Universal JPEG steganalysis based on special frequency regions from wavelet transform.
Leila OmraniKarim FaezPublished in: IST (2012)
Keyphrases
- wavelet transform
- image compression
- image coding
- jpeg images
- low frequency
- bit plane
- discrete cosine transform
- wavelet coefficients
- high frequency
- multiresolution
- subband
- multiscale
- compression algorithm
- wavelet domain
- discrete wavelet transform
- dct coefficients
- compressed images
- jpeg compression
- compression ratio
- feature extraction
- spatial domain
- transform coding
- region of interest
- multiresolution analysis
- wavelet analysis
- lossy compression
- input image
- compression scheme
- coding method
- reconstructed image
- image regions
- filter bank
- image transmission
- digital images
- image coder
- lifting scheme