Wavelet Domain Scrambling for Image-Based Authentication.
Giaime GinesuDaniele D. GiustoTatiana OnaliPublished in: ICASSP (2) (2006)
Keyphrases
- wavelet domain
- spatial domain
- denoising
- wavelet coefficients
- discrete wavelet transform
- wavelet transform
- multiscale
- shift invariant
- multiresolution
- wavelet decomposition
- digital watermarking
- subband
- image denoising
- high frequency
- human visual system
- watermarking algorithm
- sar images
- user authentication
- computer vision
- wavelet domain hidden markov tree
- phase information
- texture image retrieval
- frequency domain
- authentication scheme
- complex wavelet transform
- image processing
- image watermarking scheme
- image compression