RST-invariant digital image watermarking based on log-polar mapping and phase correlation.
Dong ZhengJiying ZhaoAbdulmotaleb El-SaddikPublished in: IEEE Trans. Circuits Syst. Video Technol. (2003)
Keyphrases
- log polar
- fourier domain
- watermarking algorithm
- spatial domain
- space variant
- fourier transform
- template matching
- image registration
- wavelet domain
- input image
- image patches
- frequency domain
- feature detection
- affine transformation
- affine invariant
- motion estimation
- scale invariant
- additive noise
- ego motion
- high quality
- signal processing
- video sequences
- image pairs
- texture analysis
- natural images
- cross correlation
- markov random field
- multiresolution
- preprocessing
- computer vision