基于密度峰值和网格的自动选定聚类中心算法 (Automatically Selecting Clustering Centers Algorithm Based on Density Peak and Grid).
Qingya XiaPublished in: 计算机科学 (2017)
Keyphrases
- k means
- optimization algorithm
- experimental evaluation
- selection algorithm
- times faster
- clustering method
- search space
- learning algorithm
- particle swarm optimization
- preprocessing
- worst case
- computational cost
- feature selection
- unsupervised learning
- high accuracy
- probabilistic model
- cost function
- clustering algorithm
- optimal solution
- np hard
- high dimensional
- lower bound
- input data
- computational complexity
- expectation maximization
- data structure
- data points
- objective function
- matching algorithm
- similarity measure
- data clustering
- density function
- cluster centers
- unsupervised manner
- square grid