Regularized nonnegative matrix factorization: Geometrical interpretation and application to spectral unmixing.
Rafal ZdunekPublished in: Int. J. Appl. Math. Comput. Sci. (2014)
Keyphrases
- nonnegative matrix factorization
- probabilistic latent semantic indexing
- least squares
- geometrical interpretation
- matrix factorization
- negative matrix factorization
- nonnegative matrix
- sparsity constraints
- data representation
- hyperspectral
- principal component analysis
- spectral clustering
- probabilistic model
- similarity measure
- information retrieval
- hyperspectral images
- image data
- objective function