Image Authentication Technique in Frequency Domain based on Discrete Fourier Transformation (IATFDDFT)
Nabin GhoshalJ. K. MandalPublished in: CoRR (2012)
Keyphrases
- fourier transformation
- frequency domain
- image authentication
- fast fourier transform
- fourier transform
- discrete fourier transform
- spatial domain
- public key
- low frequency
- watermarking scheme
- digital watermarking
- jpeg compression
- subband
- authentication scheme
- fourier domain
- denoising
- feature extraction
- watermarking algorithm
- copyright protection
- spectral analysis
- image content
- floating point
- digital images
- multiscale
- filter bank
- signal processing
- watermarked image
- radon transform
- natural images
- image compression