Steganalysis for MP3Stego using differential statistics of quantization step.
Diqun YanRangding WangXianmin YuJie ZhuPublished in: Digit. Signal Process. (2013)
Keyphrases
- quantization step
- jpeg images
- jpeg compression
- dct domain
- data hiding
- information hiding
- dct coefficients
- spatial domain
- discrete cosine transform
- transform domain
- digital images
- compressed images
- hidden information
- step size
- watermarking algorithm
- compressed domain
- discrete wavelet transform
- additive noise
- digital video
- gaussian noise
- peak signal to noise ratio
- watermarking scheme
- low frequency
- wavelet domain
- human visual system
- differential evolution
- particle swarm optimization
- image quality