Improving Security of Watermarking Algorithms via Parametric M-band Wavelet Transform.
T. HemalathaK. SukumarK. P. SomanPublished in: ARTCom (2009)
Keyphrases
- wavelet transform
- watermarking algorithm
- wavelet domain
- multiresolution
- wavelet coefficients
- subband
- jpeg compression
- multiscale
- image compression
- high frequency
- wavelet decomposition
- signal processing
- watermarking scheme
- copyright protection
- low frequency
- discrete wavelet transform
- image watermarking
- digital image watermarking
- digital watermarking
- feature extraction
- geometric distortions
- frequency band
- spatial domain
- computer vision
- geometric attacks