Geometric attacks resistant double zero-watermarking using discrete Fourier transform and fractional-order Exponent-Fourier moments.
Zhiqiu XiaChunpeng WangBin MaQi LiHao ZhangMingxu WangXingyuan WangPublished in: Digit. Signal Process. (2023)
Keyphrases
- geometric attacks
- discrete fourier transform
- fractional order
- image normalization
- fourier transform
- radon transform
- frequency domain
- polar coordinates
- digital image watermarking
- fourier descriptors
- moment invariants
- image watermarking
- watermarking algorithm
- watermarking scheme
- signal processing
- transfer function
- diffusion equation
- image reconstruction
- noisy images
- jpeg compression
- copyright protection
- zernike moments
- spatial domain
- spread spectrum
- subband
- feature extraction
- texture images
- discrete cosine transform
- filter bank
- computer vision
- feature space