Digital Images Authentication Technique Based on Multi-Blocks DCT and Singular Value Decomposition.
Eman I. Abd El-LatifAhmed TahaHala Helmy ZayedPublished in: NILES (2023)
Keyphrases
- singular value decomposition
- digital images
- image blocks
- dct coefficients
- singular values
- digital watermarking
- least squares
- dimensionality reduction
- dimension reduction
- discrete cosine transform
- low rank
- reconstruction error
- latent semantic indexing
- principal component analysis
- null space
- compressed domain
- transform domain
- image authentication
- jpeg compression
- watermarking technique
- singular vectors