video sequences
- decision trees
- finding the shortest path