A hybrid domain-based watermarking for vector maps utilizing a complementary advantage of discrete fourier transform and singular value decomposition.
Chengyi QuJinglong DuXu XiHuimin TianJie ZhangPublished in: Comput. Geosci. (2024)
Keyphrases
- singular value decomposition
- discrete fourier transform
- singular values
- dimensionality reduction
- least squares
- fourier transform
- principal component analysis
- frequency domain
- latent semantic indexing
- low rank
- feature vectors
- discrete cosine transform
- missing data
- vector space
- signal processing
- radon transform
- singular vectors