Protection of privacy in JPEG files using reversible information hiding.
Michiharu NiimiFuyuki MasutaniHideki NodaPublished in: ISPACS (2012)
Keyphrases
- information hiding
- jpeg images
- jpeg compression
- secret information
- data hiding
- discrete cosine transform
- dct coefficients
- image compression
- compression algorithm
- compressed images
- digital images
- image coding
- watermarking scheme
- data embedding
- spatial domain
- lossy compression
- compression ratio
- compressed domain
- watermarking algorithm
- low bit rate
- metadata
- discrete wavelet transform