High-performance JPEG steganography using quantization index modulation in DCT domain.
Hideki NodaMichiharu NiimiEiji KawaguchiPublished in: Pattern Recognit. Lett. (2006)
Keyphrases
- dct domain
- data hiding
- spatial domain
- jpeg images
- dct coefficients
- transform domain
- frequency domain
- information hiding
- quantization step
- compressed images
- compressed domain
- discrete cosine transform
- spread spectrum
- jpeg compression
- wavelet domain
- data embedding
- post processing
- motion estimation
- human visual system
- additive noise
- error correction
- cover image
- lossy compression
- image compression
- digital video
- watermark detection
- watermarking technique
- filter bank
- reference frame
- low frequency
- image blocks
- copyright protection
- optical flow