A Nonnegative Matrix Factorization Scheme for Digital Image Watermarking.
Mohammadreza GhaderpanahA. Ben HamzaPublished in: ICME (2006)
Keyphrases
- nonnegative matrix factorization
- digital image watermarking
- data representation
- matrix factorization
- negative matrix factorization
- least squares
- data sets
- spectral clustering
- principal component analysis
- watermarking technique
- objective function
- original data
- digital libraries
- pattern recognition
- similarity measure
- metadata
- information retrieval