Piecewise constant nonnegative matrix factorization.
Nicolas SeichepineSlim EssidCédric FévotteOlivier CappéPublished in: ICASSP (2014)
Keyphrases
- nonnegative matrix factorization
- piecewise constant
- matrix factorization
- negative matrix factorization
- data representation
- least squares
- level set
- level set method
- curve evolution
- spectral clustering
- document clustering
- original data
- principal component analysis
- velocity field
- multiphase image segmentation
- data sets
- active contours
- pattern recognition
- image processing
- mean shift
- signal processing
- semi supervised
- pairwise