A highly secure oblivious sparse coding-based watermarking system for ownership verification.
Afaf TareefAhmed Al-AniPublished in: Expert Syst. Appl. (2015)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- image classification
- discriminative power
- linear combination
- cryptographic protocols
- unsupervised learning
- generative model
- image representation
- group sparsity
- person re identification
- single image super resolution
- image patches
- sparse codes
- multiscale
- visual words
- higher order
- high dimensional
- feature space
- object category recognition
- data sets
- spatial information
- pattern recognition