A 16-competitive algorithm for hierarchical median problem.
Wenqiang DaiPublished in: Sci. China Inf. Sci. (2014)
Keyphrases
- computational complexity
- learning algorithm
- theoretical analysis
- high accuracy
- experimental evaluation
- objective function
- preprocessing
- search space
- convergence rate
- times faster
- matching algorithm
- computational cost
- improved algorithm
- computationally efficient
- selection algorithm
- classification algorithm
- optimization algorithm
- segmentation algorithm
- binary tree
- dynamic programming
- np hard
- particle swarm optimization
- simulated annealing
- worst case
- hierarchical clustering
- significant improvement
- multiscale
- image sequences
- decision trees