QIM data hiding for tamper detection and correction in digital images using wavelet transform.
Amit PhadikarSanti Prasad MaityMrinal MandalPublished in: CCECE (2010)
Keyphrases
- data hiding
- tamper detection
- digital images
- wavelet transform
- error correction
- multiresolution
- information hiding
- quantization index modulation
- image compression
- wavelet coefficients
- spatial domain
- spread spectrum
- wavelet domain
- subband
- multiscale
- high frequency
- watermarking technique
- lossy compression
- filter bank
- low frequency
- watermarking scheme
- copyright protection
- motion estimation