A Semi-fragile Image Watermarking using Wavelet Inter Coefficient Relations.
Latha ParameswaranK. AnbumaniPublished in: Int. J. Inf. Secur. Priv. (2007)
Keyphrases
- image watermarking
- jpeg compression
- watermarking algorithm
- wavelet domain
- discrete wavelet transform
- wavelet coefficients
- digital watermarking
- spread spectrum
- watermarking scheme
- copyright protection
- watermarking technique
- wavelet transform
- multiscale
- denoising
- digital images
- geometric distortions
- multiresolution
- lossy compression
- signal processing
- gaussian noise
- watermarked image
- additive noise
- watermarking method
- watermark detection
- metadata
- speech signal
- noisy images
- image denoising
- high frequency
- subband
- high quality