Frequency Domain Steganography with Reversible Texture Combination.
Thulasi BikkuRadhika PaturiPublished in: Traitement du Signal (2019)
Keyphrases
- frequency domain
- spatial domain
- fourier transform
- fourier domain
- feature extraction
- power spectrum
- cross correlation
- low frequency
- subband
- denoising
- filter bank
- spectrum analysis
- frequency analysis
- bandpass
- low pass
- power spectra
- phase correlation
- texture classification
- data hiding
- fourier analysis
- power spectral
- frequency spectrum
- texture features
- gray level
- jpeg images
- discrete fourier transform
- texture images
- signal processing
- image data
- secret message
- frequency domain analysis
- feature vectors
- high quality