Random projections of residuals as an alternative to co-occurrences in steganalysis.
Vojtech HolubJessica J. FridrichTomás DenemarkPublished in: Media Watermarking, Security, and Forensics (2013)
Keyphrases
- co occurrence
- random projections
- dimension reduction
- dimensionality reduction
- compressive sensing
- random sampling
- wordnet
- least squares
- principal component analysis
- low dimensional
- image reconstruction
- hash functions
- named entities
- sparse representation
- original data
- topic models
- high dimensional
- linear discriminant analysis
- high dimensionality
- document clustering
- computer vision
- spatial domain
- pattern recognition