Non-negative matrix factorization for irregularly-spaced transforms.
Paris SmaragdisMinje KimPublished in: WASPAA (2013)
Keyphrases
- negative matrix factorization
- irregularly spaced
- matrix factorization
- nonnegative matrix factorization
- sparse representation
- principal component analysis
- document clustering
- point correspondences
- constrained least squares
- tensor factorization
- closed form
- multiscale
- computer vision
- data sets
- spectral clustering
- image processing
- co occurrence