An improved VLC-based lossless data hiding scheme for JPEG images.
Yongjian HuKan WangZhe-Ming LuPublished in: J. Syst. Softw. (2013)
Keyphrases
- jpeg images
- data hiding
- lossy compression
- data embedding
- dct domain
- compressed domain
- secret data
- spatial domain
- error correction
- compressed images
- information hiding
- lossless compression
- dct coefficients
- discrete cosine transform
- image compression
- bitstream
- compressed video
- compression algorithm
- jpeg compression
- multiscale
- watermarking technique
- frequency domain
- human visual system
- macroblock
- image quality
- low bit rate
- bit rate
- error concealment
- compression ratio