A Novel Genetic Algorithm Based Data Embedding Technique in Frequency Domain Using Z Transform (ANGAFDZT).
J. K. MandalAmrita KhamruiS. ChakrabortyP. SurS. K. DattaI. RoyChoudhuryPublished in: ACITY (2) (2012)
Keyphrases
- frequency domain
- data embedding
- spatial domain
- data hiding
- fast fourier transform
- manifold learning
- compressed images
- feature extraction
- secret data
- low frequency
- denoising
- subband
- error concealment
- filter bank
- grayscale images
- error correction
- image processing
- transform domain
- error diffusion
- image coding
- watermarked image
- information hiding