Zero Watermarking Scheme Based on U and V Matrices of Quaternion Singular Value Decomposition for Color Images.
Feng LiuLonghua MaCong LiuZhe-Ming LuPublished in: J. Inf. Hiding Multim. Signal Process. (2018)
Keyphrases
- singular value decomposition
- watermarking scheme
- color images
- singular values
- gray scale
- low rank
- least squares
- jpeg compression
- dimensionality reduction
- error correction
- watermarking algorithm
- fourier transform
- image processing
- data matrix
- measurement matrix
- latent semantic indexing
- correlation matrix
- principal component analysis
- multiresolution
- low rank approximation
- support vector
- video sequences