Reversible data hiding in JPEG document images based on zero coefficients embedding.
Xiaolin YinShaowu WuBing ChenKe WangWei LuPublished in: Signal Process. (2023)
Keyphrases
- document images
- reversible data hiding
- data hiding
- coding method
- pixel values
- lossy compression
- jpeg images
- high capacity
- image compression
- lossless compression
- wavelet coefficients
- error correction
- visual quality
- image coding
- coding scheme
- bit plane
- secret data
- compression ratio
- compressed images
- image quality
- compressed domain
- cover image
- prediction algorithm
- compression algorithm
- dct coefficients
- data embedding
- spread spectrum
- jpeg compression
- video coding
- image enhancement