JPEG Quantization Step Estimation and Its Applications to Digital Image Forensics.
Thanh Hai ThaiRémi CogranneFlorent RetraintThi-Ngoc-Canh DoanPublished in: IEEE Trans. Inf. Forensics Secur. (2017)
Keyphrases
- jpeg compression
- quantization step
- digital images
- forgery detection
- watermarking algorithm
- dct domain
- discrete wavelet transform
- jpeg images
- watermarking scheme
- dct coefficients
- step size
- additive noise
- image blocks
- gaussian noise
- digital imaging
- jpeg compressed images
- error diffusion
- peak signal to noise ratio
- post processing