Semantic Feature Extraction for Brain CT Image Clustering Using Nonnegative Matrix Factorization.
Weixiang LiuFei PengShu FengJiangsheng YouZiqiang ChenJian WuKehong YuanDatian YePublished in: ICMB (2008)
Keyphrases
- nonnegative matrix factorization
- ct images
- feature extraction
- nonnegative matrix
- probabilistic latent semantic indexing
- principal component analysis
- matrix factorization
- spectral clustering
- data representation
- medical images
- document clustering
- negative matrix factorization
- computed tomography
- least squares
- medical imaging
- feature vectors
- original data
- clustering algorithm
- face recognition
- feature space
- image processing
- feature set
- dimensionality reduction
- data clustering
- image analysis
- data points
- image features
- image representation
- pattern recognition