Robustness against unauthorized watermark removal attacks via key-dependent wavelet packet subband structures.
Werner DietlAndreas UhlPublished in: ICME (2004)
Keyphrases
- wavelet packet
- subband
- watermark embedding
- wavelet domain
- watermarking algorithm
- filter bank
- watermarking scheme
- wavelet packet transform
- discrete wavelet transform
- wavelet transform
- watermarked image
- digital watermarking
- image compression
- wavelet coefficients
- wavelet packet decomposition
- bit rate
- multiresolution
- denoising
- high frequency
- wavelet decomposition
- image watermarking
- watermarking technique
- frequency domain
- low frequency
- feature vectors
- jpeg compression
- spatial domain
- shift invariant
- digital content
- spread spectrum
- digital images
- image coding
- frequency band
- image coder
- lifting scheme
- image normalization
- wavelet filters
- human visual system
- copyright protection
- quadtree
- data hiding
- rate distortion
- multiscale
- image processing