基于DCT域相关性的非对称JPEG隐写 (Asymmetric JPEG Steganography Based on Correlation in DCT Domain).
Binghua MaoZichi WangXinpeng ZhangPublished in: 计算机科学 (2019)
Keyphrases
- dct domain
- dct coefficients
- jpeg images
- discrete cosine transform
- compressed domain
- spatial domain
- compressed images
- transform domain
- post processing
- joint photographic experts group
- digital video
- image resizing
- human visual system
- quantization step
- quantization table
- jpeg compressed images
- image compression
- jpeg compression
- low frequency
- blocking artifacts
- file size
- motion vectors
- bit plane
- feature vectors
- discrete cosine transformation
- block dct
- frequency domain
- filter bank
- motion estimation
- block boundaries
- watermarking algorithm
- compression algorithm
- macroblock
- spread spectrum
- watermark detection
- compression standards
- image blocks
- reference frame
- inter frame