Improved block ordering and frequency selection for reversible data hiding in JPEG images.
Junhui HeXinlu PanHao-Tian WuShaohua TangPublished in: Signal Process. (2020)
Keyphrases
- jpeg images
- data hiding
- reversible data hiding
- error correction
- dct coefficients
- spatial domain
- information hiding
- lossy compression
- compression algorithm
- compressed images
- discrete cosine transform
- jpeg compression
- visual quality
- selection algorithm
- low bit rate
- compressed domain
- watermarking algorithm
- transform domain
- low frequency
- signal processing