Projective Nonnegative Matrix Factorization for Image Compression and Feature Extraction.
Zhijian YuanErkki OjaPublished in: SCIA (2005)
Keyphrases
- nonnegative matrix factorization
- image compression
- feature extraction
- wavelet transform
- principal component analysis
- image processing
- probabilistic latent semantic indexing
- negative matrix factorization
- matrix factorization
- data representation
- dimensionality reduction
- least squares
- nonnegative matrix
- active set
- feature vectors
- spectral clustering
- pattern recognition
- image classification
- feature space
- feature selection
- document clustering
- multiscale
- multiresolution
- face recognition
- collaborative filtering
- objective function
- sparsity constraints
- information extraction