Illumination estimation via nonnegative matrix factorization.
Lilong ShiBrian V. FuntWeihua XiongPublished in: J. Electronic Imaging (2012)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- matrix factorization
- negative matrix factorization
- nonnegative matrix
- data representation
- active set
- objective function
- least squares
- spectral clustering
- principal component analysis
- document clustering
- data sets
- single image
- original data
- sparse representation
- collaborative filtering
- moving objects
- image processing