Nonnegative Matrix Factorization applied to reordered pixels of single images based on patches to achieve structured nonnegative dictionaries.
Richard M. CharlesKye M. TaylorJames H. CurryPublished in: CoRR (2015)
Keyphrases
- nonnegative matrix factorization
- input image
- image data
- image features
- sample images
- negative matrix factorization
- image classification
- least squares
- matrix factorisation
- nonnegative matrix
- matrix factorization
- test images
- data representation
- object recognition
- image retrieval
- natural images
- document clustering
- spectral clustering
- principal component analysis
- feature space
- matrix decomposition
- objective function
- similarity measure
- machine learning
- image patches
- co occurrence
- data matrix
- factor matrices