Anti-forensics of double JPEG compression with the same quantization matrix.
Haodong LiWeiqi LuoJiwu HuangPublished in: Multim. Tools Appl. (2015)
Keyphrases
- jpeg compression
- quantization step
- forgery detection
- digital images
- digital image watermarking scheme
- watermarking algorithm
- discrete wavelet transform
- image watermarking
- image authentication
- gaussian noise
- watermarking scheme
- watermark embedding
- jpeg images
- dct coefficients
- peak signal to noise ratio
- dct domain
- step size
- additive noise
- digital watermarking
- computational complexity
- image processing
- post processing
- image data