JPEG Steganalysis Using Empirical Transition Matrix in Block DCT Domain.
Dongdong FuYun Q. ShiDekun ZouGuorong XuanPublished in: MMSP (2006)
Keyphrases
- dct domain
- dct coefficients
- jpeg images
- transition matrix
- discrete cosine transform
- markov chain
- spatial domain
- jpeg compression
- transform domain
- image blocks
- compressed images
- compressed domain
- blocking artifacts
- image compression
- bit plane
- quantization step
- file size
- low frequency
- jpeg compressed images
- digital video
- frequency domain
- feature vectors
- filter bank
- post processing
- block boundaries
- human visual system
- directed graph
- markov decision process
- image resizing
- preprocessing
- wavelet domain
- compression ratio
- high frequency
- motion vectors
- state space
- block dct