Watermarking Images in the Frequency Domain by Exploiting Self-inverting Permutations.
Maria ChroniAngelos FylakisStavros D. NikolopoulosPublished in: WEBIST (2013)
Keyphrases
- frequency domain
- cross correlation
- spatial domain
- fourier domain
- log polar
- power spectrum
- fourier transform
- power spectra
- fourier analysis
- directional filtering
- discrete fourier transform
- spectral domain
- phase correlation
- bandpass
- subband
- input image
- denoising
- image data
- low frequency
- feature extraction
- image matching
- fast fourier transform
- affine invariance
- multiresolution
- low pass
- feature selection
- edge detection
- image registration
- computational complexity
- multiscale
- spectrum analysis
- face recognition