A multiscale fragile watermark based on the Gaussian mixture model in the wavelet domain.
Hua YuanXiao-Ping (Steven) ZhangPublished in: ICASSP (3) (2004)
Keyphrases
- gaussian mixture model
- wavelet domain
- multiscale
- watermarking algorithm
- semi fragile watermarking
- image watermarking scheme
- watermark embedding
- wavelet coefficients
- spatial domain
- wavelet transform
- discrete wavelet transform
- mixture model
- feature vectors
- jpeg compression
- human visual system
- denoising
- wavelet decomposition
- image watermarking
- copyright protection
- watermarking technique
- scale space
- sar images
- expectation maximization
- digital watermarking
- em algorithm
- image denoising
- multiresolution
- watermarking scheme
- subband
- maximum likelihood
- image segmentation
- image representation
- natural images
- feature space
- high frequency
- edge detection
- hidden markov tree
- probability density function
- generalized gaussian
- image compression
- image processing
- feature selection