Use of the Normalized Gap of Maximum Singular Value of the Image Block to Evaluate the Capacity of the Steganographic Channel.
Ivan BobokAlla KobozievaNataliya KushnirenkoPublished in: ISecIT (2021)
Keyphrases
- singular values
- image blocks
- digital images
- dct domain
- transform domain
- singular value decomposition
- spatial domain
- discrete cosine transform
- binary images
- high capacity
- low rank
- spread spectrum
- test images
- cover image
- watermarked image
- image compression
- dct coefficients
- data hiding
- fundamental matrix
- similarity measure
- wavelet transform