Spectral unmixing using sparse and smooth nonnegative matrix factorization.
Changyuan WuChaomin ShenPublished in: Geoinformatics (2013)
Keyphrases
- nonnegative matrix factorization
- sparsity constraints
- negative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- data representation
- sparse representation
- least squares
- nonnegative matrix
- spectral clustering
- normalized cut
- principal component analysis
- original data
- document clustering
- blind source separation
- data matrix
- missing data
- bag of words
- information retrieval
- image classification
- signal processing
- dimensionality reduction
- text mining
- semi supervised
- knowledge discovery
- pairwise
- feature space
- support vector
- computer vision