Novel wavelet-based QIM data hiding technique for tamper detection and correction of digital images.
Amit PhadikarSanti P. MaityMrinal MandalPublished in: J. Vis. Commun. Image Represent. (2012)
Keyphrases
- data hiding
- tamper detection
- digital images
- error correction
- spatial domain
- quantization index modulation
- wavelet domain
- information hiding
- spread spectrum
- multiresolution
- wavelet transform
- watermarking technique
- image compression
- lossy compression
- transform domain
- data embedding
- black and white
- jpeg images
- image processing
- multiscale
- digital watermarking
- frequency domain
- computer simulation