Multi-resolution Steganalysis of JPEG Images Using the Contrast of DCT Coefficients.
Jiang YuChangqi ZhangYudong LiWen SiPublished in: FCS (2020)
Keyphrases
- jpeg images
- dct coefficients
- multiresolution
- discrete cosine transform
- dct domain
- jpeg compression
- transform domain
- filter bank
- information hiding
- compressed images
- compressed domain
- compression algorithm
- subband
- feature vectors
- wavelet transform
- wavelet domain
- macroblock
- low frequency
- wavelet coefficients
- high quality
- discrete wavelet transform
- computer vision
- quadtree
- spatial domain
- frequency domain
- lossy compression
- image compression