Hybrid technique for robust image watermarking using discrete time fourier transform.
Omar AbodenaMary AgoyiErbug ÇelebiPublished in: SIU (2017)
Keyphrases
- fourier transform
- robust image watermarking
- frequency domain
- signal processing
- fourier domain
- fast fourier transform
- radon transform
- log polar
- fourier descriptors
- discrete fourier transform
- fourier analysis
- frequency spectrum
- power spectral density
- fourier coefficients
- image processing
- denoising
- multiscale
- spatial domain
- shape analysis
- neural network
- phase difference
- spectral estimation