Image watermarking based on the two dimensional fully fledged fractional discrete fourier transform of type IV.
Magdy Tawfik HannaPublished in: ISCCSP (2014)
Keyphrases
- image watermarking
- discrete fourier transform
- frequency domain
- fourier transform
- radon transform
- jpeg compression
- discrete wavelet transform
- geometric distortions
- image data
- copyright protection
- watermarking algorithm
- digital watermarking
- additive noise
- signal processing
- discrete cosine transform
- lossy compression
- image processing
- computationally efficient
- wavelet transform
- multiscale