Multiple Jpeg Compression Detection Through Task-Driven Non-Negative Matrix Factorization.
Sara MandelliNicolò BonettiniPaolo BestaginiVincenzo LipariStefano TubaroPublished in: ICASSP (2018)
Keyphrases
- negative matrix factorization
- jpeg compression
- watermarking scheme
- matrix factorization
- dct coefficients
- sparse representation
- discrete wavelet transform
- gaussian noise
- peak signal to noise ratio
- digital images
- document clustering
- image quality
- spectral clustering
- pairwise
- low dimensional
- watermarking algorithm
- principal component analysis
- multiresolution