Extended squared magic matrix for embedding secret information with large payload.
Xiaozhu XieYanjun LiuChin-Chen ChangPublished in: Multim. Tools Appl. (2019)
Keyphrases
- secret information
- information hiding
- data hiding
- cover image
- secret data
- watermarking technique
- hidden information
- least squares
- data embedding
- watermark embedding
- spatial domain
- singular value decomposition
- image authentication
- binary images
- discrete cosine transform
- jpeg images
- digital images
- high capacity
- spread spectrum
- error correction
- copyright protection
- singular values
- color images
- jpeg compression
- bitstream
- watermarking algorithm
- remote sensing images