Image watermarking based on matrix decomposition and gyrator transform in invariant integer wavelet domain.
Lina ZhangDeyun WeiPublished in: Signal Process. (2020)
Keyphrases
- wavelet domain
- image watermarking
- discrete wavelet transform
- watermarking algorithm
- wavelet coefficients
- spatial domain
- denoising
- jpeg compression
- wavelet transform
- geometric transformations
- multiscale
- human visual system
- multiresolution
- subband
- high frequency
- image denoising
- digital watermarking
- affine invariant
- copyright protection
- watermarking technique
- lossy compression
- geometric distortions
- high quality
- image processing