High performance reversible data hiding scheme through multilevel histogram modification in lifting integer wavelet transform.
S. SubburamS. SelvakumarS. GeethaPublished in: Multim. Tools Appl. (2018)
Keyphrases
- integer wavelet transform
- lifting scheme
- lossless compression
- stego image
- image coding
- reversible data hiding
- hash functions
- multiresolution
- wavelet transform
- discrete wavelet transform
- image authentication
- cover image
- secret data
- image compression
- data hiding
- filter bank
- lossy compression
- watermarking algorithm
- compression ratio
- wavelet packet
- signal processing
- jpeg compression
- secret key
- high dimensional
- high capacity
- binary images
- public key
- quadtree
- spatial domain