SVD-UDWT Difference Domain Statistical Image Watermarking Using Vector Alpha Skew Gaussian Distribution.
Panpan NiuFei WangXiangyang WangPublished in: Circuits Syst. Signal Process. (2024)
Keyphrases
- gaussian distribution
- image watermarking
- singular value decomposition
- maximum likelihood
- gaussian mixture model
- discrete wavelet transform
- watermarking algorithm
- jpeg compression
- image quality
- image segmentation
- multiscale
- least squares
- dimensionality reduction
- signal processing
- copyright protection
- digital watermarking