B-Spline Smoothing of Feature Vectors in Nonnegative Matrix Factorization.
Rafal ZdunekAndrzej CichockiTatsuya YokotaPublished in: ICAISC (2) (2014)
Keyphrases
- nonnegative matrix factorization
- b spline
- feature vectors
- least squares
- curve fitting
- control points
- matrix factorization
- data representation
- feature extraction
- negative matrix factorization
- feature space
- tensor product
- basis functions
- support vector machine
- principal component analysis
- face images
- affine transformation
- euclidean distance
- spectral clustering
- similarity measure
- document clustering
- original data
- feature set
- image features
- objective function
- multiscale
- surface fitting
- cubic b spline
- data sets
- image data
- k means
- recommender systems
- cubic spline