Improved K-means algorithm for clustering non-spherical data.
Honglei HeYuxuan HeFang WangWenming ZhuPublished in: Expert Syst. J. Knowl. Eng. (2022)
Keyphrases
- k means
- spectral clustering
- cluster centers
- clustering analysis
- clustering method
- data clustering
- input data
- clustering result
- clustering algorithm
- hierarchical clustering algorithm
- unsupervised clustering
- improved algorithm
- noisy data
- data points
- expectation maximization
- hierarchical clustering
- objective function
- data reduction
- self organizing maps
- similarity matrix
- data structure
- sufficient statistics
- rough k means
- cluster structure
- fuzzy c means
- training data
- synthetic datasets
- dense regions
- fuzzy k means
- document clustering
- detection algorithm
- mixed data
- preprocessing
- data sets
- categorical data
- hierarchical clustering algorithms
- data sources
- probabilistic model
- clustering approaches
- data objects
- clustering quality
- nonnegative matrix factorization
- arbitrary shape