A Sample-Based Algorithm for Visual Assessment of Cluster Tendency (VAT) with Large Datasets.
Le Hong TrangPham Van NgoanNguyen Van DucPublished in: FDSE (2018)
Keyphrases
- k means
- dynamic programming
- experimental evaluation
- learning algorithm
- optimization algorithm
- optimal solution
- hierarchical clustering
- theoretical analysis
- data clustering
- times faster
- detection algorithm
- convergence rate
- computational cost
- preprocessing
- computational complexity
- recognition algorithm
- high accuracy
- simulated annealing
- cost function
- search space
- improved algorithm
- subspace clustering
- visual information
- particle swarm optimization
- probabilistic model
- data structure
- face recognition